{"title":"Kansai Special Screws, Nuts \u0026 Washers","description":"\u003cp\u003eKansai Special screws, bolts, nuts, washers and rings. Order by the Kansai Special part number.\u003c\/p\u003e\n\u003cp\u003eMore \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e, or \u003ca href=\"\/collections\/spare-parts\"\u003espare parts from all makers\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"kansai-special-05-0530-0-nut","title":"Kansai Special 05-0530-0 Nut","description":"\u003ch2\u003eKansai Special 05-0530-0 Nut\u003c\/h2\u003e\n\u003cp\u003ePart 05-0530-0 in the Kansai Special parts list is a nut. It is one of the parts that keep a screw, shaft or pin tight, in line and in place. The same part number is used across many Kansai Special machine families, for example NR, RX and NRE.\u003c\/p\u003e\n\u003cp\u003eThese parts are easy to lose when an assembly is opened, and rings and clips can spring away or be bent open on removal. A part that goes missing is usually noticed only when a setting starts to move.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e05-0530-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Nut\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 05-053\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NR, RX, NRE, NC, NM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThreads are damaged, or the washer or ring is bent or worn thin\u003c\/li\u003e\n\u003cli\u003eThe nut or ring no longer grips and a setting keeps moving\u003c\/li\u003e\n\u003cli\u003eAn earlier repair left a washer or spacer of the wrong thickness\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSwitch the machine off and unplug it before you open the assembly. Clean the seat and the thread first, then fit the part square and snug.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size, thickness and outer diameter matter, so match the part number. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-0540-0-screw\"\u003eKansai Special 05-0540-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3760-0-leaf-spring-upper\"\u003eKansai Special 05-3760-0 Leaf Spring (Upper)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3770-0-leaf-spring-lower\"\u003eKansai Special 05-3770-0 Leaf Spring (Lower)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3930-0-plate\"\u003eKansai Special 05-3930-0 Plate\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105711423653,"sku":"KAN-05-053","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-05-0540-0-screw","title":"Kansai Special 05-0540-0 Screw","description":"\u003ch2\u003eKansai Special 05-0540-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special 05-0540-0 is a screw, an adjusting, mounting or stop fastener, made to a fixed thread and length. Kansai Special lists this part in the books of many machine families, among them NR, RX and NRE.\u003c\/p\u003e\n\u003cp\u003eSmall screws are among the parts that get lost or stripped during service. The right thread, length and head clamp a part properly without harming the casting.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e05-0540-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 05-054\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NR, RX, NRE, NC, NM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-0530-0-nut\"\u003eKansai Special 05-0530-0 Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3760-0-leaf-spring-upper\"\u003eKansai Special 05-3760-0 Leaf Spring (Upper)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3770-0-leaf-spring-lower\"\u003eKansai Special 05-3770-0 Leaf Spring (Lower)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3930-0-plate\"\u003eKansai Special 05-3930-0 Plate\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105711849637,"sku":"KAN-05-054","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-09-5220-0-screw","title":"Kansai Special 09-5220-0 Screw","description":"\u003ch2\u003eKansai Special 09-5220-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 09-5220-0: Screw. This is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. The same part number is used across many Kansai Special machine families, for example FX, NR and RX.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e09-5220-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 09-522\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, NR, RX, NRE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eHead shape counts as much as the thread. A flat head sits flush in a countersunk seat, while a round head stands above the surface and can touch a moving part. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-09-5210-0-bracket\"\u003eKansai Special 09-5210-0 Bracket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-09-5230-0-shaft\"\u003eKansai Special 09-5230-0 Shaft\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-09-5240-0-rear-roller\"\u003eKansai Special 09-5240-0 Rear Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-09-5530-0-handle\"\u003eKansai Special 09-5530-0 Handle\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105712341157,"sku":"KAN-09-5220-0","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-25-5030-0-screw","title":"Kansai Special 25-5030-0 Screw","description":"\u003ch2\u003eKansai Special 25-5030-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 25-5030-0: Screw. This is fastening hardware that is identified by its thread, its length and its head shape. The same part number is used across many Kansai Special machine families, for example NW\/NL, NR and WX\/MMX.\u003c\/p\u003e\n\u003cp\u003eA machine screw holds a part in its place or locks an adjustment. Sewing machine threads and head shapes are not always standard, and a screw that almost fits can strip the hole it goes into.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e25-5030-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 25-503\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, WX\/MMX and 7 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size and length are fixed for each part number, so match the number rather than the look. Compare the part with your old one or with your machine's parts list, because one number can serve several related models.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105714962597,"sku":"KAN-25-503","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-75-5080-0-washer","title":"Kansai Special 75-5080-0 Washer","description":"\u003ch2\u003eKansai Special 75-5080-0 Washer\u003c\/h2\u003e\n\u003cp\u003eKansai Special 75-5080-0 is a washer, one of the parts that keep a screw, shaft or pin tight, in line and in place. Kansai Special lists this part in the books of many machine families, among them DFB, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eThese small parts lock, space or retain other parts. A missing or worn one lets a screw loosen or a shaft move along its axis.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e75-5080-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Washer\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 75-508\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eSize in the supplier's name: diameter 14.5 x 4.2 x 2 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: DFB, NW\/NL, NR and 9 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eShape matters as well as size. A flat washer, a dished washer and a toothed lock washer hold in different ways, and a cap nut covers a thread end that a plain nut leaves open.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA bright wear track on the face where a moving part rubs\u003c\/li\u003e\n\u003cli\u003eOn a ring or clip, lost spring tension, so it slides along the shaft\u003c\/li\u003e\n\u003cli\u003eThe part was lost or distorted during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTighten the nut only as far as it holds the setting, then recheck the adjustment it locks.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-5010-0-washer\"\u003eKansai Special 75-5010-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-5520-0-washer\"\u003eKansai Special 75-5520-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-2470-0-roller\"\u003eKansai Special 75-2470-0 Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the sequence of washers and spacers matter?\u003c\/strong\u003e\u003cbr\u003eEach washer and spacer sets a distance or spreads a load at its own position. In a different sequence or number they shift the neighboring parts and change clearances or timing.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105716797605,"sku":"KAN-75-508","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-84-3620-0-screw-sm-9-64-pitch-40-l-7-mm","title":"Kansai Special 84-3620-0 Screw SM 9\/64, pitch 40, L=7 mm","description":"\u003ch2\u003eKansai Special 84-3620-0 Screw SM 9\/64, pitch 40, L=7 mm\u003c\/h2\u003e\n\u003cp\u003eScrew, Kansai Special part number 84-3620-0. This is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. Kansai Special lists this part in the books of many machine families, among them NW\/NL, NR and RX.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-3620-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-362\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 9\/64, pitch 40\u003c\/li\u003e\n\u003cli\u003eLength (L): 7 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, RX and 12 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf several screws hold one part, start them all by hand and then tighten them a little at a time in turn, so the part is not pulled out of line.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size and length are fixed for each part number, so match the number rather than the look.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3790-0-screw-sm-9-64-pitch-40-l-5-mm\"\u003eKansai Special 84-3790-0 Screw SM 9\/64, pitch 40, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3140-0-screw-sm-9-64-pitch-40-l-4-mm\"\u003eKansai Special 84-3140-0 Screw SM 9\/64, pitch 40, L=4 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105716895909,"sku":"KAN-84-362","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-60-3465-0-spacer-set","title":"Kansai Special 60-3465-0 Spacer Set","description":"\u003ch2\u003eKansai Special 60-3465-0 Spacer Set\u003c\/h2\u003e\n\u003cp\u003eKansai Special 60-3465-0 is a spacer set, hardware that sits on a shaft or screw to hold, space or lock the parts next to it. Kansai Special shows it in the parts books for DFB, NB and PX.\u003c\/p\u003e\n\u003cp\u003eEvery nut and clip in a sewing machine works under vibration. A nut that has lost its grip lets the screw or stud behind it turn, and a clip that has lost its spring lets a shaft slide.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e60-3465-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Spacer Set\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: DFB, NB, PX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKansai Special machines with a page on our site, from the same parts books: \u003ca href=\"\/products\/kansai-special-dfb1404p-flat-bed-12-needle-shirring-stitch-machine-with-table-servo-motor\"\u003eKansai Special DFB-1404P\u003c\/a\u003e, \u003ca href=\"\/products\/kansai-special-dfb1404pmd-flat-bed-4-needle-flat-bed-chain-stitch-machine-with-table-servo-motor\"\u003eKansai Special DFB-1404PMD\u003c\/a\u003e, \u003ca href=\"\/products\/kansai-special-dfb1412pq-1-4\"\u003eKansai Special DFB-1412PQ\u003c\/a\u003e and \u003ca href=\"\/products\/kansai-special-px-302-4w-2-needle-double-chainstitch-sewing-machine\"\u003eKansai Special PX-302-4W\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOn a ring or clip, lost spring tension, so it slides along the shaft\u003c\/li\u003e\n\u003cli\u003eThe part was lost or distorted during service\u003c\/li\u003e\n\u003cli\u003eThreads are damaged, or the washer or ring is bent or worn thin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSwitch the machine off and unplug it before you open the assembly. Clean the seat and the thread first, then fit the part square and snug.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eShape matters as well as size. A flat washer, a dished washer and a toothed lock washer hold in different ways, and a cap nut covers a thread end that a plain nut leaves open. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-19-4050-0-needle-guide\"\u003eKansai Special 19-4050-0 Needle Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-19-4370-0-retainer-looper-for-dfb\"\u003eKansai Special 19-4370-0 Retainer Looper for DFB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-45-4320-0-thread-eyelet\"\u003eKansai Special 45-4320-0 Thread Eyelet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-15-4960-0-dfb-1412p-feed-dog-1-4-in\"\u003eKansai Special 15-4960-0 DFB-1412P Feed Dog 1\/4 in\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717026981,"sku":"KAN-60-3465","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-75-4510-0-washer","title":"Kansai Special 75-4510-0 Washer","description":"\u003ch2\u003eKansai Special 75-4510-0 Washer\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 75-4510-0: Washer. This is a small part that has to match its shaft or screw in size and thickness. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA nut locks a threaded part, a washer spreads the clamping load and protects the surface, a ring or clip stops a shaft from sliding, and a spacer sets a distance. Each one works only at the right size and in the right place.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e75-4510-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Washer\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 75-451\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eSize mark in the supplier's name: 8\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 19 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOn a ring or clip, lost spring tension, so it slides along the shaft\u003c\/li\u003e\n\u003cli\u003eSideways play in a shaft or lever that should be firm\u003c\/li\u003e\n\u003cli\u003eCracks, chips or a broken edge on the part\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTighten the nut only as far as it holds the setting, then recheck the adjustment it locks.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThickness is part of the adjustment. A part that is too thick pushes its neighbor out of line or leaves too few threads engaged, and one that is too thin leaves play. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-4550-0-washer-4-5-x-10-x-0-8-mm\"\u003eKansai Special 75-4550-0 Washer 4.5 x 10 x 0.8 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-4070-0-washer\"\u003eKansai Special 75-4070-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-2470-0-roller\"\u003eKansai Special 75-2470-0 Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the sequence of washers and spacers matter?\u003c\/strong\u003e\u003cbr\u003eEach washer and spacer sets a distance or spreads a load at its own position. In a different sequence or number they shift the neighboring parts and change clearances or timing.\u003c\/p\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717321893,"sku":"KAN-75-4510-0","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-75-5010-0-washer","title":"Kansai Special 75-5010-0 Washer","description":"\u003ch2\u003eKansai Special 75-5010-0 Washer\u003c\/h2\u003e\n\u003cp\u003eWasher, Kansai Special part number 75-5010-0. This is ring-shaped or threaded hardware that takes up load, fills a gap or locks a thread. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NR.\u003c\/p\u003e\n\u003cp\u003eWashers and spacers work as a stack with the parts beside them. A small change in thickness moves a gear or a lever sideways and changes the clearance next to it, so the number and sequence of the pieces matter.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e75-5010-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Washer\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 75-501\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eSize in the supplier's name: diameter 19 x 8.2 x 1.5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NR and 8 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn earlier repair left a washer or spacer of the wrong thickness\u003c\/li\u003e\n\u003cli\u003eThe nut or ring no longer grips and a setting keeps moving\u003c\/li\u003e\n\u003cli\u003eOn a nut, rounded corners that let the wrench slip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOpen a ring or clip only as far as needed to pass over the shaft, and wear eye protection because it can spring away. A ring that is opened too far will not grip again.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThickness is part of the adjustment. A part that is too thick pushes its neighbor out of line or leaves too few threads engaged, and one that is too thin leaves play. Compare the part with your old one or with your machine's parts list, because one number can serve several related models.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-5080-0-washer\"\u003eKansai Special 75-5080-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-4550-0-washer-4-5-x-10-x-0-8-mm\"\u003eKansai Special 75-4550-0 Washer 4.5 x 10 x 0.8 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-2470-0-roller\"\u003eKansai Special 75-2470-0 Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717387429,"sku":"KAN-75-5010-0","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-75-4070-0-washer","title":"Kansai Special 75-4070-0 Washer","description":"\u003ch2\u003eKansai Special 75-4070-0 Washer\u003c\/h2\u003e\n\u003cp\u003eKansai Special 75-4070-0 is a washer, one of the parts that keep a screw, shaft or pin tight, in line and in place. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA nut locks a threaded part, a washer spreads the clamping load and protects the surface, a ring or clip stops a shaft from sliding, and a spacer sets a distance. Each one works only at the right size and in the right place.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e75-4070-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Washer\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 75-407\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 12 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eFor a ring, check the groove width and the thickness as well as the shaft diameter. A ring that is too loose can come off, and one that is too tight will not seat.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOn a nut, rounded corners that let the wrench slip\u003c\/li\u003e\n\u003cli\u003eThe part was lost or distorted during service\u003c\/li\u003e\n\u003cli\u003eThe nut or ring no longer grips and a setting keeps moving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOpen a ring or clip only as far as needed to pass over the shaft, and wear eye protection because it can spring away. A ring that is opened too far will not grip again.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-4510-0-washer\"\u003eKansai Special 75-4510-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-4550-0-washer-4-5-x-10-x-0-8-mm\"\u003eKansai Special 75-4550-0 Washer 4.5 x 10 x 0.8 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-2470-0-roller\"\u003eKansai Special 75-2470-0 Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717420197,"sku":"KAN-75-407","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-87-0750-0-screw-m2-x-0-4","title":"Kansai Special 87-0750-0 Screw M2 x 0.4","description":"\u003ch2\u003eKansai Special 87-0750-0 Screw M2 x 0.4\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-0750-0 is a screw, one of the threaded fasteners that clamp a part, fix its position or limit its travel. The same part number is used across many Kansai Special machine families, for example NW\/NL, NR and RX.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-0750-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-075\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M2 x 0.4\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, RX, WX\/MMX, NRE, NFS and 1 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0910-0-screw\"\u003eKansai Special 87-0910-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0920-0-bolt\"\u003eKansai Special 87-0920-0 Bolt\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717452965,"sku":"KAN-87-075","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1420-0-screw-m3-x-0-5-l-4-mm","title":"Kansai Special 87-1420-0 Screw M3 x 0.5, L=4 mm","description":"\u003ch2\u003eKansai Special 87-1420-0 Screw M3 x 0.5, L=4 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-1420-0 is a screw, an adjusting, mounting or stop fastener, made to a fixed thread and length. Kansai Special lists this part in the books of many machine families, among them FX, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eSmall screws are among the parts that get lost or stripped during service. The right thread, length and head clamp a part properly without harming the casting.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1420-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-142\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M3 x 0.5\u003c\/li\u003e\n\u003cli\u003eLength (L): 4 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, NW\/NL, NR and 12 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eScrews that look alike can differ in thread pitch, length or head. Compare the thread and length in the details above with the screw you are replacing.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1170-0-bolt-m3-x-0-5-l-12-mm\"\u003eKansai Special 87-1170-0 Bolt M3 x 0.5, L=12 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1130-0-screw-m4-x-0-7-l-10-mm\"\u003eKansai Special 87-1130-0 Screw M4 x 0.7, L=10 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717485733,"sku":"KAN-87-142","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-75-4550-0-washer-4-5-x-10-x-0-8-mm","title":"Kansai Special 75-4550-0 Washer 4.5 x 10 x 0.8 mm","description":"\u003ch2\u003eKansai Special 75-4550-0 Washer 4.5 x 10 x 0.8 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special 75-4550-0 is a washer, hardware that sits on a shaft or screw to hold, space or lock the parts next to it. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eNuts, washers, rings and spacers keep adjustments from moving and hold shafts and pins in place. When they wear or deform they stop holding, which shows up as play, noise or a setting that will not stay.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e75-4550-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Washer\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 75-455\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eInner diameter: 4.5 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 10 mm\u003c\/li\u003e\n\u003cli\u003eThickness: 0.8 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 22 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSideways play in a shaft or lever that should be firm\u003c\/li\u003e\n\u003cli\u003eA bright wear track on the face where a moving part rubs\u003c\/li\u003e\n\u003cli\u003eThe nut or ring no longer grips and a setting keeps moving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMake sure a washer sits flat against its seat and a nut or ring is fully seated before you run the machine. Turn the handwheel by hand once to check that nothing binds.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eSizes on sewing machines are often non-standard, so compare the dimensions in the details above with the old part. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-4510-0-washer\"\u003eKansai Special 75-4510-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-5010-0-washer\"\u003eKansai Special 75-5010-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-2470-0-roller\"\u003eKansai Special 75-2470-0 Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717518501,"sku":"KAN-75-455","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-87-2850-0-bolt-m4-x-0-7-l-25-mm","title":"Kansai Special 87-2850-0 Bolt M4 x 0.7, L=25 mm","description":"\u003ch2\u003eKansai Special 87-2850-0 Bolt M4 x 0.7, L=25 mm\u003c\/h2\u003e\n\u003cp\u003ePart 87-2850-0 in the Kansai Special parts list is a bolt. It is one of the threaded fasteners that clamp a part, fix its position or limit its travel. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA machine screw holds a part in its place or locks an adjustment. Sewing machine threads and head shapes are not always standard, and a screw that almost fits can strip the hole it goes into.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-2850-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-285\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M4 x 0.7\u003c\/li\u003e\n\u003cli\u003eLength (L): 25 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 14 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eHead shape counts as much as the thread. A flat head sits flush in a countersunk seat, while a round head stands above the surface and can touch a moving part. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-2810-0-bolt-m8-x-1-25-l-55-mm\"\u003eKansai Special 87-2810-0 Bolt M8 x 1.25, L=55 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-2890-0-screw\"\u003eKansai Special 87-2890-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717551269,"sku":"KAN-87-285","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-75-5520-0-washer","title":"Kansai Special 75-5520-0 Washer","description":"\u003ch2\u003eKansai Special 75-5520-0 Washer\u003c\/h2\u003e\n\u003cp\u003ePart 75-5520-0 in the Kansai Special parts list is a washer. It is a small fastening part that locks, spaces or retains another part. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eEvery nut and clip in a sewing machine works under vibration. A nut that has lost its grip lets the screw or stud behind it turn, and a clip that has lost its spring lets a shaft slide.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e75-5520-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Washer\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 75-552\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 19 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size, thickness and outer diameter matter, so match the part number. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOn a nut, rounded corners that let the wrench slip\u003c\/li\u003e\n\u003cli\u003eThreads are damaged, or the washer or ring is bent or worn thin\u003c\/li\u003e\n\u003cli\u003eThe part was lost or distorted during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOpen a ring or clip only as far as needed to pass over the shaft, and wear eye protection because it can spring away. A ring that is opened too far will not grip again.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-5080-0-washer\"\u003eKansai Special 75-5080-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-5010-0-washer\"\u003eKansai Special 75-5010-0 Washer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-75-2470-0-roller\"\u003eKansai Special 75-2470-0 Roller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105717682341,"sku":"KAN-75-552","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-84-1620-0-screw-sm-1-8-pitch-44-l-5-5-mm","title":"Kansai Special 84-1620-0 Screw SM 1\/8, pitch 44, L=5.5 mm","description":"\u003ch2\u003eKansai Special 84-1620-0 Screw SM 1\/8, pitch 44, L=5.5 mm\u003c\/h2\u003e\n\u003cp\u003eScrew, Kansai Special part number 84-1620-0. This is one of the threaded fasteners that clamp a part, fix its position or limit its travel. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-1620-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-162\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 1\/8, pitch 44\u003c\/li\u003e\n\u003cli\u003eLength (L): 5.5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 18 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-1670-0-screw-sm-1-8-pitch-44-l-3-5-mm\"\u003eKansai Special 84-1670-0 Screw SM 1\/8, pitch 44, L=3.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-1530-0-screw\"\u003eKansai Special 84-1530-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719091365,"sku":"KAN-84-162","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-84-7620-0-screw-sm-7-32-pitch-32-l-10-mm","title":"Kansai Special 84-7620-0 Screw SM 7\/32, pitch 32, L=10 mm","description":"\u003ch2\u003eKansai Special 84-7620-0 Screw SM 7\/32, pitch 32, L=10 mm\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 84-7620-0 is listed as a screw. It is fastening hardware that is identified by its thread, its length and its head shape. Kansai Special lists this part in the books of many machine families, among them NFS, FSX and DVK\/BK.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-7620-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-762\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 7\/32, pitch 32\u003c\/li\u003e\n\u003cli\u003eLength (L): 10 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NFS, FSX, DVK\/BK, SX, VW, PX and 1 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-5710-0-screw-sm-11-64-pitch-40-l-8-5-mm\"\u003eKansai Special 84-5710-0 Screw SM 11\/64, pitch 40, L=8.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3790-0-screw-sm-9-64-pitch-40-l-5-mm\"\u003eKansai Special 84-3790-0 Screw SM 9\/64, pitch 40, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719189669,"sku":"KAN-84-762","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-84-1530-0-screw","title":"Kansai Special 84-1530-0 Screw","description":"\u003ch2\u003eKansai Special 84-1530-0 Screw\u003c\/h2\u003e\n\u003cp\u003eScrew, Kansai Special part number 84-1530-0. This is an adjusting, mounting or stop fastener, made to a fixed thread and length. The Kansai Special parts books for NFS list this part.\u003c\/p\u003e\n\u003cp\u003eThe thread in the hole wears together with the screw. A sound screw in a clean hole keeps the joint tight, while a damaged screw drags burrs through the thread and the next screw may not hold either.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-1530-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-153\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NFS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrom these parts books, our site has pages for these Kansai Special machines: \u003ca href=\"\/products\/kansai-special-nfs6604g-lm-dd\"\u003eKansai Special NFS-6604GFMH-H-DD\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-07-6340-0-lower-knife\"\u003eKansai Special 07-6340-0 Lower Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-07-6310-0-upper-knife\"\u003eKansai Special 07-6310-0 Upper Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-19-6270-0-needle-guide\"\u003eKansai Special 19-6270-0 Needle Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-27-6450-0-cover\"\u003eKansai Special 27-6450-0 Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719222437,"sku":"KAN-84-153","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-84-3140-0-screw-sm-9-64-pitch-40-l-4-mm","title":"Kansai Special 84-3140-0 Screw SM 9\/64, pitch 40, L=4 mm","description":"\u003ch2\u003eKansai Special 84-3140-0 Screw SM 9\/64, pitch 40, L=4 mm\u003c\/h2\u003e\n\u003cp\u003eScrew, Kansai Special part number 84-3140-0. This is one of the threaded fasteners that clamp a part, fix its position or limit its travel. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-3140-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-314\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 9\/64, pitch 40\u003c\/li\u003e\n\u003cli\u003eLength (L): 4 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 13 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStart the screw by hand: if it binds in the first turns, stop and check the thread and the hole before tightening.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3620-0-screw-sm-9-64-pitch-40-l-7-mm\"\u003eKansai Special 84-3620-0 Screw SM 9\/64, pitch 40, L=7 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3790-0-screw-sm-9-64-pitch-40-l-5-mm\"\u003eKansai Special 84-3790-0 Screw SM 9\/64, pitch 40, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old screw?\u003c\/strong\u003e\u003cbr\u003eOnly if the head, the thread and the shank are undamaged and the screw is straight. A rounded head or a worn thread will not clamp properly and can strip the hole, so replace it.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719255205,"sku":"KAN-84-314","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-84-1670-0-screw-sm-1-8-pitch-44-l-3-5-mm","title":"Kansai Special 84-1670-0 Screw SM 1\/8, pitch 44, L=3.5 mm","description":"\u003ch2\u003eKansai Special 84-1670-0 Screw SM 1\/8, pitch 44, L=3.5 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 84-1670-0: Screw. This is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. Kansai Special lists this part in the books of many machine families, among them NW\/NL, NR and RX.\u003c\/p\u003e\n\u003cp\u003eScrews on a sewing machine work in vibration, oil and constant service. Heads get stripped and threads wear, and one wrong screw can damage a casting or the part it holds, so the part number matters.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-1670-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-167\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 1\/8, pitch 44\u003c\/li\u003e\n\u003cli\u003eLength (L): 3.5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, RX and 12 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size and length are fixed for each part number, so match the number rather than the look. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-1620-0-screw-sm-1-8-pitch-44-l-5-5-mm\"\u003eKansai Special 84-1620-0 Screw SM 1\/8, pitch 44, L=5.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-1530-0-screw\"\u003eKansai Special 84-1530-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719287973,"sku":"KAN-84-167","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-84-5710-0-screw-sm-11-64-pitch-40-l-8-5-mm","title":"Kansai Special 84-5710-0 Screw SM 11\/64, pitch 40, L=8.5 mm","description":"\u003ch2\u003eKansai Special 84-5710-0 Screw SM 11\/64, pitch 40, L=8.5 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 84-5710-0: Screw. This is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-5710-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-571\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 11\/64, pitch 40\u003c\/li\u003e\n\u003cli\u003eLength (L): 8.5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 17 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eHead shape counts as much as the thread. A flat head sits flush in a countersunk seat, while a round head stands above the surface and can touch a moving part.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-7620-0-screw-sm-7-32-pitch-32-l-10-mm\"\u003eKansai Special 84-7620-0 Screw SM 7\/32, pitch 32, L=10 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3790-0-screw-sm-9-64-pitch-40-l-5-mm\"\u003eKansai Special 84-3790-0 Screw SM 9\/64, pitch 40, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719320741,"sku":"KAN-84-571","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-88-1460-0-nut-m4-x-0-7","title":"Kansai Special 88-1460-0 Nut M4 x 0.7","description":"\u003ch2\u003eKansai Special 88-1460-0 Nut M4 x 0.7\u003c\/h2\u003e\n\u003cp\u003ePart 88-1460-0 in the Kansai Special parts list is a nut. It is one of the parts that keep a screw, shaft or pin tight, in line and in place. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eWashers and spacers work as a stack with the parts beside them. A small change in thickness moves a gear or a lever sideways and changes the clearance next to it, so the number and sequence of the pieces matter.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e88-1460-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Nut\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 88-146\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M4 x 0.7\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 22 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eEach kind is sized differently: a nut by thread size, pitch and height, a washer or spacer by inner diameter, outer diameter and thickness, and a ring by shaft diameter and groove width.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCracks, chips or a broken edge on the part\u003c\/li\u003e\n\u003cli\u003eSideways play in a shaft or lever that should be firm\u003c\/li\u003e\n\u003cli\u003eThreads are damaged, or the washer or ring is bent or worn thin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall it in the same position and order as the one you remove, and do not reuse a ring that has been bent open.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-88-1570-0-nut\"\u003eKansai Special 88-1570-0 Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-88-1760-0-nut-m8-x-1-25\"\u003eKansai Special 88-1760-0 Nut M8 x 1.25\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719353509,"sku":"KAN-88-146","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-87-0970-0-screw","title":"Kansai Special 87-0970-0 Screw","description":"\u003ch2\u003eKansai Special 87-0970-0 Screw\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 87-0970-0 is listed as a screw. It is one of the threaded fasteners that clamp a part, fix its position or limit its travel. The same part number is used across many Kansai Special machine families, for example FX, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-0970-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-097\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, NW\/NL, NR, RX, NRE, NFS and 2 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eHead shape counts as much as the thread. A flat head sits flush in a countersunk seat, while a round head stands above the surface and can touch a moving part. Compare the part with your old one or with your machine's parts list, because one number can serve several related models.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1000-0-bolt\"\u003eKansai Special 87-1000-0 Bolt\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0920-0-bolt\"\u003eKansai Special 87-0920-0 Bolt\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719451813,"sku":"KAN-87-097","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-85-6130-0-screw-sm-3-32-pitch-56-l-4-5-mm","title":"Kansai Special 85-6130-0 Screw SM 3\/32, pitch 56, L=4.5 mm","description":"\u003ch2\u003eKansai Special 85-6130-0 Screw SM 3\/32, pitch 56, L=4.5 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 85-6130-0: Screw. This is one of the threaded fasteners that clamp a part, fix its position or limit its travel. Kansai Special lists this part in the books of many machine families, among them DFB, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e85-6130-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 85-613\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 3\/32, pitch 56\u003c\/li\u003e\n\u003cli\u003eLength (L): 4.5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: DFB, NW\/NL, NR and 7 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-85-6160-0-screw\"\u003eKansai Special 85-6160-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-85-6180-0-screw-sm-3-32-pitch-56-l-3-5-mm\"\u003eKansai Special 85-6180-0 Screw SM 3\/32, pitch 56, L=3.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719484581,"sku":"KAN-85-613","price":2.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-85-6180-0-screw-sm-3-32-pitch-56-l-3-5-mm","title":"Kansai Special 85-6180-0 Screw SM 3\/32, pitch 56, L=3.5 mm","description":"\u003ch2\u003eKansai Special 85-6180-0 Screw SM 3\/32, pitch 56, L=3.5 mm\u003c\/h2\u003e\n\u003cp\u003eScrew, Kansai Special part number 85-6180-0. This is one of the threaded fasteners that clamp a part, fix its position or limit its travel. The same part number is used across many Kansai Special machine families, for example NW\/NL, RX and WX\/MMX.\u003c\/p\u003e\n\u003cp\u003eScrews on a sewing machine work in vibration, oil and constant service. Heads get stripped and threads wear, and one wrong screw can damage a casting or the part it holds, so the part number matters.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e85-6180-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 85-618\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 3\/32, pitch 56\u003c\/li\u003e\n\u003cli\u003eLength (L): 3.5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, RX, WX\/MMX and 8 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf several screws hold one part, start them all by hand and then tighten them a little at a time in turn, so the part is not pulled out of line.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-85-6160-0-screw\"\u003eKansai Special 85-6160-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-85-6130-0-screw-sm-3-32-pitch-56-l-4-5-mm\"\u003eKansai Special 85-6130-0 Screw SM 3\/32, pitch 56, L=4.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719517349,"sku":"KAN-85-618","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-85-1070-0-screw","title":"Kansai Special 85-1070-0 Screw","description":"\u003ch2\u003eKansai Special 85-1070-0 Screw\u003c\/h2\u003e\n\u003cp\u003ePart 85-1070-0 in the Kansai Special parts list is a screw. It is fastening hardware that is identified by its thread, its length and its head shape. This part appears in the Kansai Special parts books for NFS.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e85-1070-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 85-107\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NFS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKansai Special machines on our site from these parts books: \u003ca href=\"\/products\/kansai-special-nfs6604g-lm-dd\"\u003eKansai Special NFS-6604GFMH-H-DD\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf several screws hold one part, start them all by hand and then tighten them a little at a time in turn, so the part is not pulled out of line.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-07-6340-0-lower-knife\"\u003eKansai Special 07-6340-0 Lower Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-07-6310-0-upper-knife\"\u003eKansai Special 07-6310-0 Upper Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-19-6270-0-needle-guide\"\u003eKansai Special 19-6270-0 Needle Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-27-6450-0-cover\"\u003eKansai Special 27-6450-0 Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719550117,"sku":"KAN-85-107","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-85-6160-0-screw","title":"Kansai Special 85-6160-0 Screw","description":"\u003ch2\u003eKansai Special 85-6160-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 85-6160-0: Screw. This is a small fastener that holds parts of the machine together or locks an adjustment. The same part number is used across many Kansai Special machine families, for example NW\/NL, NR and RX.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e85-6160-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 85-616\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, RX, WX\/MMX, NFS, FSX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-85-6180-0-screw-sm-3-32-pitch-56-l-3-5-mm\"\u003eKansai Special 85-6180-0 Screw SM 3\/32, pitch 56, L=3.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-85-6130-0-screw-sm-3-32-pitch-56-l-4-5-mm\"\u003eKansai Special 85-6130-0 Screw SM 3\/32, pitch 56, L=4.5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719582885,"sku":"KAN-85-616","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-84-3790-0-screw-sm-9-64-pitch-40-l-5-mm","title":"Kansai Special 84-3790-0 Screw SM 9\/64, pitch 40, L=5 mm","description":"\u003ch2\u003eKansai Special 84-3790-0 Screw SM 9\/64, pitch 40, L=5 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 84-3790-0: Screw. This is one of the threaded fasteners that clamp a part, fix its position or limit its travel. Kansai Special lists this part in the books of many machine families, among them DFB, NFS and FSX.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e84-3790-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 84-379\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: SM 9\/64, pitch 40\u003c\/li\u003e\n\u003cli\u003eLength (L): 5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: DFB, NFS, FSX, SX, VW, PX and 1 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSwitch the machine off and unplug it first. After tightening, turn the handwheel by hand and recheck the adjustment the screw locks.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3620-0-screw-sm-9-64-pitch-40-l-7-mm\"\u003eKansai Special 84-3620-0 Screw SM 9\/64, pitch 40, L=7 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-84-3140-0-screw-sm-9-64-pitch-40-l-4-mm\"\u003eKansai Special 84-3140-0 Screw SM 9\/64, pitch 40, L=4 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719681189,"sku":"KAN-84-3790-0","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-0920-0-bolt","title":"Kansai Special 87-0920-0 Bolt","description":"\u003ch2\u003eKansai Special 87-0920-0 Bolt\u003c\/h2\u003e\n\u003cp\u003eBolt, Kansai Special part number 87-0920-0. This is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-0920-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-092\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 21 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size and length are fixed for each part number, so match the number rather than the look.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0910-0-screw\"\u003eKansai Special 87-0910-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0970-0-screw\"\u003eKansai Special 87-0970-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719713957,"sku":"KAN-87-092","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1810-0-screw-m4-x-0-7-l-5-mm","title":"Kansai Special 87-1810-0 Screw M4 x 0.7, L=5 mm","description":"\u003ch2\u003eKansai Special 87-1810-0 Screw M4 x 0.7, L=5 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-1810-0 is a screw, fastening hardware that is identified by its thread, its length and its head shape. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eScrews on a sewing machine work in vibration, oil and constant service. Heads get stripped and threads wear, and one wrong screw can damage a casting or the part it holds, so the part number matters.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1810-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-181\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M4 x 0.7\u003c\/li\u003e\n\u003cli\u003eLength (L): 5 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 21 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1770-0-bolt-m4-x-0-7-l-8-mm\"\u003eKansai Special 87-1770-0 Bolt M4 x 0.7, L=8 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1870-0-screw\"\u003eKansai Special 87-1870-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719746725,"sku":"KAN-87-1810-0","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1170-0-bolt-m3-x-0-5-l-12-mm","title":"Kansai Special 87-1170-0 Bolt M3 x 0.5, L=12 mm","description":"\u003ch2\u003eKansai Special 87-1170-0 Bolt M3 x 0.5, L=12 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-1170-0 is a bolt, fastening hardware that is identified by its thread, its length and its head shape. Kansai Special lists this part in the books of many machine families, among them RX, WX\/MMX and DVK\/BK.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1170-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-117\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M3 x 0.5\u003c\/li\u003e\n\u003cli\u003eLength (L): 12 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: RX, WX\/MMX, DVK\/BK, NC, FBX, WFB and 1 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLength decides how many threads grip. A screw that is too short holds poorly, and one that is too long bottoms out in the hole or reaches a moving part behind it. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStart the screw by hand: if it binds in the first turns, stop and check the thread and the hole before tightening.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1130-0-screw-m4-x-0-7-l-10-mm\"\u003eKansai Special 87-1130-0 Screw M4 x 0.7, L=10 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1040-0-screw-m3-x-0-5-l-3-mm\"\u003eKansai Special 87-1040-0 Screw M3 x 0.5, L=3 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719779493,"sku":"KAN-87-1170-0","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1000-0-bolt","title":"Kansai Special 87-1000-0 Bolt","description":"\u003ch2\u003eKansai Special 87-1000-0 Bolt\u003c\/h2\u003e\n\u003cp\u003ePart 87-1000-0 in the Kansai Special parts list is a bolt. It is a small fastener that holds parts of the machine together or locks an adjustment. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eThe thread in the hole wears together with the screw. A sound screw in a clean hole keeps the joint tight, while a damaged screw drags burrs through the thread and the next screw may not hold either.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1000-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-100\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL, WX\/MMX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrom these parts books, our site has pages for these Kansai Special machines: \u003ca href=\"\/products\/kansai-special-fx4404p-cylinder-bed-12-needle-double-chain-stitch-machine-for-attaching-elastic-with-table-servo-motor-copy\"\u003eKansai Special FX-4404P-UTC\u003c\/a\u003e, \u003ca href=\"\/products\/kansai-special-fx4412p-cylinder-bed-double-chain-stitch-machine-for-attaching-pre-closed-elastic-with-table-servo-motor\"\u003eKansai Special FX-4412P\u003c\/a\u003e, \u003ca href=\"\/products\/kansai-special-kansai-special-fx4412p-utc-cylinder-bed-double-chain-stitch-machine-for-attaching-pre-closed-elastic-with-table-servo-motor\"\u003eKansai Special FX-4412P-UTC\u003c\/a\u003e, \u003ca href=\"\/products\/kansai-special-fx4421p-cylinder-bed-12-needle-double-chain-stitch-machine-for-attaching-elastic-with-table-servo-motor\"\u003eKansai Special FX-4418P\u003c\/a\u003e and \u003ca href=\"\/products\/kansai-special-fx4423pw-cylinder-bed-12-needle-double-chain-stitch-machine-for-attaching-elastic-with-table-servo-motor\"\u003eKansai Special FX-4425PW\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-5480-0-lower-knife\"\u003eKansai Special 05-5480-0 Lower Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3760-0-leaf-spring-upper\"\u003eKansai Special 05-3760-0 Leaf Spring (Upper)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3770-0-leaf-spring-lower\"\u003eKansai Special 05-3770-0 Leaf Spring (Lower)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-3930-0-plate\"\u003eKansai Special 05-3930-0 Plate\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719812261,"sku":"KAN-87-100","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1040-0-screw-m3-x-0-5-l-3-mm","title":"Kansai Special 87-1040-0 Screw M3 x 0.5, L=3 mm","description":"\u003ch2\u003eKansai Special 87-1040-0 Screw M3 x 0.5, L=3 mm\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 87-1040-0 is listed as a screw. It is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1040-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-104\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M3 x 0.5\u003c\/li\u003e\n\u003cli\u003eLength (L): 3 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 22 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eScrews that look alike can differ in thread pitch, length or head. Compare the thread and length in the details above with the screw you are replacing. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf several screws hold one part, start them all by hand and then tighten them a little at a time in turn, so the part is not pulled out of line.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1000-0-bolt\"\u003eKansai Special 87-1000-0 Bolt\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0970-0-screw\"\u003eKansai Special 87-0970-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719845029,"sku":"KAN-87-104","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1130-0-screw-m4-x-0-7-l-10-mm","title":"Kansai Special 87-1130-0 Screw M4 x 0.7, L=10 mm","description":"\u003ch2\u003eKansai Special 87-1130-0 Screw M4 x 0.7, L=10 mm\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 87-1130-0 is listed as a screw. It is an adjusting, mounting or stop fastener, made to a fixed thread and length. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eThe thread in the hole wears together with the screw. A sound screw in a clean hole keeps the joint tight, while a damaged screw drags burrs through the thread and the next screw may not hold either.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1130-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-113\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M4 x 0.7\u003c\/li\u003e\n\u003cli\u003eLength (L): 10 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 22 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1170-0-bolt-m3-x-0-5-l-12-mm\"\u003eKansai Special 87-1170-0 Bolt M3 x 0.5, L=12 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1040-0-screw-m3-x-0-5-l-3-mm\"\u003eKansai Special 87-1040-0 Screw M3 x 0.5, L=3 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719877797,"sku":"KAN-87-113","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-0910-0-screw","title":"Kansai Special 87-0910-0 Screw","description":"\u003ch2\u003eKansai Special 87-0910-0 Screw\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 87-0910-0 is listed as a screw. It is fastening hardware that is identified by its thread, its length and its head shape. Kansai Special lists this part in the books of many machine families, among them FX, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-0910-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-091\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, NW\/NL, NR, RX, WX\/MMX, NRE and 3 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf several screws hold one part, start them all by hand and then tighten them a little at a time in turn, so the part is not pulled out of line.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0920-0-bolt\"\u003eKansai Special 87-0920-0 Bolt\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-0970-0-screw\"\u003eKansai Special 87-0970-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719910565,"sku":"KAN-87-091","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-4040-0-screw-m10-x-1-5","title":"Kansai Special 87-4040-0 Screw M10 x 1.5","description":"\u003ch2\u003eKansai Special 87-4040-0 Screw M10 x 1.5\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 87-4040-0 is listed as a screw. It is an adjusting, mounting or stop fastener, made to a fixed thread and length. Kansai Special lists this part in the books of many machine families, among them FX, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eA worn screw seldom gives a clear warning. A rounded head, a part that rattles or a setting that creeps are the usual signs, and a loose screw at a needle, looper or knife shows in the seam as skipped stitches or ragged edges.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-4040-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-404\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M10 x 1.5\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, NW\/NL, NR, NRE, NC, UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eDiameter alone is not enough. Two screws of the same diameter can have a different pitch, and a screw with the wrong pitch starts, jams and strips the hole. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4140-0-screw-m4-x-0-7-l-7-mm\"\u003eKansai Special 87-4140-0 Screw M4 x 0.7, L=7 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-3880-0-screw\"\u003eKansai Special 87-3880-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105719976101,"sku":"KAN-87-4040-0","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1770-0-bolt-m4-x-0-7-l-8-mm","title":"Kansai Special 87-1770-0 Bolt M4 x 0.7, L=8 mm","description":"\u003ch2\u003eKansai Special 87-1770-0 Bolt M4 x 0.7, L=8 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-1770-0 is a bolt, fastening hardware that is identified by its thread, its length and its head shape. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eA machine screw holds a part in its place or locks an adjustment. Sewing machine threads and head shapes are not always standard, and a screw that almost fits can strip the hole it goes into.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1770-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-177\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M4 x 0.7\u003c\/li\u003e\n\u003cli\u003eLength (L): 8 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 21 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eScrews that look alike can differ in thread pitch, length or head. Compare the thread and length in the details above with the screw you are replacing. Compare the part with your old one or with your machine's parts list, because one number can serve several related models.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1730-0-bolt-m6-x-1-l-20-mm\"\u003eKansai Special 87-1730-0 Bolt M6 x 1, L=20 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1810-0-screw-m4-x-0-7-l-5-mm\"\u003eKansai Special 87-1810-0 Screw M4 x 0.7, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720074405,"sku":"KAN-87-1770-0","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1870-0-screw","title":"Kansai Special 87-1870-0 Screw","description":"\u003ch2\u003eKansai Special 87-1870-0 Screw\u003c\/h2\u003e\n\u003cp\u003ePart 87-1870-0 in the Kansai Special parts list is a screw. It is an adjusting, mounting or stop fastener, made to a fixed thread and length.\u003c\/p\u003e\n\u003cp\u003eThe thread in the hole wears together with the screw. A sound screw in a clean hole keeps the joint tight, while a damaged screw drags burrs through the thread and the next screw may not hold either.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1870-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-187\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eRelated Kansai Special parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1810-0-screw-m4-x-0-7-l-5-mm\"\u003eKansai Special 87-1810-0 Screw M4 x 0.7, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1770-0-bolt-m4-x-0-7-l-8-mm\"\u003eKansai Special 87-1770-0 Bolt M4 x 0.7, L=8 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720271013,"sku":"KAN-87-187","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-2420-0-screw-m6-x-1-l-8-mm","title":"Kansai Special 87-2420-0 Screw M6 x 1, L=8 mm","description":"\u003ch2\u003eKansai Special 87-2420-0 Screw M6 x 1, L=8 mm\u003c\/h2\u003e\n\u003cp\u003eScrew, Kansai Special part number 87-2420-0. This is fastening hardware that is identified by its thread, its length and its head shape. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-2420-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-242\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M6 x 1\u003c\/li\u003e\n\u003cli\u003eLength (L): 8 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 22 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-2030-0-bolt-m6-x-1-l-10-mm\"\u003eKansai Special 87-2030-0 Bolt M6 x 1, L=10 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-2810-0-bolt-m8-x-1-25-l-55-mm\"\u003eKansai Special 87-2810-0 Bolt M8 x 1.25, L=55 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720303781,"sku":"KAN-87-242","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-2030-0-bolt-m6-x-1-l-10-mm","title":"Kansai Special 87-2030-0 Bolt M6 x 1, L=10 mm","description":"\u003ch2\u003eKansai Special 87-2030-0 Bolt M6 x 1, L=10 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 87-2030-0: Bolt. This is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. Kansai Special lists this part in the books of many machine families, among them FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-2030-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-203\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M6 x 1\u003c\/li\u003e\n\u003cli\u003eLength (L): 10 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 11 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLength decides how many threads grip. A screw that is too short holds poorly, and one that is too long bottoms out in the hole or reaches a moving part behind it.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eStart the screw by hand: if it binds in the first turns, stop and check the thread and the hole before tightening.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1870-0-screw\"\u003eKansai Special 87-1870-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1810-0-screw-m4-x-0-7-l-5-mm\"\u003eKansai Special 87-1810-0 Screw M4 x 0.7, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old screw?\u003c\/strong\u003e\u003cbr\u003eOnly if the head, the thread and the shank are undamaged and the screw is straight. A rounded head or a worn thread will not clamp properly and can strip the hole, so replace it.\u003c\/p\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720336549,"sku":"KAN-87-2030-0","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-2810-0-bolt-m8-x-1-25-l-55-mm","title":"Kansai Special 87-2810-0 Bolt M8 x 1.25, L=55 mm","description":"\u003ch2\u003eKansai Special 87-2810-0 Bolt M8 x 1.25, L=55 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 87-2810-0: Bolt. This is a small fastener that holds parts of the machine together or locks an adjustment. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eSmall screws are among the parts that get lost or stripped during service. The right thread, length and head clamp a part properly without harming the casting.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-2810-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-281\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M8 x 1.25\u003c\/li\u003e\n\u003cli\u003eLength (L): 55 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 11 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eA bent or rusted screw, or one that was lost during service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-2850-0-bolt-m4-x-0-7-l-25-mm\"\u003eKansai Special 87-2850-0 Bolt M4 x 0.7, L=25 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-2890-0-screw\"\u003eKansai Special 87-2890-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720369317,"sku":"KAN-87-281","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-1730-0-bolt-m6-x-1-l-20-mm","title":"Kansai Special 87-1730-0 Bolt M6 x 1, L=20 mm","description":"\u003ch2\u003eKansai Special 87-1730-0 Bolt M6 x 1, L=20 mm\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 87-1730-0: Bolt. This is fastening hardware that is identified by its thread, its length and its head shape. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eIn service the same screws are loosened and tightened again and again. Each time the thread or the head can pick up a burr, so a screw that has been through many adjustments is better replaced before it damages the hole.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-1730-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Bolt\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-173\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M6 x 1\u003c\/li\u003e\n\u003cli\u003eLength (L): 20 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 16 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLength decides how many threads grip. A screw that is too short holds poorly, and one that is too long bottoms out in the hole or reaches a moving part behind it. Compare the part with your old one or with your machine's parts list, because one number can serve several related models.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1770-0-bolt-m4-x-0-7-l-8-mm\"\u003eKansai Special 87-1770-0 Bolt M4 x 0.7, L=8 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-1810-0-screw-m4-x-0-7-l-5-mm\"\u003eKansai Special 87-1810-0 Screw M4 x 0.7, L=5 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720402085,"sku":"KAN-87-173","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-3880-0-screw","title":"Kansai Special 87-3880-0 Screw","description":"\u003ch2\u003eKansai Special 87-3880-0 Screw\u003c\/h2\u003e\n\u003cp\u003ePart 87-3880-0 in the Kansai Special parts list is a screw. It is an adjusting, mounting or stop fastener, made to a fixed thread and length. The same part number is used across many Kansai Special machine families, for example NW\/NL, NR and NRE.\u003c\/p\u003e\n\u003cp\u003eScrews on a sewing machine work in vibration, oil and constant service. Heads get stripped and threads wear, and one wrong screw can damage a casting or the part it holds, so the part number matters.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-3880-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-388\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, NRE, NC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eHead shape counts as much as the thread. A flat head sits flush in a countersunk seat, while a round head stands above the surface and can touch a moving part.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eThe thread is damaged or the screw no longer holds its setting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4040-0-screw-m10-x-1-5\"\u003eKansai Special 87-4040-0 Screw M10 x 1.5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4140-0-screw-m4-x-0-7-l-7-mm\"\u003eKansai Special 87-4140-0 Screw M4 x 0.7, L=7 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720434853,"sku":"KAN-87-388","price":10.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-88-1830-0-nut","title":"Kansai Special 88-1830-0 Nut","description":"\u003ch2\u003eKansai Special 88-1830-0 Nut\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 88-1830-0 is listed as a nut. It is a small part that has to match its shaft or screw in size and thickness. The same part number is used across many Kansai Special machine families, for example FX, DFB and NFS.\u003c\/p\u003e\n\u003cp\u003eThese small parts lock, space or retain other parts. A missing or worn one lets a screw loosen or a shaft move along its axis.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e88-1830-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Nut\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 88-183\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NFS, DLR, FSX, SX and 3 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCracks, chips or a broken edge on the part\u003c\/li\u003e\n\u003cli\u003eOn a nut, rounded corners that let the wrench slip\u003c\/li\u003e\n\u003cli\u003eA bright wear track on the face where a moving part rubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstall it in the same position and order as the one you remove, and do not reuse a ring that has been bent open.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size, thickness and outer diameter matter, so match the part number. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-88-1760-0-nut-m8-x-1-25\"\u003eKansai Special 88-1760-0 Nut M8 x 1.25\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-88-1570-0-nut\"\u003eKansai Special 88-1570-0 Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720467621,"sku":"KAN-88-183","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"},{"product_id":"kansai-special-87-4140-0-screw-m4-x-0-7-l-7-mm","title":"Kansai Special 87-4140-0 Screw M4 x 0.7, L=7 mm","description":"\u003ch2\u003eKansai Special 87-4140-0 Screw M4 x 0.7, L=7 mm\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 87-4140-0 is listed as a screw. It is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. The same part number is used across many Kansai Special machine families, for example FX, NW\/NL and NR.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-4140-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-414\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M4 x 0.7\u003c\/li\u003e\n\u003cli\u003eLength (L): 7 mm\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, NW\/NL, NR and 7 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLength decides how many threads grip. A screw that is too short holds poorly, and one that is too long bottoms out in the hole or reaches a moving part behind it.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4040-0-screw-m10-x-1-5\"\u003eKansai Special 87-4040-0 Screw M10 x 1.5\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4340-0-screw\"\u003eKansai Special 87-4340-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRelated: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e | \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720533157,"sku":"KAN-87-414","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-4370-0-screw","title":"Kansai Special 87-4370-0 Screw","description":"\u003ch2\u003eKansai Special 87-4370-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-4370-0 is a screw, one of the threaded fasteners that clamp a part, fix its position or limit its travel. The same part number is used across many Kansai Special machine families, for example NW\/NL, NR and NRE.\u003c\/p\u003e\n\u003cp\u003eSome screws only clamp a part, while others set a position, such as a stop screw that limits a lever's travel. For a stop screw, length and tip set that position, so a screw that is slightly off changes how the mechanism works.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-4370-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-437\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NW\/NL, NR, NRE, NC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRattling or a shifting part at a joint the screw should hold firm\u003c\/li\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eDents under the head stop the screw from seating flat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean the thread and the hole before installing. Tighten firmly but do not over-tighten, and do not force a screw that does not start smoothly.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLength decides how many threads grip. A screw that is too short holds poorly, and one that is too long bottoms out in the hole or reaches a moving part behind it. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4340-0-screw\"\u003eKansai Special 87-4340-0 Screw\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-87-4140-0-screw-m4-x-0-7-l-7-mm\"\u003eKansai Special 87-4140-0 Screw M4 x 0.7, L=7 mm\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a similar screw from a hardware store?\u003c\/strong\u003e\u003cbr\u003eNot recommended. Many sewing machine screws have their own thread sizes and head shapes, and a wrong thread can strip the hole in the casting.\u003c\/p\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720565925,"sku":"KAN-87-437","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-4340-0-screw","title":"Kansai Special 87-4340-0 Screw","description":"\u003ch2\u003eKansai Special 87-4340-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special spare part 87-4340-0: Screw. This is an adjusting, mounting or stop fastener, made to a fixed thread and length. Kansai Special shows it in the parts books for FBX and WFB.\u003c\/p\u003e\n\u003cp\u003eThe thread in the hole wears together with the screw. A sound screw in a clean hole keeps the joint tight, while a damaged screw drags burrs through the thread and the next screw may not hold either.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-4340-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-434\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FBX, WFB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKansai Special machines on our site from these parts books: \u003ca href=\"\/products\/kansai-specialfbx1104p-cylinder-bed-double-chainstitch-machine-with-table-servo-motor\"\u003eKansai Special FBX-1104P\u003c\/a\u003e and \u003ca href=\"\/products\/kansai-special-fbx1104pr-cylinder-bed-double-chainstitch-machine-with-upper-and-lower-puller-with-table-servo-motor\"\u003eKansai Special FBX-1104PR\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eThread size and length are fixed for each part number, so match the number rather than the look. One Kansai Special number can serve several related models, so compare the part with the old one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKeep the screws from each location apart while you work, because screws that share a diameter can still differ in length. Put each one back where it came from.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-05-4200-0-seal\"\u003eKansai Special 05-4200-0 Seal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-10-9050-0-looper-rocker-assembly\"\u003eKansai Special 10-9050-0 Looper Rocker Assembly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-26-4600-0-bracket\"\u003eKansai Special 26-4600-0 Bracket\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-26-4630-0-bracket\"\u003eKansai Special 26-4630-0 Bracket\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse the old screw?\u003c\/strong\u003e\u003cbr\u003eOnly if the head, the thread and the shank are undamaged and the screw is straight. A rounded head or a worn thread will not clamp properly and can strip the hole, so replace it.\u003c\/p\u003e\n\u003cp\u003eMore in this group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e. Everything from this maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720598693,"sku":"KAN-87-434","price":1.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-6120-0-screw","title":"Kansai Special 87-6120-0 Screw","description":"\u003ch2\u003eKansai Special 87-6120-0 Screw\u003c\/h2\u003e\n\u003cp\u003eKansai Special 87-6120-0 is a screw, fastening hardware that is identified by its thread, its length and its head shape. Kansai Special shows it in the parts books for NFS, FSX and SQ.\u003c\/p\u003e\n\u003cp\u003eScrews on a sewing machine work in vibration, oil and constant service. Heads get stripped and threads wear, and one wrong screw can damage a casting or the part it holds, so the part number matters.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-6120-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-612\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: NFS, FSX, SQ\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKansai Special machines with a page on our site, from the same parts books: \u003ca href=\"\/products\/kansai-special-nfs6604g-lm-dd\"\u003eKansai Special NFS-6604GFMH-H-DD\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003cli\u003eThe screwdriver slips in the head, or the head is stripped or rounded\u003c\/li\u003e\n\u003cli\u003eAn earlier substitute screw has the wrong length or thread for the hole\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf several screws hold one part, start them all by hand and then tighten them a little at a time in turn, so the part is not pulled out of line.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eCheck what the screw does in the mechanism. A clamping screw, a stop screw and a pivot screw can look alike, but the tip and the shoulder of each are shaped for the job.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-07-6340-0-lower-knife\"\u003eKansai Special 07-6340-0 Lower Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-07-6310-0-upper-knife\"\u003eKansai Special 07-6310-0 Upper Knife\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-27-6450-0-cover\"\u003eKansai Special 27-6450-0 Cover\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-19-6190-0-looper\"\u003eKansai Special 19-6190-0 Looper\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720631461,"sku":"KAN-87-612","price":1.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-87-2890-0-screw","title":"Kansai Special 87-2890-0 Screw","description":"\u003ch2\u003eKansai Special 87-2890-0 Screw\u003c\/h2\u003e\n\u003cp\u003ePart 87-2890-0 in the Kansai Special parts list is a screw. It is a threaded fastener that clamps parts together when it is turned into a tapped hole or a nut. The Kansai Special parts books for FX and DFB list this part.\u003c\/p\u003e\n\u003cp\u003eA machine screw holds a part in its place or locks an adjustment. Sewing machine threads and head shapes are not always standard, and a screw that almost fits can strip the hole it goes into.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e87-2890-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Screw\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 87-289\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKansai Special machines on our site from these parts books:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-dfb1404p-flat-bed-12-needle-shirring-stitch-machine-with-table-servo-motor\"\u003eKansai Special DFB-1404P\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-dfb1404pmd-flat-bed-4-needle-flat-bed-chain-stitch-machine-with-table-servo-motor\"\u003eKansai Special DFB-1404PMD\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-dfb1412pq-1-4\"\u003eKansai Special DFB-1412PQ\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-fx4404p-cylinder-bed-12-needle-double-chain-stitch-machine-for-attaching-elastic-with-table-servo-motor-copy\"\u003eKansai Special FX-4404P-UTC\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-fx4412p-cylinder-bed-double-chain-stitch-machine-for-attaching-pre-closed-elastic-with-table-servo-motor\"\u003eKansai Special FX-4412P\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-kansai-special-fx4412p-utc-cylinder-bed-double-chain-stitch-machine-for-attaching-pre-closed-elastic-with-table-servo-motor\"\u003eKansai Special FX-4412P-UTC\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-fx4421p-cylinder-bed-12-needle-double-chain-stitch-machine-for-attaching-elastic-with-table-servo-motor\"\u003eKansai Special FX-4418P\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-fx4423pw-cylinder-bed-12-needle-double-chain-stitch-machine-for-attaching-elastic-with-table-servo-motor\"\u003eKansai Special FX-4425PW\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eLength decides how many threads grip. A screw that is too short holds poorly, and one that is too long bottoms out in the hole or reaches a moving part behind it. The part number is the safest check: the same number can be used on more than one model.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBinding or a gritty feel when turned, even in a clean hole\u003c\/li\u003e\n\u003cli\u003eA snapped shank, or a head that has sheared off\u003c\/li\u003e\n\u003cli\u003eFlats or grooves worn into the tip or shoulder of a stop screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse a screwdriver that fits the head exactly. Clean the thread and the hole, and tighten firmly without forcing.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-45-4320-0-thread-eyelet\"\u003eKansai Special 45-4320-0 Thread Eyelet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-19-4050-0-needle-guide\"\u003eKansai Special 19-4050-0 Needle Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-15-4960-0-dfb-1412p-feed-dog-1-4-in\"\u003eKansai Special 15-4960-0 DFB-1412P Feed Dog 1\/4 in\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-02-4940-0-rear-puller\"\u003eKansai Special 02-4940-0 Rear Puller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBrowse \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eKansai Special screws, nuts \u0026amp; washers\u003c\/a\u003e, or see \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eKansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720696997,"sku":"KAN-87-289","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_screw_v2.png?v=1793912248"},{"product_id":"kansai-special-88-1760-0-nut-m8-x-1-25","title":"Kansai Special 88-1760-0 Nut M8 x 1.25","description":"\u003ch2\u003eKansai Special 88-1760-0 Nut M8 x 1.25\u003c\/h2\u003e\n\u003cp\u003eThe Kansai Special 88-1760-0 is listed as a nut. It is a small fastening part that locks, spaces or retains another part. The same part number is used across many Kansai Special machine families, for example FX, DFB and NW\/NL.\u003c\/p\u003e\n\u003cp\u003eThese small parts lock, space or retain other parts. A missing or worn one lets a screw loosen or a shaft move along its axis.\u003c\/p\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKansai Special part number: \u003cstrong\u003e88-1760-0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePart name: Nut\u003c\/li\u003e\n\u003cli\u003eShort form of the number: 88-176\u003c\/li\u003e\n\u003cli\u003eType: Screws, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003cli\u003eThread: M8 x 1.25\u003c\/li\u003e\n\u003cli\u003eKansai Special parts books that list this part: FX, DFB, NW\/NL and 17 more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to replace it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCracks, chips or a broken edge on the part\u003c\/li\u003e\n\u003cli\u003eOn a nut, rounded corners that let the wrench slip\u003c\/li\u003e\n\u003cli\u003eThe nut or ring no longer grips and a setting keeps moving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote the order of the washers, spacers and nuts as you take them off, and fit the new ones in the same order.\u003c\/p\u003e\n\u003ch3\u003eChoosing the right part\u003c\/h3\u003e\n\u003cp\u003eFor a ring, check the groove width and the thickness as well as the shaft diameter. A ring that is too loose can come off, and one that is too tight will not seat. Compare the part with your old one or with your machine's parts list, because one number can serve several related models.\u003c\/p\u003e\n\u003ch3\u003eMore Kansai Special parts for the same machines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-88-1830-0-nut\"\u003eKansai Special 88-1830-0 Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kansai-special-88-1570-0-nut\"\u003eKansai Special 88-1570-0 Nut\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSame group: \u003ca href=\"\/collections\/kansai-special-screws-nuts-and-washers\"\u003eScrews, Nuts \u0026amp; Washers\u003c\/a\u003e. Same maker: \u003ca href=\"\/collections\/kansai-special-spare-parts\"\u003eall Kansai Special spare parts\u003c\/a\u003e.\u003c\/p\u003e","brand":"PRIZZI SEWING MACHINE CO.","offers":[{"title":"Default Title","offer_id":51105720860837,"sku":"KAN-88-1760-0","price":0.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7593\/5397\/files\/kp_nut_v2.png?v=1793912248"}],"url":"https:\/\/prizzisewing.com\/collections\/kansai-special-screws-nuts-and-washers.oembed?page=2","provider":"PRIZZI SEWING MACHINE CO.","version":"1.0","type":"link"}