{"id":4132,"date":"2025-07-03T02:03:33","date_gmt":"2025-07-03T09:03:33","guid":{"rendered":"https:\/\/guxiangjs.com\/?post_type=product&#038;p=4132"},"modified":"2025-07-03T02:03:33","modified_gmt":"2025-07-03T09:03:33","slug":"retaining-washer-carbon-steel-external-teeth-lock-washer-serrated-external-design-anti-slip-vibration-resistant-rust-resistant-sturdy-fastener","status":"publish","type":"product","link":"https:\/\/guxiangjs.com\/zh\/shop\/retaining-washer-carbon-steel-external-teeth-lock-washer-serrated-external-design-anti-slip-vibration-resistant-rust-resistant-sturdy-fastener\/","title":{"rendered":"Retaining Washer Carbon Steel External Teeth Lock Washer -Serrated External Design-Anti Slip Vibration Resistant, Rust Resistant, Sturdy Fastener"},"content":{"rendered":"<ol>\n<li>High-Grip, Corrosion-Guarded Locking Performance<br \/>\n\u2022 Precision-stamped from 65 Mn spring steel and tempered to HRC 39-50 (\u2248 350\u2013500 HV), the washer\u2019s outward-facing serrations bite simultaneously into the fastener head and joint material, producing prevailing torque that cancels vibration-induced loosening without thread damage.<br \/>\n\u2022 A \u2265 8 \u00b5m electro-zinc layer sealed with trivalent passivation delivers \u2265 120 h neutral-salt-spray protection (ISO 9227); optional clear, yellow, black, olive, or custom RAL \/ Pantone powder top-coats push corrosion life past 1 000 h while providing instant visual coding.<br \/>\n\u2022 Tooth geometry\u201460\u00b0 flank angle and 0.25\u20130.45 mm height (M3\u2013M12 range)\u2014generates up to 30 % higher break-loose torque than flat spring washers of equal diameter, yet adds only 0.3\u20130.9 mm to the clamp stack.<br \/>\n\u2022 Meets locking criteria of DIN 6797 Type A (external-tooth), maintaining bite after repeated tighten\/loosen cycles and resisting temperatures from \u221250 \u00b0C to +300 \u00b0C.<\/li>\n<li>Cross-Industry Application Spectrum<br \/>\n\u2022 Electronics &amp; Consumer Devices: Keeps heatsink clips, PCB shields, and motor housings tight where low profile, electrical grounding through tooth contact, and colour-coded identification are valuable.<br \/>\n\u2022 Automotive, Powersports &amp; Mobility: Prevents back-off on body trim, lighting brackets, battery trays, and fairings subjected to road shock, engine vibration, and humidity.<br \/>\n\u2022 Machinery, Robotics &amp; Automation: Locks sensor mounts, guard plates, and cable glands, preserving positional accuracy during high-cycle duty, rapid axis reversals, and start-stop impacts.<br \/>\n\u2022 Construction, DIY &amp; Outdoor Equipment: Provides hidden anti-slip fastening for shelving rails, garden tools, HVAC housings, and solar-panel frames exposed to weather and mild chemicals.<\/li>\n<li>Installer-Friendly, Time-Saving Handling<br \/>\n\u2022 Symmetric external serrations self-center under screw or nut faces, eliminating the alignment concerns of wedge-lock pairs or split pins and speeding overhead or blind installation\u2014even with gloved hands.<br \/>\n\u2022 Flat-lay geometry prevents wobble on magnetic sockets and pick-and-place nozzles, improving automated feed reliability and boosting manual throughput.<br \/>\n\u2022 Supplied bulk-packed, in resealable field pouches, or on tape-and-reel strands for seamless integration with maintenance kits, bench stations, and high-speed assembly lines.<br \/>\n\u2022 Optional laser-etched size code (\u2265 M4) enables quick visual sorting, reducing kitting errors in multi-size work cells.<\/li>\n<li>Proven 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 hardness per ISO 16228; Cp\/Cpk data archived for ISO 9001 and IATF 16949 compliance.<br \/>\n\u2022 Stress-relief tempering minimises hydrogen embrittlement risk and preserves high spring modulus for enduring bite through multiple service cycles.<br \/>\n\u2022 Duplex-coated variants (zinc + epoxy powder) pass 1 000-h Q-SUN xenon exposure without flaking or colour shift, supporting long-term outdoor or chemical-plant use.<br \/>\n\u2022 QR-coded carton labels trace every washer lot to melt chemistry, plating batch, and inspection record, ensuring full transparency for safety-critical projects in infrastructure, aerospace, and medical equipment.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>High-Grip, Corrosion-Guarded Locking Performance \u2022 Precision-stamped from 65 Mn spring steel and tempered to HRC 39-50 (\u2248 350\u2013500 HV), the washer\u2019s outward-facing serrations bite simultaneously into the fastener head and joint material, producing prevailing torque that cancels vibration-induced loosening without thread damage. \u2022 A \u2265 8 \u00b5m electro-zinc layer sealed with trivalent passivation delivers \u2265 [&hellip;]<\/p>","protected":false},"featured_media":4133,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[176],"product_tag":[],"class_list":{"0":"post-4132","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\/4132","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=4132"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media\/4133"}],"wp:attachment":[{"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/media?parent=4132"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_brand?post=4132"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_cat?post=4132"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/guxiangjs.com\/zh\/wp-json\/wp\/v2\/product_tag?post=4132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}