{"title":"DIN 128B Lock Washer Spring – A2 Stainless","description":"\u003ch1\u003eDIN 128B Wavy Spring Lock Washer — A2 Stainless Steel (SUS304), Whitened \u0026amp; Passivated\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 128B wavy spring lock washers are manufactured to DIN 128 Type B standard in A2 stainless steel (SUS304 \/ 1.4301 \/ 0Cr18Ni9) with a whitened and passivated surface finish. DIN 128 Type B is a wavy (corrugated) spring washer featuring multiple waves around the ring circumference. The multi-wave profile generates distributed axial spring force with multi-point contact, providing anti-loosening performance while distributing load evenly across the bearing surface. A2 stainless steel provides excellent general corrosion resistance, non-magnetic properties, and food-safe compliance.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 128 Type B (Wavy Spring Lock Washer)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A2 Stainless Steel (SUS304 \/ 1.4301 \/ 0Cr18Ni9)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Whitened \u0026amp; Passivated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize Range:\u003c\/strong\u003e M2 – M36\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Type B — Wavy \/ corrugated (multiple waves, not single curved arc)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Multi-wave axial spring force — anti-loosening, distributed load, no surface marking\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNon-magnetic, non-sparking\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eRoHS \u0026amp; REACH Compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDimensional Specifications — DIN 128 Type B (Wavy), A2 Stainless\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in millimeters (mm). Per DIN 128 Type B.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNominal Size\u003c\/th\u003e\n\u003cth\u003eFor Bolt\u003c\/th\u003e\n\u003cth\u003ed1 min\u003c\/th\u003e\n\u003cth\u003ed2 max\u003c\/th\u003e\n\u003cth\u003eh min\u003c\/th\u003e\n\u003cth\u003eh max\u003c\/th\u003e\n\u003cth\u003es (thickness)\u003c\/th\u003e\n\u003cth\u003eb (width)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e2.1\u003c\/td\u003e\n\u003ctd\u003e4.4\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003ctd\u003eM2.3\u003c\/td\u003e\n\u003ctd\u003e2.4\u003c\/td\u003e\n\u003ctd\u003e4.9\u003c\/td\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e2.6\u003c\/td\u003e\n\u003ctd\u003e5.1\u003c\/td\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2.6\u003c\/td\u003e\n\u003ctd\u003eM2.6\u003c\/td\u003e\n\u003ctd\u003e2.7\u003c\/td\u003e\n\u003ctd\u003e5.2\u003c\/td\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e3.1\u003c\/td\u003e\n\u003ctd\u003e6.2\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e1.30\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003eM3.5\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003e6.7\u003c\/td\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003ctd\u003e1.30\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e4.1\u003c\/td\u003e\n\u003ctd\u003e7.6\u003c\/td\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003ctd\u003e1.40\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e5.1\u003c\/td\u003e\n\u003ctd\u003e9.2\u003c\/td\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003ctd\u003e1.70\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e6.1\u003c\/td\u003e\n\u003ctd\u003e11.8\u003c\/td\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003ctd\u003e2.20\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e8.1\u003c\/td\u003e\n\u003ctd\u003e14.8\u003c\/td\u003e\n\u003ctd\u003e2.45\u003c\/td\u003e\n\u003ctd\u003e2.75\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e10.2\u003c\/td\u003e\n\u003ctd\u003e18.1\u003c\/td\u003e\n\u003ctd\u003e2.85\u003c\/td\u003e\n\u003ctd\u003e3.35\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e12.2\u003c\/td\u003e\n\u003ctd\u003e21.1\u003c\/td\u003e\n\u003ctd\u003e3.35\u003c\/td\u003e\n\u003ctd\u003e3.65\u003c\/td\u003e\n\u003ctd\u003e2.1\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eM14\u003c\/td\u003e\n\u003ctd\u003e14.2\u003c\/td\u003e\n\u003ctd\u003e24.1\u003c\/td\u003e\n\u003ctd\u003e3.90\u003c\/td\u003e\n\u003ctd\u003e4.30\u003c\/td\u003e\n\u003ctd\u003e2.4\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003eM16\u003c\/td\u003e\n\u003ctd\u003e16.2\u003c\/td\u003e\n\u003ctd\u003e27.4\u003c\/td\u003e\n\u003ctd\u003e4.50\u003c\/td\u003e\n\u003ctd\u003e5.10\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003eM18\u003c\/td\u003e\n\u003ctd\u003e18.2\u003c\/td\u003e\n\u003ctd\u003e26.4\u003c\/td\u003e\n\u003ctd\u003e4.50\u003c\/td\u003e\n\u003ctd\u003e5.10\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003ctd\u003e20.2\u003c\/td\u003e\n\u003ctd\u003e33.6\u003c\/td\u003e\n\u003ctd\u003e5.10\u003c\/td\u003e\n\u003ctd\u003e5.90\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003eM22\u003c\/td\u003e\n\u003ctd\u003e22.5\u003c\/td\u003e\n\u003ctd\u003e35.9\u003c\/td\u003e\n\u003ctd\u003e5.10\u003c\/td\u003e\n\u003ctd\u003e5.90\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003eM24\u003c\/td\u003e\n\u003ctd\u003e24.5\u003c\/td\u003e\n\u003ctd\u003e40.0\u003c\/td\u003e\n\u003ctd\u003e6.50\u003c\/td\u003e\n\u003ctd\u003e7.50\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003eM27\u003c\/td\u003e\n\u003ctd\u003e27.5\u003c\/td\u003e\n\u003ctd\u003e43.0\u003c\/td\u003e\n\u003ctd\u003e6.50\u003c\/td\u003e\n\u003ctd\u003e7.50\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003eM30\u003c\/td\u003e\n\u003ctd\u003e30.5\u003c\/td\u003e\n\u003ctd\u003e48.2\u003c\/td\u003e\n\u003ctd\u003e9.50\u003c\/td\u003e\n\u003ctd\u003e10.50\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003ctd\u003eM36\u003c\/td\u003e\n\u003ctd\u003e36.5\u003c\/td\u003e\n\u003ctd\u003e58.2\u003c\/td\u003e\n\u003ctd\u003e10.30\u003c\/td\u003e\n\u003ctd\u003e11.30\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e10.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eAll dimensions in mm per DIN 128 Type B. s = material thickness; b = ring width; h = free height (wavy profile height). Please verify with your engineering team for critical applications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDIN 128 Type B vs. Type A — Key Differences\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDIN 128 Type B (Wavy)\u003c\/th\u003e\n\u003cth\u003eDIN 128 Type A (Curved)\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\u003eWavy \/ corrugated (multiple waves)\u003c\/td\u003e\n\u003ctd\u003eSingle curved arc\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eContact points\u003c\/td\u003e\n\u003ctd\u003eMulti-point contact\u003c\/td\u003e\n\u003ctd\u003eContinuous curved contact\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSpring action\u003c\/td\u003e\n\u003ctd\u003eDistributed multi-wave spring force\u003c\/td\u003e\n\u003ctd\u003eAxial spring via single curve\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLoad distribution\u003c\/td\u003e\n\u003ctd\u003eMulti-point, more uniform\u003c\/td\u003e\n\u003ctd\u003eEven, smooth bearing surface\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTypical use\u003c\/td\u003e\n\u003ctd\u003eGeneral bolted assemblies, light loads\u003c\/td\u003e\n\u003ctd\u003eCheese head \u0026amp; pan head screws\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDIN 128B vs. DIN 127B — Key Differences\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDIN 128 Type B (Wavy)\u003c\/th\u003e\n\u003cth\u003eDIN 127 Type B (Helical Split)\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\u003eWavy corrugated ring\u003c\/td\u003e\n\u003ctd\u003eHelical split ring\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAnti-loosening mechanism\u003c\/td\u003e\n\u003ctd\u003eMulti-wave spring force only\u003c\/td\u003e\n\u003ctd\u003eSpring force + bite-in effect\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSurface damage\u003c\/td\u003e\n\u003ctd\u003eMinimal — no sharp edges\u003c\/td\u003e\n\u003ctd\u003eMarks bearing surface (sharp edges)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003eLight to medium\u003c\/td\u003e\n\u003ctd\u003eMedium to heavy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTypical use\u003c\/td\u003e\n\u003ctd\u003eSoft materials, coated surfaces, light assemblies\u003c\/td\u003e\n\u003ctd\u003eGeneral heavy-duty assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMaterial \u0026amp; Mechanical Properties — A2 Stainless Steel (SUS304)\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial Grade\u003c\/td\u003e\n\u003ctd\u003eA2 \/ SUS304 \/ 1.4301 \/ 0Cr18Ni9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCr Content\u003c\/td\u003e\n\u003ctd\u003e17.5 – 19.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNi Content\u003c\/td\u003e\n\u003ctd\u003e8.0 – 10.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd\u003eWhitened \u0026amp; Passivated\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMagnetic\u003c\/td\u003e\n\u003ctd\u003eNon-magnetic (austenitic)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-196°C to +300°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent — atmospheric, fresh water, mild chemicals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRoHS \/ REACH\u003c\/td\u003e\n\u003ctd\u003eCompliant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral bolted assemblies\u003c\/strong\u003e — light to medium load anti-loosening without surface damage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoft material assemblies\u003c\/strong\u003e — aluminum, plastic, coated surfaces where sharp edges must be avoided\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFood \u0026amp; beverage processing equipment\u003c\/strong\u003e — A2 stainless, food-safe, easy to clean\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedical \u0026amp; pharmaceutical equipment\u003c\/strong\u003e — non-magnetic, corrosion-free\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronics \u0026amp; precision instruments\u003c\/strong\u003e — non-magnetic, no surface marking\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutdoor \u0026amp; architectural hardware\u003c\/strong\u003e — excellent atmospheric corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlumbing \u0026amp; HVAC systems\u003c\/strong\u003e — fresh water and mild chemical resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Photo Gallery\u003c\/h2\u003e\n\u003cp\u003eFULLERKREG DIN 128B Wavy Spring Lock Washer, A2 Stainless Steel:\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, RoHS declarations, test reports available\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\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is DIN 128 Type B?\u003c\/strong\u003e\u003cbr\u003e\nA: DIN 128 Type B is a wavy (corrugated) spring lock washer. The ring has multiple waves around its circumference, generating distributed axial spring force with multi-point contact. Unlike DIN 127B (helical split with sharp edges), DIN 128B has no sharp edges and does not mark bearing surfaces.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between DIN 128A and DIN 128B?\u003c\/strong\u003e\u003cbr\u003e\nA: DIN 128A is curved (single arc), DIN 128B is wavy (multiple corrugations). Both share the same dimensions but differ in profile. Type B provides more distributed multi-point contact; Type A provides a single smooth curved contact.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: When to use DIN 128B vs. DIN 127B?\u003c\/strong\u003e\u003cbr\u003e\nA: Use DIN 128B when surface marking must be avoided (soft materials, coated surfaces, anodized aluminum). Use DIN 127B for heavier loads where the bite-in effect is needed for stronger anti-loosening performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is A2 stainless steel food-safe?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. A2 (SUS304) is widely used in food processing and pharmaceutical equipment. Non-toxic, easy to clean, resistant to most food-contact environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you provide material test certificates?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Mill certificates, chemical composition reports, and dimensional inspection reports are available upon request.\u003c\/p\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-128b-lock-washer-spring-a2-stainless.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}