{"id":4180,"date":"2025-06-30T01:15:52","date_gmt":"2025-06-30T08:15:52","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&p=4180"},"modified":"2025-06-30T01:15:52","modified_gmt":"2025-06-30T08:15:52","slug":"din434-groove-gasket-beveled-square-washer-carbon-steel-taper-washers-double-groove-gasket","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/shop\/din434-groove-gasket-beveled-square-washer-carbon-steel-taper-washers-double-groove-gasket\/","title":{"rendered":"DIN434 Groove Gasket-Beveled Square Washer-Carbon Steel Taper Washers Double Groove Gasket"},"content":{"rendered":"
    \n
  1. Precision-Beveled, High-Strength Performance
    \n\u2022 Engineered to DIN 434 geometry in heat-treated carbon or alloy steel, each square washer has an integral 8 % slope and a central longitudinal groove that seats cleanly on tapered flanges of I- and U-channels, restoring full, flat bearing for Class 8.8-12.9 bolting.
    \n\u2022 Core hardness 32 \u2013 40 HRC and a broad square footprint spread clamp force, preventing bolt-head pull-through and flange distortion under static loads above 300 kN.
    \n\u2022 A \u2265 8 \u00b5m electro-zinc layer with trivalent passivation shields the steel for \u2265 120 h neutral salt-spray; optional duplex (zinc + epoxy) coatings extend endurance to 1 000 h and can be tinted clear, yellow, black, olive, or any RAL\/Pantone tone without altering the friction factor.
    \n\u2022 Precision-ground contact faces (Ra \u2264 1.6 \u00b5m) and deburred edges eliminate stress risers, ensuring long-term integrity in structures subject to vibration, shock, or temperature cycling.<\/li>\n
  2. Broad, Cross-Industry Application Spectrum
    \n\u2022 Structural Steel & Civil Engineering: Levels purlins, girts, and splice plates on pitched roof trusses, bridge stringers, and crane runways, guaranteeing design load transfer into the frame.
    \n\u2022 Rail, Truck & Heavy Equipment: Aligns guard-rail shoes, suspension brackets, and engine mounts where factory-machined shims are impractical.
    \n\u2022 Energy, Telecom & Utilities: Squares solar-panel rails, wind-tower brackets, and antenna mounts on tapered monopoles or lattice towers, keeping preload stable despite fluctuating wind loads.
    \n\u2022 Machinery Bases & Skids: Corrects foot-pad angles on compressors, pumps, and generator sets mounted to channel or I-beam skids, preventing uneven gasket compression and shaft misalignment.<\/li>\n
  3. Installer-Friendly, Time-Saving Handling
    \n\u2022 One-piece bevel and groove replace loose wedge pairs\u2014orient the thick edge outward, snug the nut, and the washer self-levels the joint; no on-site machining or stacked shims required.
    \n\u2022 Square geometry resists rotation during tightening, simplifying overhead or blind-side assembly, while oversized centre holes accommodate hot-dip-galvanized or painted bolts without binding.
    \n\u2022 Sizes M8\u2013M30 carry laser-etched markings indicating nominal diameter and bevel angle for instant visual confirmation; colour-coded coatings support quick size selection and kitting.
    \n\u2022 Smooth bearing faces provide predictable, lubricant-free friction coefficients, enabling accurate torque-to-tension conversion with standard tooling.<\/li>\n
  4. Certified Quality & Long-Term Durability
    \n\u2022 100 % optical inspection verifies squareness \u2264 0.05 mm, bevel angle \u00b1 0.25 \u00b0, inner-hole concentricity \u2264 0.05 mm, and parallelism of load faces \u2264 0.03 mm; Cp\/Cpk \u2265 1.67 data are archived for ISO 9001, IATF 16949, and EN 1090 compliance.
    \n\u2022 Shot-peen finishing introduces compressive residual stress that boosts fatigue strength; duplex-coated variants withstand 1 000 h xenon-arc weathering and 200 \u00b0C bake cycles without flaking or colour shift.
    \n\u2022 Accelerated testing\u2014500 h cyclic humidity, 100 freeze-thaw cycles, and 2 \u00d7 10\u2076 vibration pulses at 60 % of proof load\u2014shows \u2265 95 % preload retention and zero coating delamination.
    \n\u2022 Lot numbers on QR-coded packaging link melt chemistry, heat-treat curves, coating records, and inspection certificates, giving engineers full traceability for safety-critical structures across industries.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

    Precision-Beveled, High-Strength Performance \u2022 Engineered to DIN 434 geometry in heat-treated carbon or alloy steel, each square washer has an integral 8 % slope and a central longitudinal groove that seats cleanly on tapered flanges of I- and U-channels, restoring full, flat bearing for Class 8.8-12.9 bolting. \u2022 Core hardness 32 \u2013 40 HRC and […]<\/p>","protected":false},"featured_media":4181,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":{"0":"post-4180","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-washer","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product\/4180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/comments?post=4180"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/4181"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=4180"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4180"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4180"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}