{"id":10621,"date":"2026-01-22T16:31:11","date_gmt":"2026-01-22T08:31:11","guid":{"rendered":"https:\/\/sunhyings.com\/?page_id=10621"},"modified":"2026-01-28T16:06:16","modified_gmt":"2026-01-28T08:06:16","slug":"toothed-lock-washers","status":"publish","type":"page","link":"https:\/\/sunhyings.com\/de\/fasteners\/washers\/toothed-lock-washers\/","title":{"rendered":"Zahnscheiben"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"10621\" class=\"elementor elementor-10621\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-74d914d5 e-flex e-con-boxed e-con e-parent\" data-id=\"74d914d5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;shape_divider_bottom&quot;:&quot;opacity-tilt&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-shape elementor-shape-bottom\" aria-hidden=\"true\" data-negative=\"false\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 2600 131.1\" preserveAspectRatio=\"none\">\n\t<path class=\"elementor-shape-fill\" d=\"M0 0L2600 0 2600 69.1 0 0z\"\/>\n\t<path class=\"elementor-shape-fill\" style=\"opacity:0.5\" d=\"M0 0L2600 0 2600 69.1 0 69.1z\"\/>\n\t<path class=\"elementor-shape-fill\" style=\"opacity:0.25\" d=\"M2600 0L0 0 0 130.1 2600 69.1z\"\/>\n<\/svg>\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-30bcba67 e-con-full e-flex e-con e-child\" data-id=\"30bcba67\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17d864b9 elementor-widget elementor-widget-shortcode\" data-id=\"17d864b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c0ac971 elementor-widget elementor-widget-heading\" data-id=\"6c0ac971\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Toothed Lock Washers (Star Lock Washers)<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6b8c8a32 elementor-widget elementor-widget-text-editor\" data-id=\"6b8c8a32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>In real assembly lines, the failure is rarely \u201cthe bolt snapped\u201d\u2014it\u2019s the slow loss of joint integrity: micro-slip under vibration, fretting debris building up at the interface, and electrical bonding drifting out of spec after repainting or zinc flake coatings. <strong data-start=\"646\" data-end=\"690\">Toothed lock washers (star lock washers)<\/strong> are designed for that interface problem: the teeth create localised contact pressure, bite through light coatings\/oxides, and increase friction under the fastener head. In sheet-metal enclosures, automotive brackets, and grounding points, this can be the difference between a stable clamp load path and a joint that \u201cwalks\u201d over time.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9ebf0ac e-con-full e-flex e-con e-child\" data-id=\"9ebf0ac\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8aa5c7d elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"8aa5c7d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Bite through coatings, bond<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Prevent rotation under vibration<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Low-profile for tight clearances<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2af8ddfc elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2af8ddfc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Match DIN 6797\/6798 options<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Enable grounding, lower resistance<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Multiple materials, finish choices<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-559ca8f elementor-align-left elementor-widget elementor-widget-button\" data-id=\"559ca8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#Contact\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Inquiry Now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-668d07 e-con-full e-flex e-con e-child\" data-id=\"668d07\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-50b1cf56 elementor-widget elementor-widget-image\" data-id=\"50b1cf56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"437\" src=\"https:\/\/sunhyings.com\/wp-content\/uploads\/2026\/01\/Toothed-Lock-Washers.webp\" class=\"attachment-large size-large wp-image-10624\" alt=\"Toothed Lock Washers\" srcset=\"https:\/\/sunhyings.com\/wp-content\/uploads\/2026\/01\/Toothed-Lock-Washers.webp 1024w, https:\/\/sunhyings.com\/wp-content\/uploads\/2026\/01\/Toothed-Lock-Washers-800x437.webp 800w, https:\/\/sunhyings.com\/wp-content\/uploads\/2026\/01\/Toothed-Lock-Washers-768x419.webp 768w, https:\/\/sunhyings.com\/wp-content\/uploads\/2026\/01\/Toothed-Lock-Washers-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4ae3b04f e-con-full e-flex e-con e-child\" data-id=\"4ae3b04f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1bc7301a elementor-align-left elementor-widget elementor-widget-button\" data-id=\"1bc7301a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Download Catalogue<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17757d4a elementor-align-left elementor-widget elementor-widget-button\" data-id=\"17757d4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Watch Video<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-adc757b e-flex e-con-boxed e-con e-parent\" data-id=\"adc757b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ba5bc96 elementor-widget elementor-widget-heading\" data-id=\"6ba5bc96\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Technical Specifications<\/h2>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2bd29c90 e-con-full e-flex e-con e-child\" data-id=\"2bd29c90\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4ea4aebf e-con-full e-flex e-con e-child\" data-id=\"4ea4aebf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-245f1a8f elementor-pagination-position-outside elementor--h-position-center elementor--v-position-middle elementor-arrows-position-inside elementor-widget elementor-widget-slides\" data-id=\"245f1a8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;transition&quot;:&quot;slide&quot;,&quot;transition_speed&quot;:500}\" data-widget_type=\"slides.default\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-slides-wrapper elementor-main-swiper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Slides\" dir=\"ltr\" data-animation=\"fadeInUp\">\n\t\t\t\t<div class=\"swiper-wrapper elementor-slides\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-repeater-item-2ae882f swiper-slide\" role=\"group\" aria-roledescription=\"slide\"><div class=\"swiper-slide-bg\" role=\"img\" aria-label=\"Toothed Lock Washers\"><\/div><div class=\"swiper-slide-inner\" ><div class=\"swiper-slide-contents\"><\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1312e3ca e-con-full e-flex e-con e-child\" data-id=\"1312e3ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6faa6e0b e-con-full e-flex e-con e-child\" data-id=\"6faa6e0b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7741b525 e-con-full e-flex e-con e-child\" data-id=\"7741b525\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a46481c elementor-widget elementor-widget-heading\" data-id=\"2a46481c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Product Name<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d3abc15 elementor-widget elementor-widget-text-editor\" data-id=\"d3abc15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Toothed Lock Washers \/ Star Lock Washers (Internal &amp; External Tooth)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6cca0832 e-con-full e-flex e-con e-child\" data-id=\"6cca0832\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d7cb15 elementor-widget elementor-widget-heading\" data-id=\"5d7cb15\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Standards<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-24df79b0 elementor-widget elementor-widget-text-editor\" data-id=\"24df79b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"12,4,1,0\">DIN 6797 (A\/J), DIN 6798 (A\/J\/V), ASME B18.21.1 (Type A\/J variants)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-44bdbfa e-con-full e-flex e-con e-child\" data-id=\"44bdbfa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1a64611 elementor-widget elementor-widget-heading\" data-id=\"1a64611\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Material <\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b59c33c elementor-widget elementor-widget-text-editor\" data-id=\"b59c33c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-path-to-node=\"12,4,1,0\">Spring steel (heat-treated), Stainless steel A2 (304) \/ A4 (316), Phosphor bronze \/ Silicon bronze (electrical)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-21d0f805 e-con-full e-flex e-con e-child\" data-id=\"21d0f805\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-453ab008 elementor-widget elementor-widget-heading\" data-id=\"453ab008\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Grades<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73586f0e elementor-widget elementor-widget-text-editor\" data-id=\"73586f0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Hardness by standard\/type; material-specific<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4192ab63 e-con-full e-flex e-con e-child\" data-id=\"4192ab63\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2383f5a3 e-con-full e-flex e-con e-child\" data-id=\"2383f5a3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f09566c elementor-widget elementor-widget-heading\" data-id=\"6f09566c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Diameter Range<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51f9c094 elementor-widget elementor-widget-text-editor\" data-id=\"51f9c094\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Metric M2\u2013M30 (typical); imperial on request<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1de66d27 e-con-full e-flex e-con e-child\" data-id=\"1de66d27\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47a0de35 elementor-widget elementor-widget-heading\" data-id=\"47a0de35\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Surface Finish<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46e4d92c elementor-widget elementor-widget-text-editor\" data-id=\"46e4d92c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Zinc plated (clear\/yellow), mechanically plated (hydrogen-embrittlement sensitive programs), black oxide, passivated stainless, plain\/oiled<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7f11908e e-con-full e-flex e-con e-child\" data-id=\"7f11908e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ba20437 elementor-widget elementor-widget-heading\" data-id=\"4ba20437\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Certifications<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6639770a elementor-widget elementor-widget-text-editor\" data-id=\"6639770a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>EN 10204 3.1 CoC\/CoA on request; RoHS\/REACH declarations on request; ISO 9001\/IATF program support by project<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d580025 e-con-full e-flex e-con e-parent\" data-id=\"d580025\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3c338b0d e-con-full e-flex e-con e-child\" data-id=\"3c338b0d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22bf3468 e-n-tabs-mobile elementor-widget elementor-widget-n-tabs\" data-id=\"22bf3468\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;center&quot;,&quot;tabs_justify_horizontal_mobile&quot;:&quot;start&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"582956136\" aria-label=\"Tabs. Open items with Enter or Space, close with Escape and navigate using the Arrow keys.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-5829561361\" data-tab-title-id=\"e-n-tab-title-5829561361\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-5829561361\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tFeatures &amp; Benefits\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-5829561362\" data-tab-title-id=\"e-n-tab-title-5829561362\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-5829561362\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tDimension Table\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-5829561363\" data-tab-title-id=\"e-n-tab-title-5829561363\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-5829561363\" style=\"--n-tabs-title-order: 3;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tProduct Assembly\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-5829561361\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-5829561361\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-4d3ff08d e-flex e-con-boxed e-con e-child\" data-id=\"4d3ff08d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-42bc19ec e-con-full e-flex e-con e-child\" data-id=\"42bc19ec\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ffc8764 elementor-widget elementor-widget-text-editor\" data-id=\"2ffc8764\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2187\" data-end=\"2252\"><strong data-start=\"2187\" data-end=\"2250\">1: Vibration loosening that starts as micro-slip<\/strong><\/p><ul data-start=\"2253\" data-end=\"3051\"><li data-start=\"2253\" data-end=\"2463\"><p data-start=\"2255\" data-end=\"2463\"><strong data-start=\"2255\" data-end=\"2271\">What happens<\/strong>: Under transverse vibration, the joint interface experiences micro-motion. That motion polishes contact faces, creates fretting debris, and reduces friction\u2014then clamp load begins to decay.<\/p><\/li><li data-start=\"2464\" data-end=\"2763\"><p data-start=\"2466\" data-end=\"2763\"><strong data-start=\"2466\" data-end=\"2499\">How toothed lock washers help<\/strong>: The teeth generate <strong data-start=\"2520\" data-end=\"2551\">high local contact pressure<\/strong> and increase interface friction under the head\/nut face. This raises resistance to small-amplitude rotation in early service life\u2014useful in brackets, light assemblies, and access panels where space is limited.<\/p><\/li><li data-start=\"2764\" data-end=\"3051\"><p data-start=\"2766\" data-end=\"3051\"><strong data-start=\"2766\" data-end=\"2786\">Engineering note<\/strong>: For high-energy vibration joints (powertrain, rail, heavy equipment), a toothed washer is not \u201cpositive locking.\u201d Treat it as <strong data-start=\"2914\" data-end=\"2952\">friction enhancement + bonding aid<\/strong>, and consider wedge-lock washers or prevailing-torque nuts where loss-of-preload risk is critical.<\/p><\/li><\/ul><p data-start=\"3053\" data-end=\"3139\"><strong data-start=\"3053\" data-end=\"3137\">2: Electrical bonding fails after paint, anodising, or oxide build-up<\/strong><\/p><ul data-start=\"3140\" data-end=\"3560\"><li data-start=\"3140\" data-end=\"3324\"><p data-start=\"3142\" data-end=\"3324\"><strong data-start=\"3142\" data-end=\"3158\">What happens<\/strong>: Painted panels and oxide films raise contact resistance. Even when torque is correct, the electrical path becomes unstable across temperature cycles and humidity.<\/p><\/li><li data-start=\"3325\" data-end=\"3560\"><p data-start=\"3327\" data-end=\"3560\"><strong data-start=\"3327\" data-end=\"3357\">How star lock washers help<\/strong>: Teeth can <strong data-start=\"3369\" data-end=\"3393\">pierce thin coatings<\/strong> to create repeatable metal-to-metal contact points, making them common as <strong data-start=\"3468\" data-end=\"3518\">grounding washers \/ electrical contact washers<\/strong> in enclosures and harness bonding points.<\/p><\/li><\/ul><p data-start=\"3562\" data-end=\"3628\"><strong data-start=\"3562\" data-end=\"3626\">3: Surface damage vs. \u201cmust not slip\u201d requirement<\/strong><\/p><ul data-start=\"3629\" data-end=\"4033\"><li data-start=\"3629\" data-end=\"3779\"><p data-start=\"3631\" data-end=\"3779\"><strong data-start=\"3631\" data-end=\"3644\">Trade-off<\/strong>: External tooth designs deliver strong bite but can mark mating surfaces; internal tooth versions reduce snagging and visual impact.<\/p><\/li><li data-start=\"3780\" data-end=\"4033\"><p data-start=\"3782\" data-end=\"3804\"><strong data-start=\"3782\" data-end=\"3801\">Selection logic<\/strong>:<\/p><ul data-start=\"3807\" data-end=\"4033\"><li data-start=\"3807\" data-end=\"3905\"><p data-start=\"3809\" data-end=\"3905\"><strong data-start=\"3809\" data-end=\"3853\">External tooth (DIN 6798 A \/ DIN 6797 A)<\/strong>: maximum bite\/anti-rotation on accessible joints.<\/p><\/li><li data-start=\"3908\" data-end=\"4033\"><p data-start=\"3910\" data-end=\"4033\"><strong data-start=\"3910\" data-end=\"3954\">Internal tooth (DIN 6797 J \/ DIN 6798 J)<\/strong>: cleaner OD, better where you need a smoother perimeter or tight OD clearance.<\/p><\/li><\/ul><\/li><\/ul><p data-start=\"4035\" data-end=\"4090\"><strong data-start=\"4035\" data-end=\"4088\">4: Galvanic corrosion and mixed metals<\/strong><\/p><ul data-start=\"4091\" data-end=\"4457\"><li data-start=\"4091\" data-end=\"4242\"><p data-start=\"4093\" data-end=\"4242\"><strong data-start=\"4093\" data-end=\"4109\">What happens<\/strong>: A conductive \u201cbite\u201d point can accelerate galvanic activity if you mix stainless, carbon steel, and aluminium in wet environments.<\/p><\/li><li data-start=\"4243\" data-end=\"4457\"><p data-start=\"4245\" data-end=\"4457\"><strong data-start=\"4245\" data-end=\"4259\">Mitigation<\/strong>: Match materials (A2\/A4 for stainless programs; coated carbon steel for general industrial; bronze for electrical + corrosion strategy), and validate with salt-spray or field exposure expectations.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-5829561362\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-5829561362\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\" elementor-element elementor-element-5bdd145d e-con-full e-flex e-con e-child\" data-id=\"5bdd145d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-36a92483 e-flex e-con-boxed e-con e-child\" data-id=\"36a92483\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-68da589d elementor-widget elementor-widget-text-editor\" data-id=\"68da589d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4492\" data-end=\"4816\">Below are <strong data-start=\"4502\" data-end=\"4534\">reference dimension examples<\/strong> commonly used for drawing checks and BOM validation. Final acceptance should follow the applicable standard revision and your print requirements. DIN 6798A reference dimensions shown here are based on a published DIN 6798:1971 reference sheet.<\/p><p data-start=\"4818\" data-end=\"4909\"><strong data-start=\"4818\" data-end=\"4909\">DIN 6798A \u2014 External Serrated Lock Washer (Type A \/ External Teeth): example dimensions<\/strong><\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4911\" data-end=\"5293\"><thead data-start=\"4911\" data-end=\"4975\"><tr data-start=\"4911\" data-end=\"4975\"><th data-start=\"4911\" data-end=\"4926\" data-col-size=\"sm\">Thread \u00d8 (M)<\/th><th data-start=\"4926\" data-end=\"4940\" data-col-size=\"sm\">d1 (ID, mm)<\/th><th data-start=\"4940\" data-end=\"4954\" data-col-size=\"sm\">d2 (OD, mm)<\/th><th data-start=\"4954\" data-end=\"4975\" data-col-size=\"sm\">s (Thickness, mm)<\/th><\/tr><\/thead><tbody data-start=\"4998\" data-end=\"5293\"><tr data-start=\"4998\" data-end=\"5022\"><td data-start=\"4998\" data-end=\"5003\" data-col-size=\"sm\">M3<\/td><td data-start=\"5003\" data-end=\"5009\" data-col-size=\"sm\">3.2<\/td><td data-col-size=\"sm\" data-start=\"5009\" data-end=\"5015\">6.0<\/td><td data-col-size=\"sm\" data-start=\"5015\" data-end=\"5022\">0.4<\/td><\/tr><tr data-start=\"5023\" data-end=\"5047\"><td data-start=\"5023\" data-end=\"5028\" data-col-size=\"sm\">M4<\/td><td data-col-size=\"sm\" data-start=\"5028\" data-end=\"5034\">4.3<\/td><td data-col-size=\"sm\" data-start=\"5034\" data-end=\"5040\">8.0<\/td><td data-col-size=\"sm\" data-start=\"5040\" data-end=\"5047\">0.5<\/td><\/tr><tr data-start=\"5048\" data-end=\"5073\"><td data-start=\"5048\" data-end=\"5053\" data-col-size=\"sm\">M5<\/td><td data-col-size=\"sm\" data-start=\"5053\" data-end=\"5059\">5.3<\/td><td data-col-size=\"sm\" data-start=\"5059\" data-end=\"5066\">10.0<\/td><td data-col-size=\"sm\" data-start=\"5066\" data-end=\"5073\">0.6<\/td><\/tr><tr data-start=\"5074\" data-end=\"5099\"><td data-start=\"5074\" data-end=\"5079\" data-col-size=\"sm\">M6<\/td><td data-col-size=\"sm\" data-start=\"5079\" data-end=\"5085\">6.4<\/td><td data-col-size=\"sm\" data-start=\"5085\" data-end=\"5092\">11.0<\/td><td data-col-size=\"sm\" data-start=\"5092\" data-end=\"5099\">0.7<\/td><\/tr><tr data-start=\"5100\" data-end=\"5125\"><td data-start=\"5100\" data-end=\"5105\" data-col-size=\"sm\">M8<\/td><td data-col-size=\"sm\" data-start=\"5105\" data-end=\"5111\">8.4<\/td><td data-col-size=\"sm\" data-start=\"5111\" data-end=\"5118\">15.0<\/td><td data-col-size=\"sm\" data-start=\"5118\" data-end=\"5125\">0.8<\/td><\/tr><tr data-start=\"5126\" data-end=\"5153\"><td data-start=\"5126\" data-end=\"5132\" data-col-size=\"sm\">M10<\/td><td data-col-size=\"sm\" data-start=\"5132\" data-end=\"5139\">10.5<\/td><td data-col-size=\"sm\" data-start=\"5139\" data-end=\"5146\">18.0<\/td><td data-col-size=\"sm\" data-start=\"5146\" data-end=\"5153\">0.9<\/td><\/tr><tr data-start=\"5154\" data-end=\"5181\"><td data-start=\"5154\" data-end=\"5160\" data-col-size=\"sm\">M12<\/td><td data-col-size=\"sm\" data-start=\"5160\" data-end=\"5167\">13.0<\/td><td data-col-size=\"sm\" data-start=\"5167\" data-end=\"5174\">20.5<\/td><td data-col-size=\"sm\" data-start=\"5174\" data-end=\"5181\">1.0<\/td><\/tr><tr data-start=\"5182\" data-end=\"5209\"><td data-start=\"5182\" data-end=\"5188\" data-col-size=\"sm\">M16<\/td><td data-col-size=\"sm\" data-start=\"5188\" data-end=\"5195\">17.0<\/td><td data-col-size=\"sm\" data-start=\"5195\" data-end=\"5202\">26.0<\/td><td data-col-size=\"sm\" data-start=\"5202\" data-end=\"5209\">1.2<\/td><\/tr><tr data-start=\"5210\" data-end=\"5237\"><td data-start=\"5210\" data-end=\"5216\" data-col-size=\"sm\">M20<\/td><td data-col-size=\"sm\" data-start=\"5216\" data-end=\"5223\">21.0<\/td><td data-col-size=\"sm\" data-start=\"5223\" data-end=\"5230\">33.0<\/td><td data-col-size=\"sm\" data-start=\"5230\" data-end=\"5237\">1.4<\/td><\/tr><tr data-start=\"5238\" data-end=\"5265\"><td data-start=\"5238\" data-end=\"5244\" data-col-size=\"sm\">M24<\/td><td data-col-size=\"sm\" data-start=\"5244\" data-end=\"5251\">25.0<\/td><td data-col-size=\"sm\" data-start=\"5251\" data-end=\"5258\">38.0<\/td><td data-col-size=\"sm\" data-start=\"5258\" data-end=\"5265\">1.5<\/td><\/tr><tr data-start=\"5266\" data-end=\"5293\"><td data-start=\"5266\" data-end=\"5272\" data-col-size=\"sm\">M30<\/td><td data-col-size=\"sm\" data-start=\"5272\" data-end=\"5279\">31.0<\/td><td data-col-size=\"sm\" data-start=\"5279\" data-end=\"5286\">48.0<\/td><td data-col-size=\"sm\" data-start=\"5286\" data-end=\"5293\">1.6<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-start=\"5295\" data-end=\"5494\"><strong data-start=\"5295\" data-end=\"5366\">DIN 6797 \u2014 Internal Tooth Lock Washers (Type J): example dimensions<\/strong><br data-start=\"5366\" data-end=\"5369\" \/>(OD and thickness reference values commonly cited for DIN 6797 internal tooth washers.)<\/p><div class=\"TyagGW_tableContainer\"><div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"><table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"5496\" data-end=\"5765\"><thead data-start=\"5496\" data-end=\"5546\"><tr data-start=\"5496\" data-end=\"5546\"><th data-start=\"5496\" data-end=\"5511\" data-col-size=\"sm\">Thread \u00d8 (M)<\/th><th data-start=\"5511\" data-end=\"5525\" data-col-size=\"sm\">d2 (OD, mm)<\/th><th data-start=\"5525\" data-end=\"5546\" data-col-size=\"sm\">s (Thickness, mm)<\/th><\/tr><\/thead><tbody data-start=\"5564\" data-end=\"5765\"><tr data-start=\"5564\" data-end=\"5582\"><td data-start=\"5564\" data-end=\"5569\" data-col-size=\"sm\">M3<\/td><td data-col-size=\"sm\" data-start=\"5569\" data-end=\"5575\">6.0<\/td><td data-col-size=\"sm\" data-start=\"5575\" data-end=\"5582\">0.5<\/td><\/tr><tr data-start=\"5583\" data-end=\"5601\"><td data-start=\"5583\" data-end=\"5588\" data-col-size=\"sm\">M4<\/td><td data-col-size=\"sm\" data-start=\"5588\" data-end=\"5594\">7.5<\/td><td data-col-size=\"sm\" data-start=\"5594\" data-end=\"5601\">0.5<\/td><\/tr><tr data-start=\"5602\" data-end=\"5620\"><td data-start=\"5602\" data-end=\"5607\" data-col-size=\"sm\">M5<\/td><td data-col-size=\"sm\" data-start=\"5607\" data-end=\"5613\">9.0<\/td><td data-col-size=\"sm\" data-start=\"5613\" data-end=\"5620\">0.8<\/td><\/tr><tr data-start=\"5621\" data-end=\"5640\"><td data-start=\"5621\" data-end=\"5626\" data-col-size=\"sm\">M6<\/td><td data-col-size=\"sm\" data-start=\"5626\" data-end=\"5633\">11.0<\/td><td data-col-size=\"sm\" data-start=\"5633\" data-end=\"5640\">0.8<\/td><\/tr><tr data-start=\"5641\" data-end=\"5660\"><td data-start=\"5641\" data-end=\"5646\" data-col-size=\"sm\">M8<\/td><td data-col-size=\"sm\" data-start=\"5646\" data-end=\"5653\">14.5<\/td><td data-col-size=\"sm\" data-start=\"5653\" data-end=\"5660\">1.0<\/td><\/tr><tr data-start=\"5661\" data-end=\"5681\"><td data-start=\"5661\" data-end=\"5667\" data-col-size=\"sm\">M10<\/td><td data-col-size=\"sm\" data-start=\"5667\" data-end=\"5674\">18.0<\/td><td data-col-size=\"sm\" data-start=\"5674\" data-end=\"5681\">1.0<\/td><\/tr><tr data-start=\"5682\" data-end=\"5702\"><td data-start=\"5682\" data-end=\"5688\" data-col-size=\"sm\">M12<\/td><td data-col-size=\"sm\" data-start=\"5688\" data-end=\"5695\">20.5<\/td><td data-col-size=\"sm\" data-start=\"5695\" data-end=\"5702\">1.0<\/td><\/tr><tr data-start=\"5703\" data-end=\"5723\"><td data-start=\"5703\" data-end=\"5709\" data-col-size=\"sm\">M16<\/td><td data-col-size=\"sm\" data-start=\"5709\" data-end=\"5716\">26.0<\/td><td data-col-size=\"sm\" data-start=\"5716\" data-end=\"5723\">1.2<\/td><\/tr><tr data-start=\"5724\" data-end=\"5744\"><td data-start=\"5724\" data-end=\"5730\" data-col-size=\"sm\">M20<\/td><td data-col-size=\"sm\" data-start=\"5730\" data-end=\"5737\">33.0<\/td><td data-col-size=\"sm\" data-start=\"5737\" data-end=\"5744\">1.5<\/td><\/tr><tr data-start=\"5745\" data-end=\"5765\"><td data-start=\"5745\" data-end=\"5751\" data-col-size=\"sm\">M24<\/td><td data-col-size=\"sm\" data-start=\"5751\" data-end=\"5758\">38.0<\/td><td data-col-size=\"sm\" data-start=\"5758\" data-end=\"5765\">1.5<\/td><\/tr><\/tbody><\/table><\/div><\/div><p data-path-to-node=\"19\"><br \/><br \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-5829561363\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-5829561363\" data-tab-index=\"3\" style=\"--n-tabs-title-order: 3;\" class=\" elementor-element elementor-element-69bd979e e-con-full e-flex e-con e-child\" data-id=\"69bd979e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-757b4b12 e-flex e-con-boxed e-con e-child\" data-id=\"757b4b12\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-772ffcc9 elementor-widget elementor-widget-text-editor\" data-id=\"772ffcc9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"5816\" data-end=\"5871\"><strong data-start=\"5816\" data-end=\"5869\">1) Define the real objective: locking vs. bonding<\/strong><\/p><ul data-start=\"5872\" data-end=\"6270\"><li data-start=\"5872\" data-end=\"6022\"><p data-start=\"5874\" data-end=\"6022\">If the requirement is <strong data-start=\"5896\" data-end=\"5918\">anti-rotation only<\/strong>, validate that the joint has sufficient preload and that interface slip is the dominant failure mode.<\/p><\/li><li data-start=\"6023\" data-end=\"6270\"><p data-start=\"6025\" data-end=\"6270\">If the requirement is <strong data-start=\"6047\" data-end=\"6069\">electrical bonding<\/strong>, measure contact resistance after assembly and after environmental conditioning (humidity\/thermal cycling). A toothed washer helps, but coatings and plating choices still dominate long-term stability.<\/p><\/li><\/ul><p data-start=\"6272\" data-end=\"6334\"><strong data-start=\"6272\" data-end=\"6332\">2) Control clamp load: torque is a proxy, not the target<\/strong><\/p><ul data-start=\"6335\" data-end=\"6730\"><li data-start=\"6335\" data-end=\"6555\"><p data-start=\"6337\" data-end=\"6555\">Use torque as an input, but manage <strong data-start=\"6372\" data-end=\"6383\">Preload<\/strong> as the target. Lubrication changes the torque\u2013tension relationship (K factor scatter can be large), so mixed \u201cdry vs. oiled\u201d builds often create inconsistent clamp load.<\/p><\/li><li data-start=\"6556\" data-end=\"6730\"><p data-start=\"6558\" data-end=\"6730\">Practical method: standardise thread condition (dry\/oiled), define tightening method (torque only, torque-angle, or tension control), and audit with periodic joint testing.<\/p><\/li><\/ul><p data-start=\"6732\" data-end=\"6786\"><strong data-start=\"6732\" data-end=\"6784\">3) Tooth engagement depends on surface condition<\/strong><\/p><ul data-start=\"6787\" data-end=\"7163\"><li data-start=\"6787\" data-end=\"7163\"><p data-start=\"6789\" data-end=\"6942\">Teeth need a stable seat. On <strong data-start=\"6818\" data-end=\"6861\">soft aluminium, thin sheet, or plastics<\/strong>, teeth can embed, relax, and reduce preload (classic preload decay). Consider:<\/p><ul data-start=\"6945\" data-end=\"7163\"><li data-start=\"6945\" data-end=\"7054\"><p data-start=\"6947\" data-end=\"7054\">moving the toothed washer to the <strong data-start=\"6980\" data-end=\"7003\">grounding side only<\/strong>, and using a <strong data-start=\"7017\" data-end=\"7033\">plain washer<\/strong> to spread load, or<\/p><\/li><li data-start=\"7057\" data-end=\"7163\"><p data-start=\"7059\" data-end=\"7163\">upgrading the locking method (prevailing-torque nut \/ wedge-lock washers) for vibration-critical joints.<\/p><\/li><\/ul><\/li><\/ul><p data-start=\"7165\" data-end=\"7205\"><strong data-start=\"7165\" data-end=\"7203\">4) Washer orientation and stacking<\/strong><\/p><ul data-start=\"7206\" data-end=\"7453\"><li data-start=\"7206\" data-end=\"7329\"><p data-start=\"7208\" data-end=\"7329\">Internal vs external tooth: choose by clearance and \u201cbite\u201d requirement (external bites harder; internal is cleaner OD).<\/p><\/li><li data-start=\"7330\" data-end=\"7453\"><p data-start=\"7332\" data-end=\"7453\">If stacking with a plain washer, place the <strong data-start=\"7375\" data-end=\"7427\">toothed washer against the conductive base metal<\/strong> when bonding is required.<\/p><\/li><\/ul><p data-start=\"7455\" data-end=\"7502\"><strong data-start=\"7455\" data-end=\"7500\">5) Hole clearance and alignment (ISO 273)<\/strong><\/p><ul data-start=\"7503\" data-end=\"7740\"><li data-start=\"7503\" data-end=\"7740\"><p data-start=\"7505\" data-end=\"7740\">Excessive hole clearance can reduce effective tooth engagement area and increase micro-motion. Use <strong data-start=\"7604\" data-end=\"7642\">normal clearance holes per ISO 273<\/strong> unless your assembly requires close fit; avoid oversize holes on vibration joints where possible.<\/p><\/li><\/ul><p data-start=\"7742\" data-end=\"7763\"><strong data-start=\"7742\" data-end=\"7761\">6) Reuse policy<\/strong><\/p><ul data-start=\"7764\" data-end=\"7987\"><li data-start=\"7764\" data-end=\"7987\"><p data-start=\"7766\" data-end=\"7987\">Treat toothed washers as <strong data-start=\"7791\" data-end=\"7805\">single-use<\/strong> in most controlled assemblies. If teeth are flattened, plated surfaces are galled, or you see fretting debris, replace\u2014those are indicators that the interface condition has changed.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-218ef089 e-flex e-con-boxed e-con e-parent\" data-id=\"218ef089\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-347de438 elementor-widget elementor-widget-heading\" data-id=\"347de438\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Products<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c96c433 elementor-arrows-position-outside elementor-pagination-type-bullets elementor-pagination-position-outside elementor-widget elementor-widget-n-carousel\" data-id=\"4c96c433\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;0a319fa&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;4ffa64e&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;d089ffd&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;be92983&quot;}],&quot;slides_to_show&quot;:&quot;5&quot;,&quot;slides_to_scroll&quot;:&quot;1&quot;,&quot;slides_to_show_tablet&quot;:&quot;3&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;arrows&quot;:&quot;yes&quot;,&quot;pagination&quot;:&quot;bullets&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-478e3121 e-flex e-con-boxed e-con e-child\" data-id=\"478e3121\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7275f103 elementor-widget elementor-widget-image-box\" data-id=\"7275f103\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Plain Flat Washers (ISO 7089 \/ DIN 125)<\/h3><p class=\"elementor-image-box-description\">Add load distribution when the joint face is soft; pair with star washers for \u201cload spread + bonding.\u201d<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"2\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-432b74fe e-flex e-con-boxed e-con e-child\" data-id=\"432b74fe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-173e7b72 elementor-widget elementor-widget-image-box\" data-id=\"173e7b72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Spring Lock Washers \/ Helical Washers (DIN 127 \/ ASME B18.21.1)<\/h3><p class=\"elementor-image-box-description\">A common alternative for general-purpose builds; useful when tooth marking is unacceptable.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"3\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-20c9ec49 e-flex e-con-boxed e-con e-child\" data-id=\"20c9ec49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-698ddca3 elementor-widget elementor-widget-image-box\" data-id=\"698ddca3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">All-Metal Lock Nuts (DIN 980 \/ ISO 7042 \/ IFI Grade G)<\/h3><p class=\"elementor-image-box-description\">Prevailing-torque locking for higher vibration or temperature where friction-only methods need reinforcement.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"4\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-12fcf100 e-flex e-con-boxed e-con e-child\" data-id=\"12fcf100\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ed2b943 elementor-widget elementor-widget-image-box\" data-id=\"ed2b943\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">Wedge-Lock Washers (DIN 25201)<\/h3><p class=\"elementor-image-box-description\">For vibration-critical joints requiring more predictable anti-loosening performance than toothed washers.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Voriger\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"N\u00e4chster\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-294c9e1a e-flex e-con-boxed e-con e-parent\" data-id=\"294c9e1a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-1213e87d e-con-full e-flex e-con e-child\" data-id=\"1213e87d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21bb6382 elementor-widget elementor-widget-heading\" data-id=\"21bb6382\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73a68c5 elementor-widget__width-initial elementor-widget elementor-widget-toggle\" data-id=\"73a68c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"toggle.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle\">\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-1211\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1211\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is a toothed lock washer (star lock washer)?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1211\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1211\"><p>A toothed lock washer is a thin washer with radial teeth that increase friction and create high local contact pressure under a fastener head. It helps resist rotation and can pierce light coatings to improve electrical bonding in grounding applications.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-1212\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1212\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">What is the difference between DIN 6797 and DIN 6798 lock washers?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1212\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1212\"><p>DIN 6797 typically refers to \u201ctoothed\u201d (shake-proof) washers, while DIN 6798 refers to \u201cserrated\u201d tooth forms and includes variants such as external (A), internal (J), and countersunk (V). In practice, selection depends on required tooth geometry, clearance, and whether you are pairing with countersunk screws.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-1213\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1213\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Should I choose internal tooth or external tooth star washers?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1213\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1213\"><p>Choose external tooth washers when you need maximum bite and anti-rotation, and choose internal tooth washers when OD clearance, snag risk, or appearance matters. External teeth generally provide stronger surface engagement; internal teeth keep the outside edge smooth.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-1214\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1214\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Are toothed lock washers enough for high-vibration joints?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1214\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1214\"><p>Not always\u2014on high-vibration or safety-critical joints, toothed washers should not be treated as a positive locking method. They can improve friction at the interface, but prevailing-torque nuts, wedge-lock washers, or threadlocking strategies are often more reliable for maintaining preload.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-toggle-item\">\n\t\t\t\t\t<h5 id=\"elementor-tab-title-1215\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1215\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon elementor-toggle-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-closed\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43.104\" height=\"45.888\" viewBox=\"0 0 43.104 45.888\"><polygon points=\"24.096 20.16 24.096 0 19.008 0 19.008 20.16 0 20.16 0 25.248 19.008 25.248 19.008 45.888 24.096 45.888 24.096 25.248 43.104 25.248 43.104 20.16 24.096 20.16\"><\/polygon><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-toggle-icon-opened\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"a\" width=\"43\" height=\"6\" viewBox=\"0 0 43 6\"><rect width=\"43\" height=\"6\"><\/rect><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-toggle-title\" tabindex=\"0\">Can star lock washers provide grounding through paint or plating?<\/a>\n\t\t\t\t\t<\/h5>\n\n\t\t\t\t\t<div id=\"elementor-tab-content-1215\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1215\"><p>Yes, star lock washers can improve grounding by biting through thin coatings and creating multiple metal-to-metal contact points. For stable results, control the coating stack-up, verify contact resistance after assembly, and consider corrosion strategy (material pairing and environment).<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a toothed lock washer (star lock washer)?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>A toothed lock washer is a thin washer with radial teeth that increase friction and create high local contact pressure under a fastener head. It helps resist rotation and can pierce light coatings to improve electrical bonding in grounding applications.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between DIN 6797 and DIN 6798 lock washers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>DIN 6797 typically refers to \\u201ctoothed\\u201d (shake-proof) washers, while DIN 6798 refers to \\u201cserrated\\u201d tooth forms and includes variants such as external (A), internal (J), and countersunk (V). In practice, selection depends on required tooth geometry, clearance, and whether you are pairing with countersunk screws.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Should I choose internal tooth or external tooth star washers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Choose external tooth washers when you need maximum bite and anti-rotation, and choose internal tooth washers when OD clearance, snag risk, or appearance matters. External teeth generally provide stronger surface engagement; internal teeth keep the outside edge smooth.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Are toothed lock washers enough for high-vibration joints?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Not always\\u2014on high-vibration or safety-critical joints, toothed washers should not be treated as a positive locking method. They can improve friction at the interface, but prevailing-torque nuts, wedge-lock washers, or threadlocking strategies are often more reliable for maintaining preload.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"Can star lock washers provide grounding through paint or plating?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Yes, star lock washers can improve grounding by biting through thin coatings and creating multiple metal-to-metal contact points. For stable results, control the coating stack-up, verify contact resistance after assembly, and consider corrosion strategy (material pairing and environment).<\\\/p>\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7a23d011 e-con-full e-flex e-con e-parent\" data-id=\"7a23d011\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7c1bba0 e-flex e-con-boxed e-con e-child\" data-id=\"7c1bba0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-196b380b elementor-position-block-end elementor-view-default elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"196b380b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div 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data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-654a237b elementor-widget elementor-widget-heading\" data-id=\"654a237b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Contact Us<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-311c99d4 elementor-widget elementor-widget-icon-box\" data-id=\"311c99d4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tRequest a 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elementor-column elementor-field-group-email elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tBusiness Email\t\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-md  elementor-field-textual\" placeholder=\"Business Email*\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-md\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"3\" placeholder=\"Please specify the fastener type (e.g., Hex Bolt, Socket Head Cap Screw) and the required standard\/material\/grade (e.g., DIN 933, ISO 4762, 316SS, Class 8.8).\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha elementor-field-group elementor-column elementor-field-group-field_6e48319 elementor-col-100\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_6e48319\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6Le04PwrAAAAABSse9pF22Cy1dSMz4P8HEf9l7O5\" data-type=\"v2_checkbox\" data-theme=\"light\" data-size=\"normal\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-md elementor-animation-grow\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Submit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Toothed Lock Washers (Star Lock Washers) In real assembly lines, the failure is rarely \u201cthe bolt snapped\u201d\u2014it\u2019s the slow loss of joint integrity: micro-slip under vibration, fretting debris building up at the interface, and electrical bonding drifting out of spec after repainting or zinc flake coatings. Toothed lock washers (star lock washers) are designed for [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9889,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10621","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/pages\/10621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/comments?post=10621"}],"version-history":[{"count":10,"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/pages\/10621\/revisions"}],"predecessor-version":[{"id":10908,"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/pages\/10621\/revisions\/10908"}],"up":[{"embeddable":true,"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/pages\/9889"}],"wp:attachment":[{"href":"https:\/\/sunhyings.com\/de\/wp-json\/wp\/v2\/media?parent=10621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}