{"title":"DIN 434 Square Beveled Washer(8%) (For Channels) - HDG","description":"\u003ch1\u003eDIN 434 Square Beveled Washer (8%) for Channels — Low Carbon Steel, Hot-Dip Galvanized (HDG)\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 434 square beveled washers are manufactured to DIN 434 standard in low carbon steel with hot-dip galvanizing (HDG) per ISO 1461. DIN 434 is a square taper washer with an 8% bevel (approximately 4.6°) specifically designed for use with steel channels (UPN \/ UPE \/ C-sections). The tapered profile compensates for the natural inward slope of the channel flange, ensuring the bolt head or nut bears flat and evenly — eliminating bending stress on the bolt shank and ensuring correct structural bolt behavior. Hot-dip galvanizing provides a thick, metallurgically bonded zinc coating (45–85 μm per ISO 1461) with excellent long-term corrosion protection — the industry-standard surface treatment for structural steelwork in outdoor and exposed environments.\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 434 (Square Taper Washer, 8% Bevel, for Channels)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Low Carbon Steel (Q235 \/ S235 equivalent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Hot-Dip Galvanizing (HDG) per ISO 1461\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZinc Coating Thickness:\u003c\/strong\u003e 45–85 μm (metallurgically bonded)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize Range:\u003c\/strong\u003e M10 – M36\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBevel angle:\u003c\/strong\u003e 8% (approx. 4.6°) — matches standard channel flange taper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Compensates channel flange slope — ensures flat bearing, eliminates bolt bending stress\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUsed with:\u003c\/strong\u003e UPN \/ UPE \/ C-section steel channels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCathodic protection:\u003c\/strong\u003e HDG zinc sacrificially protects base steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry standard\u003c\/strong\u003e for structural steelwork in outdoor environments\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 434 Square Beveled Washer (8%), Low Carbon Steel HDG\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in millimeters (mm). Per DIN 434. Note: HDG adds 45–85 μm per surface.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eFor Thread\u003c\/th\u003e\n\u003cth\u003ed1 (hole)\u003c\/th\u003e\n\u003cth\u003eA (side length)\u003c\/th\u003e\n\u003cth\u003eC (thin end)\u003c\/th\u003e\n\u003cth\u003eE (thick end)\u003c\/th\u003e\n\u003cth\u003eWeight kg\/100pcs\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e5.4\u003c\/td\u003e\n\u003ctd\u003e0.62\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e13.5\u003c\/td\u003e\n\u003ctd\u003e37\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003ctd\u003e1.19\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM16\u003c\/td\u003e\n\u003ctd\u003e17.5\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e8.1\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e52\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e9.2\u003c\/td\u003e\n\u003ctd\u003e3.1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM22\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e56\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e3.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM24\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e62\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003e10.5\u003c\/td\u003e\n\u003ctd\u003e5.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM27\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e72\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e11.8\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM30\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e78\u003c\/td\u003e\n\u003ctd\u003e6.5\u003c\/td\u003e\n\u003ctd\u003e12.9\u003c\/td\u003e\n\u003ctd\u003e10.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM36\u003c\/td\u003e\n\u003ctd\u003e39\u003c\/td\u003e\n\u003ctd\u003e92\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003ctd\u003e14.4\u003c\/td\u003e\n\u003ctd\u003e17.0\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 434. d1 = inner hole diameter; A = square side length; C = minimum thickness (thin end); E = maximum thickness (thick end). Bevel = 8% (approx. 4.6°). HDG adds 45–85 μm per surface.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDIN 434 vs. DIN 435 — Key Differences\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDIN 434 (For Channels)\u003c\/th\u003e\n\u003cth\u003eDIN 435 (For I-Beams)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDesigned for\u003c\/td\u003e\n\u003ctd\u003eSteel channels (UPN \/ UPE \/ C-section)\u003c\/td\u003e\n\u003ctd\u003eI-beams \/ H-beams (IPE \/ HEA \/ HEB)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBevel\u003c\/td\u003e\n\u003ctd\u003e8% (approx. 4.6°)\u003c\/td\u003e\n\u003ctd\u003e14% (approx. 8.0°)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlange taper compensated\u003c\/td\u003e\n\u003ctd\u003eChannel flange (shallower taper)\u003c\/td\u003e\n\u003ctd\u003eI-beam flange (steeper taper)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHDG vs. Stainless Steel — Surface Treatment Comparison\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eHDG (This Product)\u003c\/th\u003e\n\u003cth\u003eA2 Stainless (SUS304)\u003c\/th\u003e\n\u003cth\u003eA4 Stainless (SUS316)\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCoating type\u003c\/td\u003e\n\u003ctd\u003eHot-dip zinc (metallurgically bonded)\u003c\/td\u003e\n\u003ctd\u003ePassive oxide layer\u003c\/td\u003e\n\u003ctd\u003ePassive oxide layer + Mo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eZinc thickness\u003c\/td\u003e\n\u003ctd\u003e45–85 μm\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCathodic protection\u003c\/td\u003e\n\u003ctd\u003eYes — zinc sacrifices to protect steel\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCorrosion resistance\u003c\/td\u003e\n\u003ctd\u003eExcellent — outdoor structural\u003c\/td\u003e\n\u003ctd\u003eGood — general outdoor\u003c\/td\u003e\n\u003ctd\u003eExcellent — marine grade\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCost\u003c\/td\u003e\n\u003ctd\u003eMost economical for structural use\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003eHigher\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eHeavy-duty outdoor structural steelwork\u003c\/td\u003e\n\u003ctd\u003eGeneral outdoor, food-safe\u003c\/td\u003e\n\u003ctd\u003eMarine, coastal, seawater\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eHot-Dip Galvanizing (HDG) — Technical Details\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\u003eProcess Standard\u003c\/td\u003e\n\u003ctd\u003eISO 1461\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eZinc Coating Thickness\u003c\/td\u003e\n\u003ctd\u003e45–85 μm (metallurgically bonded Fe-Zn alloy layers)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCathodic protection\u003c\/td\u003e\n\u003ctd\u003eYes — zinc sacrificially protects base steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSelf-healing\u003c\/td\u003e\n\u003ctd\u003eYes — zinc oxide forms at cut edges and scratches\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eExpected service life\u003c\/td\u003e\n\u003ctd\u003e25–50+ years in typical outdoor environments\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +200°C\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\u003eStructural steelwork — channel connections\u003c\/strong\u003e — UPN\/UPE bolted joints in outdoor steel structures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBridges \u0026amp; civil infrastructure\u003c\/strong\u003e — channel connections requiring long-term outdoor durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial buildings \u0026amp; warehouses\u003c\/strong\u003e — steel frame channel connections in exposed environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransmission towers \u0026amp; pylons\u003c\/strong\u003e — HDG standard for outdoor high-voltage infrastructure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoastal \u0026amp; port structures\u003c\/strong\u003e — HDG for salt air environments (non-direct seawater)\n  \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAgricultural \u0026amp; rural structures\u003c\/strong\u003e — steel channel frames in humid outdoor conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGeneral outdoor structural steelwork\u003c\/strong\u003e — wherever HDG is specified for channel bolted connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Photo Gallery\u003c\/h2\u003e\n\u003cp\u003eFULLERKREG DIN 434 Square Beveled Washer (8%), Low Carbon Steel, Hot-Dip Galvanized:\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 and bevel angle\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, HDG inspection reports, RoHS declarations 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 434?\u003c\/strong\u003e\u003cbr\u003e\nA: DIN 434 is a square taper washer with an 8% bevel (approx. 4.6°) designed for use with steel channels (UPN\/UPE\/C-sections). The tapered profile compensates the natural inward slope of the channel flange, ensuring the bolt head or nut bears flat and evenly, eliminating bending stress on the bolt shank.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between DIN 434 and DIN 435?\u003c\/strong\u003e\u003cbr\u003e\nA: DIN 434 (8% bevel) is for steel channels (UPN\/UPE) with a shallower flange taper. DIN 435 (14% bevel) is for I-beams and H-beams (IPE\/HEA\/HEB) with a steeper flange taper. Always match the washer bevel to the section type.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is hot-dip galvanizing (HDG)?\u003c\/strong\u003e\u003cbr\u003e\nA: Hot-dip galvanizing immerses steel in molten zinc at approximately 450°C, forming a metallurgically bonded zinc-iron alloy coating (45–85 μm per ISO 1461). The zinc provides cathodic protection and is self-healing at cut edges, giving 25–50+ years service life in typical outdoor environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does HDG coating affect the bevel angle?\u003c\/strong\u003e\u003cbr\u003e\nA: The HDG coating (45–85 μm) has negligible effect on the 8% bevel angle for structural applications. The bevel is machined into the base steel before galvanizing and is maintained within DIN 434 tolerances after coating.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you provide material test certificates?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Mill certificates, HDG coating thickness inspection reports, and RoHS declarations 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-434-square-beveled-washer8-for-channels-hdg.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}