{"title":"Ribbed Safety Lock Washer S Series - Regular Duty A4 Stainless Steel","description":"\u003ch1\u003eRibbed Safety Lock Washer S Series - Regular Duty | A4 Stainless Steel (SUS316)\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG Ribbed Safety Lock Washers S Series (Regular Duty) in \u003cstrong\u003eA4 Stainless Steel (SUS316 \/ 1.4401)\u003c\/strong\u003e conform to \u003cstrong\u003eDIN 9250 Type S\u003c\/strong\u003e. These conical washers feature fine radial ribs on both bearing faces. Under bolt load, the conical profile flattens elastically to maintain clamp force, while the ribs grip mating surfaces to prevent rotation and self-loosening - ideal for marine, chemical, and high-corrosion environments where A2 grade is insufficient.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 9250 Type S (Schnorr-type ribbed safety lock washer, Regular Duty)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e S - Regular Duty (standard wall thickness and cone height)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A4 Stainless Steel (SUS316 \/ 1.4401)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Passivated \u0026amp; Whitened\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Range:\u003c\/strong\u003e M1.6 - M30\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSerration:\u003c\/strong\u003e Fine radial ribs on both top and bottom faces\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Anti-loosening, vibration resistance, elastic pre-load retention\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlso known as:\u003c\/strong\u003e Schnorr washer, conical spring washer, Belleville lock washer, toothed conical washer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDimensional Data - DIN 9250 Type S Regular Duty (A4 Stainless Steel)\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in \u003cstrong\u003emm\u003c\/strong\u003e. Data per DIN 9250 Type S standard.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eThread Size\u003c\/th\u003e\n      \u003cth\u003eInner Dia. d1\u003c\/th\u003e\n      \u003cth\u003eOuter Dia. d2\u003c\/th\u003e\n      \u003cth\u003eThickness s\u003c\/th\u003e\n      \u003cth\u003eHeight h (Min)\u003c\/th\u003e\n      \u003cth\u003eHeight h (Max)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM1.6\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003ctd\u003e0.3\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e2.7\u003c\/td\u003e\n\u003ctd\u003e4.8\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3.5\u003c\/td\u003e\n\u003ctd\u003e3.7\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e4.3\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e0.9\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e5.3\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e0.6\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e6.4\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM6.35\u003c\/td\u003e\n\u003ctd\u003e6.7\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM7\u003c\/td\u003e\n\u003ctd\u003e7.4\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e8.4\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e10.5\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM11\u003c\/td\u003e\n\u003ctd\u003e11.6\u003c\/td\u003e\n\u003ctd\u003e15.5\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12.7\u003c\/td\u003e\n\u003ctd\u003e13.7\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM14\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e1.2\u003c\/td\u003e\n\u003ctd\u003e1.9\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM16\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e1.3\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e2.1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM18\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003ctd\u003e2.4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM22\u003c\/td\u003e\n\u003ctd\u003e23\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e2.4\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM24\u003c\/td\u003e\n\u003ctd\u003e25.6\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003ctd\u003e2.6\u003c\/td\u003e\n\u003ctd\u003e2.7\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM25.4\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e2.7\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM27\u003c\/td\u003e\n\u003ctd\u003e28.6\u003c\/td\u003e\n\u003ctd\u003e39\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003ctd\u003e2.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM30\u003c\/td\u003e\n\u003ctd\u003e31.6\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e3.1\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: All A4 Stainless Steel fasteners may exhibit slight magnetic properties due to cold forming. Refer to ISO 3506-2 Annex I. For sizes M33 and above, please contact FULLERKREG for availability.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eA4 vs A2 - Which Grade Should You Choose?\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eA2 (SUS304)\u003c\/th\u003e\n      \u003cth\u003eA4 (SUS316) - This Page\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBase Alloy\u003c\/td\u003e\n\u003ctd\u003e18% Cr, 8% Ni\u003c\/td\u003e\n\u003ctd\u003e16% Cr, 10% Ni, 2% Mo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMolybdenum Content\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003e2-3% - key for chloride resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n\u003ctd\u003eGood - indoor \/ mild outdoor\u003c\/td\u003e\n\u003ctd\u003eExcellent - marine, chemical, coastal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChloride Resistance\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003ctd\u003eSuperior (pitting and crevice corrosion)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRecommended Environment\u003c\/td\u003e\n\u003ctd\u003eGeneral industrial\u003c\/td\u003e\n\u003ctd\u003eMarine, food processing, chemical plant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSelection Guide - S Series vs VS Series\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSeries\u003c\/th\u003e\n      \u003cth\u003eDuty\u003c\/th\u003e\n      \u003cth\u003eWall Thickness\u003c\/th\u003e\n      \u003cth\u003eCone Height\u003c\/th\u003e\n      \u003cth\u003eSpring Force\u003c\/th\u003e\n      \u003cth\u003eBest For\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eS (this page)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRegular Duty\u003c\/td\u003e\n      \u003ctd\u003eStandard\u003c\/td\u003e\n      \u003ctd\u003eStandard\u003c\/td\u003e\n      \u003ctd\u003eMedium\u003c\/td\u003e\n      \u003ctd\u003eGeneral industrial, standard bolt loads\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVS\u003c\/td\u003e\n      \u003ctd\u003eHeavy Duty\u003c\/td\u003e\n      \u003ctd\u003eThicker\u003c\/td\u003e\n      \u003ctd\u003eHigher\u003c\/td\u003e\n      \u003ctd\u003eHigh\u003c\/td\u003e\n      \u003ctd\u003eHeavy machinery, high pre-load, severe vibration\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHow It Works - Schnorr Ribbed Safety Lock Washer\u003c\/h2\u003e\n\n\u003cp\u003eThe S Series washer operates on two simultaneous locking mechanisms:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e🔩 \u003cstrong\u003eConical spring action\u003c\/strong\u003e - the cone profile stores elastic energy under bolt load. As the bolt tends to loosen, the washer pushes back, maintaining clamp force and preventing loss of pre-load.\u003c\/li\u003e\n  \u003cli\u003e🔒 \u003cstrong\u003eRadial rib grip\u003c\/strong\u003e - fine ribs on both faces bite into the bolt head\/nut bearing surface and the joint surface, creating mechanical resistance to rotation in both directions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWashers can be stacked \u003cstrong\u003ein the same direction\u003c\/strong\u003e to multiply spring force, or \u003cstrong\u003ein opposite directions\u003c\/strong\u003e (back-to-back) to increase deflection range while maintaining locking grip.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eStandard \u0026amp; Compliance\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDIN 9250\u003c\/strong\u003e specifies ribbed safety lock washers (Schnorr-type) in two series:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType S\u003c\/strong\u003e - Regular Duty (standard dimensions, this page)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType VS\u003c\/strong\u003e - Heavy Duty (increased thickness and cone height)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDIN 9250 is functionally equivalent to and cross-referenced with:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNFE 25-511 (French standard, serrated conical washers)\u003c\/li\u003e\n  \u003cli\u003eISO 10673 (plain washers, related geometry)\u003c\/li\u003e\n  \u003cli\u003eSchnorr original specification (industry reference)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFULLERKREG washers are manufactured to full DIN 9250 Type S dimensional compliance. Material certification (EN 10204 3.1) available on request for bulk orders.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMaterial \u0026amp; Surface Specification\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial Grade\u003c\/td\u003e\n\u003ctd\u003eA4 Stainless Steel (SUS316 \/ 1.4401)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd\u003ePassivated \u0026amp; Whitened\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent - suitable for marine, coastal, and chemical environments\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMagnetic Properties\u003c\/td\u003e\n\u003ctd\u003eSlightly magnetic after cold forming (per ISO 3506-2 Annex I)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-196°C to +300°C (continuous service)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRoHS Compliant\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Technical Advantages\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e🔩 \u003cstrong\u003eDual locking mechanism\u003c\/strong\u003e - conical spring pre-load + radial rib grip on both faces\u003c\/li\u003e\n  \u003cli\u003e🔄 \u003cstrong\u003eReusable\u003c\/strong\u003e - washers retain locking strength if not deformed or damaged during removal\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eElectrical conductivity\u003c\/strong\u003e - ribs penetrate oxide layers for reliable grounding and bonding\u003c\/li\u003e\n  \u003cli\u003e🌊 \u003cstrong\u003eSuperior corrosion resistance\u003c\/strong\u003e - A4\/SUS316 with molybdenum for marine and chemical environments\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003ePrecision manufactured\u003c\/strong\u003e - tight dimensional tolerances per DIN 9250\u003c\/li\u003e\n  \u003cli\u003e🔀 \u003cstrong\u003eStackable\u003c\/strong\u003e - stack same-direction for higher force; back-to-back for greater deflection\u003c\/li\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eBulk supply ready\u003c\/strong\u003e - available in bags, boxes, and custom packaging for production lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMarine and offshore structures, deck fittings, and hull assemblies\u003c\/li\u003e\n  \u003cli\u003eCoastal and waterfront construction\u003c\/li\u003e\n  \u003cli\u003eFood processing equipment and pharmaceutical machinery\u003c\/li\u003e\n  \u003cli\u003eChemical plant pipework and pressure vessels\u003c\/li\u003e\n  \u003cli\u003eSwimming pool and water treatment installations\u003c\/li\u003e\n  \u003cli\u003eElectrical cabinets in humid or corrosive environments\u003c\/li\u003e\n  \u003cli\u003eRail and transportation equipment in salt-spray zones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Gallery\u003c\/h2\u003e\n\u003cp\u003eRibbed Safety Lock Washer S Series Regular Duty - A4 Stainless Steel\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Image 1 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Image 2 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Image 3 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Image 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\n\u003cp\u003e\n  🏆 \u003cstrong\u003eStandard Compliance\u003c\/strong\u003e - Full DIN 9250 Type S dimensional conformance, with NFE 25-511 cross-reference support\u003cbr\u003e\n  🔬 \u003cstrong\u003eMaterial Traceability\u003c\/strong\u003e - EN 10204 3.1 mill certificates available for A4 grade\u003cbr\u003e\n  📦 \u003cstrong\u003eFlexible MOQ\u003c\/strong\u003e - Small batch samples to full production quantities; custom packaging available\u003cbr\u003e\n  🌍 \u003cstrong\u003eGlobal Shipping\u003c\/strong\u003e - Reliable export logistics to Europe, North America, Southeast Asia, and beyond\u003cbr\u003e\n  💬 \u003cstrong\u003eTechnical Support\u003c\/strong\u003e - Engineering team available for selection guidance, stacking calculations, and custom specifications\u003cbr\u003e\n  ⚙️ \u003cstrong\u003eBroad Range\u003c\/strong\u003e - S Series and VS Series available in A2, A4 stainless steel and 65Mn spring steel grades\n\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/ribbed-safety-lock-washer-s-series-regular-duty-a4-stainless-steel.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}