{"id":4153,"date":"2025-06-30T20:46:47","date_gmt":"2025-07-01T03:46:47","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&#038;p=4153"},"modified":"2025-06-30T20:46:47","modified_gmt":"2025-07-01T03:46:47","slug":"din9250-carbon-steel-lock-washers-with-doule-faced-printing-double-sided-lock-washer","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/shop\/din9250-carbon-steel-lock-washers-with-doule-faced-printing-double-sided-lock-washer\/","title":{"rendered":"DIN9250 Carbon Steel Lock Washers With Doule Faced Printing Double-sided Lock Washer"},"content":{"rendered":"<ol>\n<li>High-Grip, Self-Locking Performance<br \/>\n\u2022 Precision-stamped to DIN 9250 from quenched-and-tempered alloy \/ carbon steel (typical hardness 38 \u2013 45 HRC), the flat disk carries sharply formed radial teeth on both faces. These teeth penetrate paint, oxide, or plating layers and create a micro-interference fit that blocks loosening from vibration, shock, or thermal cycling.<br \/>\n\u2022 Dual-sided serrations transmit symmetrical bite, preventing fretting and clamp-force decay even when the joint is reversed or the washer is flipped during service.<br \/>\n\u2022 Standard \u2265 8 \u00b5m electro-zinc coating with trivalent passivation provides \u2265 120 h neutral salt-spray protection (ISO 9227); optional clear, yellow, black, olive, or any RAL \/ Pantone top-coat pushes corrosion resistance past 1 000 h while enabling visual circuit or size coding.<br \/>\n\u2022 Retains \u2265 88 % of initial preload after 1 000 Junker transverse-vibration cycles and maintains contact resistance below 20 m\u03a9 where electrical bonding is required.<\/li>\n<li>Broad, Cross-Industry Application Spectrum<br \/>\n\u2022 Electrical Panels &amp; Switchgear: Bonds door skins, hinge leaves, and bus-bar brackets, eliminating static build-up and EMI leakage.<br \/>\n\u2022 Automotive, Rail &amp; Off-Road Vehicles: Locks seat-rail fasteners, sensor brackets, and chassis ground straps exposed to road shock, impact, and weather cycles.<br \/>\n\u2022 Machinery, Robotics &amp; Automation: Secures servo-motor mounts, linear-guide clamps, and enclosure lids that endure rapid acceleration and high cycle counts.<br \/>\n\u2022 Renewable-Energy &amp; Infrastructure: Maintains torque on inverter housings, battery cabinets, and telecom towers where stainless alternatives are unnecessary but reliable anti-slip fastening is critical.<\/li>\n<li>Installer-Friendly, Time-Saving Handling<br \/>\n\u2022 Flat, symmetric profile requires no orientation; technicians simply place and tighten\u2014ideal for blind, overhead, or glove-on assembly.<br \/>\n\u2022 Compatible with standard hex, socket, or flange heads; use the same torque charts as plain washers, so no recalculations or special tools are needed.<br \/>\n\u2022 Low added stack height (\u2248 1 mm for M8 equivalent) allows retrofit without longer bolts or deeper counterbores, preserving existing design envelopes.<br \/>\n\u2022 Available loose in cartons, resealable pouches, or tape-and-reel strips for seamless use in field toolkits, line-side bins, and automated pick-and-place feeders.<\/li>\n<li>Verified Quality &amp; Long-Term Durability<br \/>\n\u2022 100 % optical inspection verifies tooth height \u00b1 0.02 mm, concentricity \u2264 0.05 mm TIR, and flatness within 0.03 mm; Cp\/Cpk \u2265 1.33 records align with ISO 9001, IATF 16949, and AS 9100 quality systems.<br \/>\n\u2022 Post-plating hydrogen-relief bake safeguards against embrittlement, preserving tensile strength for safety-critical joints.<br \/>\n\u2022 Duplex variants (zinc + epoxy powder) withstand 1 000-h xenon-arc weathering without colour shift or flaking, ensuring longevity in outdoor or mildly chemical environments.<br \/>\n\u2022 QR-coded packaging links every lot to melt chemistry, heat-treat, plating batch, and mechanical test reports, delivering full traceability and confidence for aerospace, medical-device, and infrastructure projects.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>High-Grip, Self-Locking Performance \u2022 Precision-stamped to DIN 9250 from quenched-and-tempered alloy \/ carbon steel (typical hardness 38 \u2013 45 HRC), the flat disk carries sharply formed radial teeth on both faces. These teeth penetrate paint, oxide, or plating layers and create a micro-interference fit that blocks loosening from vibration, shock, or thermal cycling. \u2022 Dual-sided [&hellip;]<\/p>","protected":false},"featured_media":4154,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":{"0":"post-4153","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\/4153","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=4153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/4154"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=4153"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4153"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4153"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}