{"title":"DIN 128 Lock Washer Spring","description":"\u003ch1\u003eDIN 128 Lock Washer Spring — Complete Product Series\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 128 spring lock washers are manufactured to DIN 128 standard in two profile types and a full range of materials and surface treatments. DIN 128 Type A (curved) features a single curved arc for smooth, even load distribution — designed for cheese head and pan head screws. DIN 128 Type B (wavy) features multiple corrugations for distributed multi-point contact — suited for general bolted assemblies. Both types provide axial spring force without sharp edges, making them ideal for soft materials and coated surfaces where surface marking must be avoided. Select the type, material, and finish that matches your application below.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Variants — Browse by Type, Material \u0026amp; Finish\u003c\/h2\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128a-lock-washer-spring-a2-stainless\"\u003e\u003cstrong\u003eDIN 128A Lock Washer Spring — A2 Stainless Steel (SUS304), Whitened \u0026amp; Passivated\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\nA2 stainless steel (SUS304) · Whitened \u0026amp; passivated · M2–M36 · Curved profile · Non-magnetic · General corrosion resistance · Food-safe\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128a-lock-washer-spring-a4-stainless\"\u003e\u003cstrong\u003eDIN 128A Lock Washer Spring — A4 Marine Stainless Steel (SUS316), Whitened \u0026amp; Passivated\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\nA4 stainless steel (SUS316) · Whitened \u0026amp; passivated · M2–M36 · Curved profile · Mo 2–3% · Marine-grade · Superior chloride \u0026amp; seawater resistance\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128a-lock-washer-spring-70-steel-zinc\"\u003e\u003cstrong\u003eDIN 128A Lock Washer Spring — 70# Spring Steel, Zinc Plated\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n70# spring steel (GB\/T 699) · Mechanical zinc plating · M2–M36 · Curved profile · 40–50 HRC · High spring force · Outdoor corrosion protection\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128a-lock-washer-spring-70-steel-black\"\u003e\u003cstrong\u003eDIN 128A Lock Washer Spring — 70# Spring Steel, Black Oxide\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n70# spring steel (GB\/T 699) · Black oxide · M2–M36 · Curved profile · 40–50 HRC · Matte black · No hydrogen embrittlement · Precision indoor use\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128b-lock-washer-spring-a2-stainless\"\u003e\u003cstrong\u003eDIN 128B Lock Washer Spring — A2 Stainless Steel (SUS304), Whitened \u0026amp; Passivated\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\nA2 stainless steel (SUS304) · Whitened \u0026amp; passivated · M2–M36 · Wavy profile · Non-magnetic · General corrosion resistance · Food-safe\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128b-lock-washer-spring-70-steel-zinc\"\u003e\u003cstrong\u003eDIN 128B Lock Washer Spring — 70# Spring Steel, Zinc Plated\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n70# spring steel (GB\/T 699) · Mechanical zinc plating · M2–M36 · Wavy profile · 40–50 HRC · High spring force · Outdoor corrosion protection\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/collections\/din-128b-lock-washer-spring-70-steel-black\"\u003e\u003cstrong\u003eDIN 128B Lock Washer Spring — 70# Spring Steel, Black Oxide\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\n70# spring steel (GB\/T 699) · Black oxide · M2–M36 · Wavy profile · 40–50 HRC · Matte black · No hydrogen embrittlement · Heavy-duty indoor use\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHow to Choose the Right Grade\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eApplication Environment\u003c\/th\u003e\n\u003cth\u003eRecommended Grade\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMarine, offshore, seawater splash zone\u003c\/td\u003e\n\u003ctd\u003eA4 Stainless Steel (SUS316)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGeneral outdoor, food processing, fresh water\u003c\/td\u003e\n\u003ctd\u003eA2 Stainless Steel (SUS304)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHeavy machinery, outdoor or humid environment\u003c\/td\u003e\n\u003ctd\u003e70# Steel, Zinc Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHeavy machinery, indoor or dry environment\u003c\/td\u003e\n\u003ctd\u003e70# Steel, Black Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrecision assembly, minimal coating thickness\u003c\/td\u003e\n\u003ctd\u003e70# Steel, Black Oxide (1–3 um)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCheese head \/ pan head screw assemblies\u003c\/td\u003e\n\u003ctd\u003eDIN 128 Type A (Curved)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGeneral bolted assemblies, soft materials\u003c\/td\u003e\n\u003ctd\u003eDIN 128 Type B (Wavy)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDIN 128 Type A vs. Type B\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eType A (Curved)\u003c\/th\u003e\n\u003cth\u003eType B (Wavy)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProfile\u003c\/td\u003e\n\u003ctd\u003eSingle curved arc\u003c\/td\u003e\n\u003ctd\u003eMultiple corrugations (wavy)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eContact\u003c\/td\u003e\n\u003ctd\u003eContinuous curved contact\u003c\/td\u003e\n\u003ctd\u003eMulti-point contact\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDesigned for\u003c\/td\u003e\n\u003ctd\u003eCheese head \u0026amp; pan head screws\u003c\/td\u003e\n\u003ctd\u003eGeneral bolted assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSurface marking\u003c\/td\u003e\n\u003ctd\u003eNone — smooth curved surface\u003c\/td\u003e\n\u003ctd\u003eNone — no sharp edges\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSize range\u003c\/td\u003e\n\u003ctd\u003eM2–M36\u003c\/td\u003e\n\u003ctd\u003eM2–M36\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDIN 128 Standard Overview\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 128\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypes:\u003c\/strong\u003e Type A (Curved) · Type B (Wavy)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize range:\u003c\/strong\u003e M2 – M36\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesigned for use with:\u003c\/strong\u003e Cheese head screws (DIN 84), Pan head screws (DIN 7985)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey advantage vs. DIN 127:\u003c\/strong\u003e No sharp edges — no surface marking, suitable for soft materials and coated surfaces\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eAll grades RoHS \u0026amp; REACH compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Photo Gallery\u003c\/h2\u003e\n\u003cp\u003eFULLERKREG DIN 128 Spring Lock Washers — product range overview:\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 1 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 2 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 3 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;text-align:center;padding:12px\"\u003e[ Photo 4 ]\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose FULLERKREG?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eDirect manufacturer\u003c\/strong\u003e — factory in China, no middlemen\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStrict DIN dimensional control\u003c\/strong\u003e — 100% inspection on critical dimensions\u003c\/li\u003e\n  \u003cli\u003e🌍 \u003cstrong\u003eGlobal export experience\u003c\/strong\u003e — serving distributors in Europe, North America, Southeast Asia\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eFlexible MOQ\u003c\/strong\u003e — small trial orders and large bulk shipments both welcome\u003c\/li\u003e\n  \u003cli\u003e📋 \u003cstrong\u003eFull documentation\u003c\/strong\u003e — material certs, hardness reports, RoHS declarations on request\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eFast lead times\u003c\/strong\u003e — standard sizes in stock, ready to ship\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eFULLERKREG Fasteners\u003c\/strong\u003e — Precision DIN Standard Fasteners, Direct from Manufacturer.\u003cbr\u003e\nFor wholesale inquiries, technical questions, or custom orders, please contact our sales team.\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/din-128-lock-washer-spring.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}