{"title":"Nylon Insert Lock Nuts","description":"\u003cp\u003eA hexagon nut with a nylon collar in the top, to DIN 985 and ISO 10511. The bolt cuts its own path through the collar, and the friction that creates holds the nut in place independently of clamp load. This is what the standards call prevailing torque.\u003c\/p\u003e\n\u003ch3\u003eWhy prevailing torque beats friction\u003c\/h3\u003e\n\u003cp\u003eA plain nut holds only while the joint stays tight. Let the clamp load drop — thermal cycling, settling, vibration — and it walks off. A nylon insert keeps gripping at zero clamp load, which is why it is the default on anything that moves.\u003c\/p\u003e\n\u003ch3\u003eLimits worth knowing\u003c\/h3\u003e\n\u003cp\u003eThe nylon is good to roughly 120 °C and no higher. It is also not designed for repeated use: each cycle cuts the collar further, and after three or four removals the locking action is largely gone. Treat them as consumable.\u003c\/p\u003e\n\u003cp\u003eThe bolt must protrude fully through the nylon or the locking feature does nothing at all — a nut run on only to the top of the metal section is just a plain nut.\u003c\/p\u003e\n\u003ch3\u003eMaterial\u003c\/h3\u003e\n\u003cp\u003e304 stainless body, natural nylon insert. For non-vibrating joints, a plain \u003ca href=\"\/collections\/hex-nuts\"\u003ehex nut\u003c\/a\u003e is cheaper and easier to service.\u003c\/p\u003e","products":[{"product_id":"m3-nylon-insert-lock-nut-stainless-steel-304","title":"M3 Nylon Insert Lock Nut, Stainless Steel 304","description":"\u003cp class=\"pf-crumbs\"\u003e\u003ca href=\"\/\"\u003eHome\u003c\/a\u003e › \u003ca href=\"\/collections\/nylon-insert-lock-nuts\"\u003eNylon Insert Lock Nuts\u003c\/a\u003e › \u003cspan\u003eM3 Nylon Insert Lock Nut, Stainless Steel 304\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eM3 Nylon Insert Lock Nut, Stainless Steel 304\u003c\/strong\u003e — a M3 nut in Stainless Steel 304. Tightened with a standard wrench or socket across the flats.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread size\u003c\/th\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread pitch\u003c\/th\u003e\n\u003ctd\u003e0.5 mm (coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e4.0 mm (0.157 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcross flats\u003c\/th\u003e\n\u003ctd\u003e5.5 mm (0.217 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead style\u003c\/th\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003ctd\u003eExternal Hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread configuration\u003c\/th\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody shape\u003c\/th\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel 304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrength grade \/ class\u003c\/th\u003e\n\u003ctd\u003eA2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eDIN 985, ISO 10511, ASME B18.16.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax continuous temperature\u003c\/th\u003e\n\u003ctd\u003e400 °C (752 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoHS\u003c\/th\u003e\n\u003ctd\u003eCompliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit weight\u003c\/th\u003e\n\u003ctd\u003e0.582 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard pack\u003c\/th\u003e\n\u003ctd\u003e100 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHTS classification\u003c\/th\u003e\n\u003ctd\u003e7318.15.2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance hole:\u003c\/strong\u003e 3.4 mm (0.134 in) — ISO 273 medium fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap drill for M3:\u003c\/strong\u003e 2.5 mm (0.098 in) at 75% thread engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNearest imperial thread:\u003c\/strong\u003e #4-40 — similar in diameter but \u003cem\u003enot interchangeable\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAbout Stainless Steel 304\u003c\/h3\u003e\u003cp\u003e304 stainless resists general atmospheric and indoor corrosion and is non-magnetic in the annealed condition. It is not the right choice for salt spray or chloride exposure — 316 is. Stainless threads can gall under speed or load; back off the driver and use an anti-seize compound on repeated assemblies.\u003c\/p\u003e\u003ch3\u003eRelated reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/fastener-standards-cross-reference-asme-iso-and-din\"\u003eFastener standards cross-reference: ASME, ISO and DIN\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/tap-drill-size-chart-metric-unc-and-unf\"\u003eTap drill size chart — metric, UNC and UNF\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/metric-to-imperial-fastener-conversion\"\u003eMetric to imperial fastener conversion\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/bolt-head-markings-and-grade-chart\"\u003eBolt head markings and grade chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/nylon-insert-lock-nuts\"\u003eAll nylon insert lock nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/reference\"\u003eAll reference charts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a quantity, a length or a material that is not listed? \u003ca href=\"\/pages\/contact-us\"\u003eSend us the specification\u003c\/a\u003e and we will source it.\u003c\/p\u003e","brand":"Planet Fasteners","offers":[{"title":"100 pcs","offer_id":52522789765351,"sku":"PF-NYL-M3-SS","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6012\/0295\/files\/din-985-a2.jpg?v=1787893042"},{"product_id":"m4-nylon-insert-lock-nut-stainless-steel-304","title":"M4 Nylon Insert Lock Nut, Stainless Steel 304","description":"\u003cp class=\"pf-crumbs\"\u003e\u003ca href=\"\/\"\u003eHome\u003c\/a\u003e › \u003ca href=\"\/collections\/nylon-insert-lock-nuts\"\u003eNylon Insert Lock Nuts\u003c\/a\u003e › \u003cspan\u003eM4 Nylon Insert Lock Nut, Stainless Steel 304\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eM4 Nylon Insert Lock Nut, Stainless Steel 304\u003c\/strong\u003e — a M4 nut in Stainless Steel 304. Tightened with a standard wrench or socket across the flats.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread size\u003c\/th\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread pitch\u003c\/th\u003e\n\u003ctd\u003e0.7 mm (coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e5.0 mm (0.197 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcross flats\u003c\/th\u003e\n\u003ctd\u003e7.0 mm (0.276 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead style\u003c\/th\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003ctd\u003eExternal Hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread configuration\u003c\/th\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody shape\u003c\/th\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel 304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrength grade \/ class\u003c\/th\u003e\n\u003ctd\u003eA2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eDIN 985, ISO 10511, ASME B18.16.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax continuous temperature\u003c\/th\u003e\n\u003ctd\u003e400 °C (752 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoHS\u003c\/th\u003e\n\u003ctd\u003eCompliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit weight\u003c\/th\u003e\n\u003ctd\u003e1.178 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard pack\u003c\/th\u003e\n\u003ctd\u003e100 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHTS classification\u003c\/th\u003e\n\u003ctd\u003e7318.15.2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance hole:\u003c\/strong\u003e 4.5 mm (0.177 in) — ISO 273 medium fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap drill for M4:\u003c\/strong\u003e 3.3 mm (0.13 in) at 75% thread engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNearest imperial thread:\u003c\/strong\u003e #8-32 — similar in diameter but \u003cem\u003enot interchangeable\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAbout Stainless Steel 304\u003c\/h3\u003e\u003cp\u003e304 stainless resists general atmospheric and indoor corrosion and is non-magnetic in the annealed condition. It is not the right choice for salt spray or chloride exposure — 316 is. Stainless threads can gall under speed or load; back off the driver and use an anti-seize compound on repeated assemblies.\u003c\/p\u003e\u003ch3\u003eRelated reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/fastener-standards-cross-reference-asme-iso-and-din\"\u003eFastener standards cross-reference: ASME, ISO and DIN\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/tap-drill-size-chart-metric-unc-and-unf\"\u003eTap drill size chart — metric, UNC and UNF\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/metric-to-imperial-fastener-conversion\"\u003eMetric to imperial fastener conversion\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/bolt-head-markings-and-grade-chart\"\u003eBolt head markings and grade chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/nylon-insert-lock-nuts\"\u003eAll nylon insert lock nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/reference\"\u003eAll reference charts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a quantity, a length or a material that is not listed? \u003ca href=\"\/pages\/contact-us\"\u003eSend us the specification\u003c\/a\u003e and we will source it.\u003c\/p\u003e","brand":"Planet Fasteners","offers":[{"title":"100 pcs","offer_id":52522789830887,"sku":"PF-NYL-M4-SS","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6012\/0295\/files\/din-985-a2_edf29a38-6ece-4b05-b95d-969057ee1e26.jpg?v=1787893102"},{"product_id":"m5-nylon-insert-lock-nut-stainless-steel-304","title":"M5 Nylon Insert Lock Nut, Stainless Steel 304","description":"\u003cp class=\"pf-crumbs\"\u003e\u003ca href=\"\/\"\u003eHome\u003c\/a\u003e › \u003ca href=\"\/collections\/nylon-insert-lock-nuts\"\u003eNylon Insert Lock Nuts\u003c\/a\u003e › \u003cspan\u003eM5 Nylon Insert Lock Nut, Stainless Steel 304\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eM5 Nylon Insert Lock Nut, Stainless Steel 304\u003c\/strong\u003e — a M5 nut in Stainless Steel 304. Tightened with a standard wrench or socket across the flats.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread size\u003c\/th\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread pitch\u003c\/th\u003e\n\u003ctd\u003e0.8 mm (coarse)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e5.0 mm (0.197 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAcross flats\u003c\/th\u003e\n\u003ctd\u003e8.0 mm (0.315 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead style\u003c\/th\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003ctd\u003eExternal Hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread configuration\u003c\/th\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBody shape\u003c\/th\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel 304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStrength grade \/ class\u003c\/th\u003e\n\u003ctd\u003eA2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eDIN 985, ISO 10511, ASME B18.16.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax continuous temperature\u003c\/th\u003e\n\u003ctd\u003e400 °C (752 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoHS\u003c\/th\u003e\n\u003ctd\u003eCompliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit weight\u003c\/th\u003e\n\u003ctd\u003e1.538 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard pack\u003c\/th\u003e\n\u003ctd\u003e100 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHTS classification\u003c\/th\u003e\n\u003ctd\u003e7318.15.2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance hole:\u003c\/strong\u003e 5.5 mm (0.217 in) — ISO 273 medium fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTap drill for M5:\u003c\/strong\u003e 4.2 mm (0.165 in) at 75% thread engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNearest imperial thread:\u003c\/strong\u003e #10-32 — similar in diameter but \u003cem\u003enot interchangeable\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAbout Stainless Steel 304\u003c\/h3\u003e\u003cp\u003e304 stainless resists general atmospheric and indoor corrosion and is non-magnetic in the annealed condition. It is not the right choice for salt spray or chloride exposure — 316 is. Stainless threads can gall under speed or load; back off the driver and use an anti-seize compound on repeated assemblies.\u003c\/p\u003e\u003ch3\u003eRelated reference\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/fastener-standards-cross-reference-asme-iso-and-din\"\u003eFastener standards cross-reference: ASME, ISO and DIN\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/tap-drill-size-chart-metric-unc-and-unf\"\u003eTap drill size chart — metric, UNC and UNF\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/metric-to-imperial-fastener-conversion\"\u003eMetric to imperial fastener conversion\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/bolt-head-markings-and-grade-chart\"\u003eBolt head markings and grade chart\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/nylon-insert-lock-nuts\"\u003eAll nylon insert lock nuts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/reference\"\u003eAll reference charts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNeed a quantity, a length or a material that is not listed? \u003ca href=\"\/pages\/contact-us\"\u003eSend us the specification\u003c\/a\u003e and we will source it.\u003c\/p\u003e","brand":"Planet Fasteners","offers":[{"title":"100 pcs","offer_id":52522789863655,"sku":"PF-NYL-M5-SS","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6012\/0295\/files\/din-985-a2_0fc80298-4419-4f85-a106-3107f682e810.jpg?v=1787893172"}],"url":"https:\/\/planetfasteners.com\/collections\/nylon-insert-lock-nuts.oembed","provider":"Planet Fasteners","version":"1.0","type":"link"}