{"product_id":"304-stainless-steel-wedge-lock-washers-5-pack-m3-m20","title":"5-Pack 304 Stainless Steel Wedge Lock Washers M3–M20","description":"\u003ch2\u003e304 Stainless Steel Wedge Lock Washers – 5-Pack (M3 to M20)\u003c\/h2\u003e\n\u003cp\u003eKeep your bolted joints secure with these heavy-duty \u003cstrong\u003e304 stainless steel wedge lock washers\u003c\/strong\u003e. Engineered with a Dacromet-coated finish and a precision wedge profile, these self-locking washers bite into mating surfaces to prevent loosening caused by vibration, shock, and thermal cycling — making them an essential hardware fastener for machinery, automotive assemblies, construction, and DIY projects.\u003c\/p\u003e\n\n\u003cp\u003eEach pack contains \u003cstrong\u003e5 washers\u003c\/strong\u003e in your chosen size, available from M3 through M20. The cam-shaped locking geometry creates a secure, rattle-proof connection that outperforms standard flat or spring washers in demanding applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 Stainless Steel with Dacromet coating for excellent corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocking Mechanism:\u003c\/strong\u003e Wedge cam design grips under load to prevent bolt loosening\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Size Range:\u003c\/strong\u003e M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 5 washers per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Use:\u003c\/strong\u003e Ideal for automotive, industrial machinery, construction, electronics, and general hardware\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New \u0026amp; High Quality:\u003c\/strong\u003e Precision-manufactured to consistent dimensional tolerances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSize Chart (Inner Dia × Outer Dia × Thickness)\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:14px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f2f2f2;\"\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSize\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eInner Dia (mm)\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eOuter Dia (mm)\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eThickness (mm)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e7.2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e4.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e7.6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e5.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e9.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e10.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e8.7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e13.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM10\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e10.7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e16.6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM12\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e13.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e19.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM14\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e15.2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e23.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM16\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e17.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e25.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM18\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e19.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e29.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eM20\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e21.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e30.7\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 × Wedge Lock Washers (your selected size)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Actual colour may vary slightly from on-screen images due to monitor settings. Allow ±0.1 mm manual measurement tolerance. 1 cm = 0.39 inches.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/garden-pruner-shears-secateurs-bonsai-fruit-trees\"\u003eGarden Pruner Shears – Secateurs for Bonsai \u0026amp; Fruit Trees\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What makes wedge lock washers better than standard lock washers?\u003c\/h4\u003e\n\u003cp\u003eA: Wedge lock washers feature a cam-shaped surface with radial teeth. When a bolt is tightened, the cam faces engage, and any loosening attempt actually increases the clamp force — far more secure than traditional spring or toothed lock washers in high-vibration environments.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these 304 stainless steel wedge lock washers suitable for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 304 stainless steel construction combined with the Dacromet coating provides strong resistance to corrosion, making these washers well-suited for outdoor, marine-adjacent, and damp environments.\u003c\/p\u003e\n\u003ch4\u003eQ: Which bolt sizes do these lock washers fit?\u003c\/h4\u003e\n\u003cp\u003eA: These wedge lock washers are available in M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, and M20 metric bolt sizes. Select your required size from the variant options above to match your hardware application.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What makes wedge lock washers better than standard lock washers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Wedge lock washers feature a cam-shaped surface with radial teeth. When a bolt is tightened, the cam faces engage, and any loosening attempt actually increases the clamp force — far more secure than traditional spring or toothed lock washers in high-vibration environments.\"}}, {\"@type\": \"Question\", \"name\": \"Are these 304 stainless steel wedge lock washers suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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Select your required size from the variant options above to match your hardware application.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-Pack 304 Stainless Steel Wedge Lock Washers M3–M20\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/304-stainless-steel-wedge-lock-washers-5-pack-m3-m20\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"M4","offer_id":44169848324183,"sku":"14:366#M4","price":9.28,"currency_code":"USD","in_stock":true},{"title":"M3","offer_id":44169848356951,"sku":"14:94#M3","price":9.22,"currency_code":"USD","in_stock":true},{"title":"M20","offer_id":44169848389719,"sku":"14:350686#M20","price":13.61,"currency_code":"USD","in_stock":true},{"title":"M18","offer_id":44169848422487,"sku":"14:201619813#M18","price":12.24,"currency_code":"USD","in_stock":true},{"title":"M16","offer_id":44169848455255,"sku":"14:201451289#M16","price":11.22,"currency_code":"USD","in_stock":true},{"title":"M14","offer_id":44169848488023,"sku":"14:200051424#M14","price":11.13,"currency_code":"USD","in_stock":true},{"title":"M12","offer_id":44169848520791,"sku":"14:200021498#M12","price":10.05,"currency_code":"USD","in_stock":true},{"title":"M10","offer_id":44169848553559,"sku":"14:200006157#M10","price":9.88,"currency_code":"USD","in_stock":true},{"title":"M8","offer_id":44169848586327,"sku":"14:200006152#M8","price":9.42,"currency_code":"USD","in_stock":true},{"title":"M6","offer_id":44169848619095,"sku":"14:1254#M6","price":9.42,"currency_code":"USD","in_stock":true},{"title":"M5","offer_id":44169848651863,"sku":"14:618#M5","price":9.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S520252105e324e7b93fc031681120a16H.webp?v=1786802149","url":"https:\/\/axlcustomersupport.com\/products\/304-stainless-steel-wedge-lock-washers-5-pack-m3-m20","provider":"Axl","version":"1.0","type":"link"}