{"id":4066,"date":"2026-05-15T15:58:47","date_gmt":"2026-05-15T15:58:47","guid":{"rendered":"https:\/\/productionscrews.com\/?page_id=4066"},"modified":"2026-05-16T08:54:57","modified_gmt":"2026-05-16T08:54:57","slug":"din6921-hex-flange-bolt","status":"publish","type":"page","link":"https:\/\/productionscrews.com\/fr\/din6921-hex-flange-bolt\/","title":{"rendered":"Boulon \u00e0 bride hexagonale DIN6921 | Guide complet des sp\u00e9cifications, dimensions et applications"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4066\" class=\"elementor elementor-4066\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9rwj10p elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9rwj10p\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-aotsc9v\" data-id=\"aotsc9v\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8jq3g87 elementor-widget elementor-widget-heading\" data-id=\"8jq3g87\" 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\">Boulon \u00e0 bride hexagonale DIN6921 | Sp\u00e9cifications compl\u00e8tes, dimensions et guide d'applications<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-vxeslv6 elementor-widget elementor-widget-text-editor\" data-id=\"vxeslv6\" 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 style=\"text-align:center;color:#CBD5E0;font-size:18px;max-width:720px;margin:16px auto 24px;\">DIN6921 est un boulon hexagonal m\u00e9trique avec une rondelle \u00e0 bride int\u00e9gr\u00e9e sous la t\u00eate qui r\u00e9partit la charge de serrage sur une surface plus large, disponible en versions lisse et crant\u00e9e.<\/p><p style=\"text-align:center;color:#A0AEC0;font-size:15px;max-width:640px;margin:0 auto 32px;\">Ce guide couvre les tableaux de dimensions complets M5\u2013M20, les donn\u00e9es de profondeur de bride, les classes de mat\u00e9riaux de 8.8 \u00e0 A4-80, le choix entre crant\u00e9 et lisse, ainsi qu'une comparaison directe avec DIN931 et DIN933.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-vi3xjpg elementor-align-center elementor-widget elementor-widget-button\" data-id=\"vi3xjpg\" 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=\"#dimensions\">\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\">Voir le tableau des dimensions \u2192<\/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-8fkqyy3 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"8fkqyy3\" 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=\"https:\/\/productionscrews.com\/fr\/\" target=\"_blank\">\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\">Parcourir les produits<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-i9tcb9z elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"i9tcb9z\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-60 elementor-top-column elementor-element elementor-element-mlu8n2r\" data-id=\"mlu8n2r\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-mi960cg elementor-widget elementor-widget-heading\" data-id=\"mi960cg\" 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\">Qu'est-ce qu'une vis \u00e0 bride hexagonale DIN6921 ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-rjff75i elementor-widget elementor-widget-text-editor\" data-id=\"rjff75i\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p><strong>DIN6921 est une vis hexagonale m\u00e9trique d\u00e9finie par l'Institut allemand de normalisation (DIN) avec un disque de bride circulaire agrandi int\u00e9gr\u00e9 dans le dessous de la t\u00eate de la vis.<\/strong> La bride agit comme une rondelle int\u00e9gr\u00e9e \u2014 elle r\u00e9partit la charge de serrage sur une surface de contact beaucoup plus large qu'une t\u00eate hexagonale standard seule.<\/p>\n<p>La norme couvre deux variantes distinctes :<\/p>\n<ul>\n<li><strong>Bride lisse (surface de contact lisse) :<\/strong> Le dessous de la bride est lisse. Utilis\u00e9 lorsque la surface de la pi\u00e8ce doit rester intacte \u2014 les panneaux rev\u00eatus, les surfaces peintes, les alliages tendres et les plastiques b\u00e9n\u00e9ficient tous de cette variante.<\/li>\n<li><strong>Bride nervur\u00e9e (dessous nervur\u00e9\/rainur\u00e9) :<\/strong> Des dents radiales sont press\u00e9es dans le dessous de la bride lors de la fabrication. Lorsque le boulon est serr\u00e9, ces dents mordent dans la surface de la pi\u00e8ce et cr\u00e9ent un effet de blocage m\u00e9canique automatique.<\/li>\n<\/ul>\n<p>Par <a href=\"https:\/\/www.iso.org\/standard\/28024.html\" rel=\"noopener\" target=\"_blank\">DIN EN ISO 4759-1<\/a>, DIN6921 est fabriqu\u00e9e selon <strong>Classe de produit A<\/strong> (tol\u00e9rances de pr\u00e9cision). La norme est compatible dimensionnellement avec <strong>ISO 15071<\/strong> (non crant\u00e9) et <strong>ISO 15072<\/strong> (crant\u00e9).<\/p>\n<p>La fa\u00e7on la plus simple d\u2019y penser : <strong>DIN6921 = DIN933 + rondelle int\u00e9gr\u00e9e + dents autobloquantes optionnelles.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dq1q2hb elementor-widget elementor-widget-heading\" data-id=\"dq1q2hb\" 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\">DIN6921 vs DIN931 vs DIN933 \u2014 Principales diff\u00e9rences<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-mjttm66 elementor-widget elementor-widget-text-editor\" data-id=\"mjttm66\" 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><strong>DIN6921 diff\u00e8re de DIN931 et DIN933 principalement par son disque de bride int\u00e9gr\u00e9, qui \u00e9limine le besoin d\u2019une rondelle plate s\u00e9par\u00e9e et \u2014 dans la variante crant\u00e9e \u2014 remplace \u00e9galement la rondelle de blocage.<\/strong><\/p><p>Les trois normes partagent la m\u00eame g\u00e9om\u00e9trie d'entra\u00eenement hexagonal et les m\u00eames mat\u00e9riaux. Voici o\u00f9 elles diff\u00e8rent :<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ug5ulv elementor-widget elementor-widget-html\" data-id=\"9ug5ulv\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<table style=\"width:100%;border-collapse:collapse;font-size:14px;\">\n<thead style=\"background:#1B2A4A;color:#fff;\">\n<tr>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">Fonctionnalit\u00e9<\/th>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">DIN931 (filetage partiel)<\/th>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">DIN933 (filetage total)<\/th>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">DIN6921 (boulon \u00e0 bride)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Bride int\u00e9gr\u00e9e<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Non<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Non<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Oui \u2014 int\u00e9gr\u00e9e<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Surface d\u2019appui<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Sous la t\u00eate uniquement<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Sous la t\u00eate uniquement<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>La bride augmente la surface<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Blocage crant\u00e9<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Non<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Non<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Oui (variante crant\u00e9e)<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Rondelle s\u00e9par\u00e9e<\/td><td style=\"padding:8px;border:1px solid #ddd;\">G\u00e9n\u00e9ralement oui<\/td><td style=\"padding:8px;border:1px solid #ddd;\">G\u00e9n\u00e9ralement oui<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>G\u00e9n\u00e9ralement non<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">R\u00e9sistance aux vibrations<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Standard<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Standard<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Plus \u00e9lev\u00e9 (crant\u00e9)<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Application typique<\/td><td style=\"padding:8px;border:1px solid #ddd;\">G\u00e9n\u00e9ral structurel<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Filetage complet g\u00e9n\u00e9ral<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Automobile, panneaux fins, vibrations<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">\u00c9quivalent ISO<\/td><td style=\"padding:8px;border:1px solid #ddd;\">ISO 4014<\/td><td style=\"padding:8px;border:1px solid #ddd;\">ISO 4017<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>ISO 15071 \/ ISO 15072<\/strong><\/td><\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-k5usy3q elementor-widget elementor-widget-text-editor\" data-id=\"k5usy3q\" 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 style=\"margin-top:16px;\">La r\u00e8gle pratique : si votre assemblage implique des panneaux fins, des vibrations, ou si vous souhaitez r\u00e9duire le nombre de composants, la DIN6921 surpasse \u00e0 la fois la DIN931 et la DIN933. Une nuance rarement mentionn\u00e9e dans les fiches techniques : <strong>la bride ajoute 3\u20138 mm au diam\u00e8tre effectif de la t\u00eate<\/strong> \u2014 v\u00e9rifiez dc par rapport \u00e0 vos exigences de d\u00e9gagement avant de substituer DIN6921 \u00e0 DIN933 lors d'une refonte.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-40 elementor-top-column elementor-element elementor-element-fmvd1q4\" data-id=\"fmvd1q4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-yavltok elementor-widget elementor-widget-image\" data-id=\"yavltok\" 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=\"1200\" height=\"896\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison.png\" class=\"attachment-full size-full wp-image-4060\" alt=\"Comparaison entre le boulon hexagonal \u00e0 collerette DIN6921 et les DIN931 DIN933 \u00e0 collerette int\u00e9gr\u00e9e\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison.png 1200w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison-360x269.png 360w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison-723x540.png 723w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison-150x112.png 150w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison-768x573.png 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-vs-din931-comparison-16x12.png 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-r813hww elementor-widget elementor-widget-image\" data-id=\"r813hww\" 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 decoding=\"async\" width=\"1376\" height=\"768\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1.png\" class=\"attachment-full size-full wp-image-4058\" alt=\"Gros plan sur des vis \u00e0 bride haute r\u00e9sistance avec t\u00eates hexagonales et rondelles int\u00e9gr\u00e9es, id\u00e9ales pour les applications de fixation industrielles.\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1.png 1376w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1-360x201.png 360w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1-800x447.png 800w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1-150x84.png 150w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1-768x429.png 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-hex-flange-bolt-featured-1-18x10.png 18w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-w71ii6r elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"w71ii6r\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-n8dyztr\" data-id=\"n8dyztr\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-g07zbdf elementor-widget elementor-widget-heading\" data-id=\"g07zbdf\" 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\">Tableau complet des dimensions DIN6921 (M5\u2013M20)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-i5hmsg6 elementor-widget elementor-widget-text-editor\" data-id=\"i5hmsg6\" 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><strong>La norme DIN6921 est produite du M5 au M20, avec des diam\u00e8tres de collerette allant de 11,8 mm (M5) \u00e0 43 mm (M20) et des hauteurs de t\u00eate de 2,8 mm \u00e0 9,5 mm.<\/strong> Les longueurs de filetage suivent la m\u00eame logique de dimension b que les autres boulons hexagonaux DIN, variant selon la longueur nominale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-mk6zfg4 elementor-widget elementor-widget-image\" data-id=\"mk6zfg4\" 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 decoding=\"async\" width=\"1376\" height=\"768\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram.png\" class=\"attachment-full size-full wp-image-4059\" alt=\"Sch\u00e9ma des dimensions de la vis \u00e0 bride hexagonale DIN6921 : diam\u00e8tre de la t\u00eate, hauteur, profondeur de la bride, longueur nominale\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram.png 1376w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram-360x201.png 360w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram-800x447.png 800w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram-150x84.png 150w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram-768x429.png 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-dimension-diagram-18x10.png 18w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c37c39h elementor-widget elementor-widget-html\" data-id=\"c37c39h\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<div style=\"overflow-x:auto;\">\n<table id=\"dimensions\" style=\"width:100%;border-collapse:collapse;font-size:13px;min-width:700px;\">\n<thead style=\"background:#1B2A4A;color:#fff;\">\n<tr>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">Filetage d<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Pas P (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Hauteur de t\u00eate k (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Diam\u00e8tre de la collerette dc (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Largeur entre plats s (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Largeur entre coins e (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Longueur de filetage b \u2264125<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Longueur de filetage b 125\u2013200<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M5<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">0.80<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">2.8<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">11.80<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">8<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">8.79<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">16<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">\u2014<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M6<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">1.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">3.4<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">14.20<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">10<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">11.05<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">18<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">\u2014<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M8<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">1.25<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">4.2<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">18.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">13<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">14.38<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">22<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">\u2014<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M10<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">1.50<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">5.7<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">22.30<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">15<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">16.64<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">26<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">32<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M12<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">1.75<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">6.1<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">26.60<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">16<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">17.62<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">30<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">36<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">(M14)<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">2.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">8.0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">31.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">18<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">20.03<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">34<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">40<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M16<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">2.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">8.7<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">35.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">21<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">23.15<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">38<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">44<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">(M18)<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">2.50<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">9.0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">39.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">24<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">26.75<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">42<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">48<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M20<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">2.50<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">9.5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">43.00<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">27<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">29.56<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">46<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">52<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size:13px;color:#666;margin-top:8px;\">Les tailles entre parenth\u00e8ses (M14, M18) sont non pr\u00e9f\u00e9r\u00e9es. dc = diam\u00e8tre ext\u00e9rieur de la collerette. Versions \u00e0 filetage fin disponibles pour M8\u00d71, M10\u00d71.25, M12\u00d71.5, M16\u00d71.5.<\/p>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-mlqc2fo elementor-widget elementor-widget-html\" data-id=\"mlqc2fo\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<h3 style=\"margin-top:32px;\">Donn\u00e9es de profondeur de bride et de surface de roulement DIN6921<\/h3>\n<p><strong>La profondeur de la collerette h varie de 3,0 mm (M5) \u00e0 8,5 mm (M20).<\/strong> Ces donn\u00e9es sont essentielles lors du calcul de la hauteur totale install\u00e9e (k + h) et lors de la sp\u00e9cification de la profondeur du lamage dans les pi\u00e8ces en aluminium ou en composite.<\/p>\n<div style=\"overflow-x:auto;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:13px;\">\n<thead style=\"background:#2563EB;color:#fff;\">\n<tr>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">Filetage d<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Profondeur de la bride h (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Largeur de port\u00e9e m (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Collerette min. m' (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M5<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 3,0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 1,7<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 0,7<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M6<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 3,5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 2,2<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 1,0<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M8<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 4,5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 2,8<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 1,5<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M10<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 5.0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 3.3<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 1.8<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M12<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 6.0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 4.2<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 2,2<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M16<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 7.5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 5.0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 2,8<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\"><strong>M20<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Max 8.5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 5.8<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">Min 3.2<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-g97bd0h elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"g97bd0h\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-l7b3ols\" data-id=\"l7b3ols\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-worwn86 elementor-widget elementor-widget-heading\" data-id=\"worwn86\" 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\">Mat\u00e9riaux et Classes de R\u00e9sistance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-od6r07y elementor-widget elementor-widget-text-editor\" data-id=\"od6r07y\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p><strong>DIN6921 est disponible en aciers au carbone de grades 8.8 \u00e0 12.9 et en aciers inoxydables de grades A2-70 \u00e0 A4-80, avec une r\u00e9sistance \u00e0 la traction allant de 800 MPa \u00e0 1220 MPa.<\/strong><\/p>\n<p>Selon <a href=\"https:\/\/www.iso.org\/standard\/64986.html\" rel=\"noopener\" target=\"_blank\">ISO 898-1, la norme internationale pour les propri\u00e9t\u00e9s m\u00e9caniques des \u00e9l\u00e9ments de fixation<\/a>, la d\u00e9signation de grade encode directement la r\u00e9sistance \u00e0 la traction et \u00e0 la limite d'\u00e9lasticit\u00e9 :<\/p>\n<p><strong>Acier au carbone :<\/strong><\/p>\n<ul>\n<li><strong>Grade 8.8 :<\/strong> 800 MPa traction, 640 MPa limite d'\u00e9lasticit\u00e9. Grade polyvalent pour l'automobile et la machinerie g\u00e9n\u00e9rale.<\/li>\n<li><strong>Grade 10.9 :<\/strong> 1040 MPa traction, 940 MPa limite d'\u00e9lasticit\u00e9. Acier alli\u00e9. Pour les assemblages automobiles critiques pour la s\u00e9curit\u00e9.<\/li>\n<li><strong>Classe 12.9 :<\/strong> 1220 MPa traction. Applications sport automobile, fatigue \u00e0 cycles \u00e9lev\u00e9s, pr\u00e9charge de pr\u00e9cision.<\/li>\n<\/ul>\n<p><strong>Acier inoxydable :<\/strong><\/p>\n<ul>\n<li><strong>A2-70 (304 inox) :<\/strong> 700 MPa. R\u00e9sistance g\u00e9n\u00e9rale \u00e0 la corrosion, \u00e9quipements alimentaires, environnements int\u00e9rieurs.<\/li>\n<li><strong>A4-70 (316 inox) :<\/strong> 700 MPa. R\u00e9sistance sup\u00e9rieure aux chlorures\/milieux marins gr\u00e2ce \u00e0 la teneur en molybd\u00e8ne.<\/li>\n<li><strong>A4-80 (316 inox, haute r\u00e9sistance) :<\/strong> 800 MPa. P\u00e9trochimie, offshore, pharmaceutique \u2014 r\u00e9sistance + corrosion.<\/li>\n<\/ul>\n<p><strong>Finitions de surface :<\/strong> Brut \/ Blanc zinc \/ Dichromate de zinc jaune \/ Galvanis\u00e9 \u00e0 chaud \/ Dacromet \/ Oxyde noir<\/p>\n<p><em>Remarque : la variante crant\u00e9e HDG DIN6921 est rare \u2014 l\u2019\u00e9paisse couche de zinc (85\u2013100\u00b5m selon <a href=\"https:\/\/www.iso.org\/standard\/61758.html\" rel=\"noopener\" target=\"_blank\">ISO 1461<\/a>) remplit les dents de la cr\u00e9nelure. Utilisez plut\u00f4t le Dacromet (5\u201310\u00b5m) pour pr\u00e9server la g\u00e9om\u00e9trie des dents.<\/em><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-xeehtxl elementor-widget elementor-widget-html\" data-id=\"xeehtxl\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<table style=\"width:100%;border-collapse:collapse;font-size:13px;\">\n<thead style=\"background:#1B2A4A;color:#fff;\">\n<tr>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">Mat\u00e9riau<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Classe<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Application typique<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Acier au carbone<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\"><strong>8.8<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Automobile g\u00e9n\u00e9ral, machines, armoires \u00e9lectriques<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Acier au carbone<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\"><strong>10.9<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Structure haute r\u00e9sistance, finition standard zinc jaune<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Acier au carbone<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\"><strong>12.9<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Assemblages \u00e0 charge critique, sport automobile, sensible \u00e0 la fatigue<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Inoxydable<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\"><strong>A2-70<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Alimentaire, industrie l\u00e9g\u00e8re, environnements int\u00e9rieurs<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Inoxydable<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\"><strong>A4-70<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Marin, chimique, ext\u00e9rieur, c\u00f4tier<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Inoxydable<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\"><strong>A4-80<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Environnements corrosifs \u00e0 couple \u00e9lev\u00e9, offshore<\/td><\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1s9e13r\" data-id=\"1s9e13r\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-t2m8q6r elementor-widget elementor-widget-heading\" data-id=\"t2m8q6r\" 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\">Applications cl\u00e9s de la DIN6921<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5gj020e elementor-widget elementor-widget-text-editor\" data-id=\"5gj020e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p><strong>La DIN6921 est sp\u00e9cifi\u00e9e partout o\u00f9 une surface d\u2019appui plus large, une r\u00e9duction du nombre de composants ou une r\u00e9sistance aux vibrations sont n\u00e9cessaires \u2014 principalement dans l\u2019automobile, la t\u00f4lerie et les machines vibrantes.<\/strong><\/p>\n<ul>\n<li><strong>Assemblage moteur &amp; ch\u00e2ssis automobile :<\/strong> Les principaux constructeurs sp\u00e9cifient le DIN6921 pour les couvercles moteur, les sous-ch\u00e2ssis de suspension et les supports d\u2019\u00e9chappement \u2014 la collerette \u00e9limine la rondelle s\u00e9par\u00e9e qui serait libre lors de l\u2019assemblage robotis\u00e9.<\/li>\n<li><strong>Fixation de t\u00f4les et de panneaux minces :<\/strong> La collerette \u00e9largie emp\u00eache l\u2019arrachement dans les panneaux de moins de 2 \u00e0 3 mm, o\u00f9 une t\u00eate hexagonale standard d\u00e9formerait ou percerait le panneau sous charge.<\/li>\n<li><strong>Machines et \u00e9quipements soumis aux vibrations :<\/strong> La variante crant\u00e9e assure un auto-freinage contre le desserrage d\u00fb aux vibrations sans rondelle frein, \u00e9crou Nyloc ou frein-filet suppl\u00e9mentaire.<\/li>\n<li><strong>Montage de composants en plastique :<\/strong> La collerette r\u00e9partit la charge de serrage pour \u00e9viter d\u2019\u00e9craser les bo\u00eetiers en thermoplastique. Utilisez uniquement la collerette lisse \u2014 les crans fissureraient les surfaces plastiques.<\/li>\n<li><strong>Assemblage de gaines et de structures CVC :<\/strong> Assemblages de t\u00f4les en grande s\u00e9rie o\u00f9 l\u2019efficacit\u00e9 d\u2019une fixation unique r\u00e9duit le co\u00fbt de main-d\u2019\u0153uvre par joint.<\/li>\n<li><strong>Mat\u00e9riel agricole &amp; engins tout-terrain :<\/strong> Les environnements \u00e0 fortes vibrations avec des surfaces contamin\u00e9es par des particules b\u00e9n\u00e9ficient de la collerette crant\u00e9e auto-freinante.<\/li>\n<li><strong>Assemblage d\u2019armoires &amp; coffrets \u00e9lectriques :<\/strong> Les vis M5 et M6 DIN6921 sont standard pour le montage sur rail DIN et panneau, o\u00f9 la collerette offre une bonne surface de contact pour la mise \u00e0 la terre.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-xc2ztme elementor-widget elementor-widget-image\" data-id=\"xc2ztme\" 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 loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"896\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive.png\" class=\"attachment-full size-full wp-image-4062\" alt=\"Application et assemblage de vis \u00e0 bride DIN6921 pour moteur automobile et ch\u00e2ssis\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive.png 1200w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive-360x269.png 360w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive-723x540.png 723w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive-150x112.png 150w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive-768x573.png 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-application-automotive-16x12.png 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-k96w5aw elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"k96w5aw\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-60 elementor-top-column elementor-element elementor-element-jovvnfp\" data-id=\"jovvnfp\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-xvdw21j elementor-widget elementor-widget-heading\" data-id=\"xvdw21j\" 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\">DIN6921 crant\u00e9e ou non crant\u00e9e \u2014 laquelle choisir ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2aj27xy elementor-widget elementor-widget-text-editor\" data-id=\"2aj27xy\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p><strong>Choisissez la DIN6921 crant\u00e9e pour les assemblages soumis aux vibrations ou aux charges dynamiques sur surfaces en acier dur ; optez pour la collerette lisse pour les mat\u00e9riaux tendres, surfaces rev\u00eatues ou assemblages fr\u00e9quemment d\u00e9mont\u00e9s.<\/strong><\/p>\n<p>C\u2019est la d\u00e9cision que la plupart des acheteurs se trompent \u2014 ils choisissent par d\u00e9faut la version crant\u00e9e car elle \u00ab semble meilleure \u00bb, puis d\u00e9couvrent qu\u2019elle a arrach\u00e9 une surface peinte ou endommag\u00e9 un bossage en aluminium.<\/p>\n<p><strong>R\u00e8gles de d\u00e9cision :<\/strong><\/p>\n<ul>\n<li><strong>Surfaces peintes ou rev\u00eatues \u2192 Bride lisse.<\/strong> Les cr\u00e9nelures enl\u00e8veront le rev\u00eatement et cr\u00e9eront un point de d\u00e9part de corrosion. Si une r\u00e9sistance aux vibrations est n\u00e9cessaire, utilisez une collerette lisse + Loctite 243.<\/li>\n<li><strong>Charge vibratoire ou dynamique sur acier nu \u2192 Bride stri\u00e9e.<\/strong> , les fixations \u00e0 bride stri\u00e9e offrent une r\u00e9sistance au desserrage spontan\u00e9 sous vibration transversale 3 \u00e0 5 fois sup\u00e9rieure \u00e0 celle des boulons \u00e0 t\u00eate plate avec rondelles plates.<\/li>\n<li><strong>Carter en aluminium ou plastique \u2192 Bride lisse uniquement.<\/strong> Les cr\u00e9nelures marqueront ou fissureront les mat\u00e9riaux tendres. Pour l\u2019aluminium, utilisez un DIN6921 inox A2 ou A4 pour \u00e9viter la corrosion galvanique.<\/li>\n<li><strong>Assemblages \u00e0 r\u00e9utilisation fr\u00e9quente (montages, gabarits) \u2192 Collerette lisse.<\/strong> Les stries causent des dommages cumulatifs \u00e0 la surface qui r\u00e9duisent l\u2019int\u00e9grit\u00e9 de l\u2019assemblage apr\u00e8s plusieurs cycles de d\u00e9montage.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bxwjewv elementor-widget elementor-widget-html\" data-id=\"bxwjewv\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\n<table style=\"width:100%;border-collapse:collapse;font-size:13px;\">\n<thead style=\"background:#1B2A4A;color:#fff;\">\n<tr>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">Propri\u00e9t\u00e9<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Non crant\u00e9e (collerette lisse)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Crant\u00e9e (collerette molet\u00e9e)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Fonction de blocage<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Aucune \u2014 rondelle de blocage s\u00e9par\u00e9e n\u00e9cessaire<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Int\u00e9gr\u00e9 \u2014 les dents mordent dans la pi\u00e8ce<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">R\u00e9utilisabilit\u00e9<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Haut<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">R\u00e9duit \u2014 les stries endommagent les surfaces tendres<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Compatibilit\u00e9 de surface<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Tous mat\u00e9riaux, y compris rev\u00eatus\/peints<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Acier et mat\u00e9riaux durs uniquement<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">R\u00e9sistance aux vibrations<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Standard<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Significativement plus \u00e9lev\u00e9<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">\u00c0 utiliser lorsque<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Serrage de pr\u00e9cision, assemblages r\u00e9utilisables, substrats tendres<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Assemblages soumis aux vibrations, installations uniques sur acier nu<\/td><\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-40 elementor-top-column elementor-element elementor-element-gl0y0nj\" data-id=\"gl0y0nj\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6egwgu8 elementor-widget elementor-widget-image\" data-id=\"6egwgu8\" 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 loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"896\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange.png\" class=\"attachment-full size-full wp-image-4061\" alt=\"DIN6921 bride crant\u00e9e vs bride lisse : comparaison du dessous stri\u00e9, dents de verrouillage\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange.png 1200w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange-360x269.png 360w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange-723x540.png 723w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange-150x112.png 150w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange-768x573.png 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/din6921-serrated-vs-plain-flange-16x12.png 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-kgfasrk elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"kgfasrk\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ihfnt3a\" data-id=\"ihfnt3a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-v1m8xnf elementor-widget elementor-widget-heading\" data-id=\"v1m8xnf\" 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\">Comment commander DIN6921 \u2014 Format de sp\u00e9cification<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-djc3fkt elementor-widget elementor-widget-text-editor\" data-id=\"djc3fkt\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p><strong>Le format de commande standard pour DIN6921 est : Vis DIN6921 \u2013 [Filetage] \u00d7 [Longueur] \u2013 [Classe] \u2013 [Serr\u00e9 ou vide].<\/strong><\/p>\n<p>Exemple : <code style=\"background:#f4f4f4;padding:2px 6px;border-radius:3px;font-family:monospace;\">Vis DIN6921 \u2013 M10 \u00d7 30 \u2013 8.8 \u2013 Serr\u00e9e<\/code><\/p>\n<ul>\n<li><strong>M10<\/strong> = Diam\u00e8tre nominal du filetage (le filetage grossier est par d\u00e9faut ; ajoutez le pas pour le filetage fin : M10\u00d71.25)<\/li>\n<li><strong>30<\/strong> = Longueur nominale en mm, mesur\u00e9e \u00e0 partir de la <em>dessous de la collerette<\/em> \u2014 SANS inclure la profondeur de la collerette h<\/li>\n<li><strong>8.8<\/strong> = Classe de r\u00e9sistance (ou inox : A2-70, A4-80, etc.)<\/li>\n<li><strong>Serr\u00e9e<\/strong> = \u00c0 sp\u00e9cifier explicitement pour collerette molet\u00e9e. Par d\u00e9faut (sans suffixe) = collerette lisse<\/li>\n<\/ul>\n<p><strong>Quand choisir DIN6921 plut\u00f4t que DIN931\/DIN933 :<\/strong><\/p>\n<ul>\n<li>Lorsque vous souhaitez \u00e9liminer la rondelle plate s\u00e9par\u00e9e du devis de mat\u00e9riaux \u2014 DIN6921 co\u00fbte g\u00e9n\u00e9ralement 15\u201325% de plus par fixation mais \u00e9limine compl\u00e8tement la rondelle, r\u00e9duisant le co\u00fbt total de l\u2019assemblage et le temps de montage.<\/li>\n<li>Lorsque l\u2019application subit des vibrations et que vous souhaitez une solution de verrouillage automatique \u00e0 composant unique (variante nervur\u00e9e).<\/li>\n<li>Lors du vissage dans une t\u00f4le fine de moins de 3 mm o\u00f9 la r\u00e9sistance \u00e0 l\u2019arrachement est importante.<\/li>\n<li>Lorsqu\u2019un robot ou un syst\u00e8me de couple automatis\u00e9 installe des fixations et que des rondelles l\u00e2ches cr\u00e9ent des probl\u00e8mes d\u2019alimentation ou de blocage.<\/li>\n<li>Lorsque la surface de contact sous une t\u00eate hexagonale standard cr\u00e9e des concentrations de stress inacceptables sur une pi\u00e8ce de travail douce ou composite.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cl5no2t elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cl5no2t\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-54o7lxf\" data-id=\"54o7lxf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-y6hpfis elementor-widget elementor-widget-heading\" data-id=\"y6hpfis\" 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\">Questions fr\u00e9quemment pos\u00e9es sur DIN6921<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-kjsesjv elementor-widget elementor-widget-accordion\" data-id=\"kjsesjv\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-141\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-141\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\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-accordion-title\" tabindex=\"0\">Quelle est la diff\u00e9rence entre DIN6921 et DIN933 ?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-141\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-141\">DIN6921 poss\u00e8de une bride int\u00e9gr\u00e9e (disque \u00e9largi) sous la t\u00eate de la vis qui r\u00e9partit la charge de serrage sur une surface de contact plus large et \u00e9limine le besoin d\u2019une rondelle s\u00e9par\u00e9e. DIN933 est une vis hexagonale \u00e0 filetage complet standard sans bride. DIN6921 est pr\u00e9f\u00e9r\u00e9 dans les assemblages soumis \u00e0 des vibrations ou avec des panneaux fins o\u00f9 une surface de contact plus large ou une capacit\u00e9 de verrouillage automatique est n\u00e9cessaire.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-142\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-142\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\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-accordion-title\" tabindex=\"0\">\u00c0 quoi sert la version crant\u00e9e de la DIN6921 ?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-142\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-142\">La variante \u00e0 collerette crant\u00e9e (molet\u00e9e) poss\u00e8de des dents radiales sous la collerette qui mordent la surface de la pi\u00e8ce lors du serrage, cr\u00e9ant ainsi un effet de blocage m\u00e9canique contre le desserrage sous vibration. Elle remplace le besoin d\u2019une rondelle frein s\u00e9par\u00e9e dans la plupart des applications sur des surfaces en acier dur.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-143\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-143\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\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-accordion-title\" tabindex=\"0\">Comment mesure-t-on la longueur nominale sur un boulon \u00e0 collerette DIN6921 ?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-143\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-143\">La longueur nominale est mesur\u00e9e depuis le dessous de la bride (et non le dessus de la t\u00eate) jusqu\u2019\u00e0 l\u2019extr\u00e9mit\u00e9 du boulon. La profondeur de la bride h n\u2019est PAS incluse dans la longueur nominale. Cela diff\u00e8re d\u2019un boulon hexagonal standard o\u00f9 la longueur est mesur\u00e9e depuis le dessous de la t\u00eate \u2014 tenez-en compte lors du calcul de la longueur du boulon pour une \u00e9paisseur de serrage donn\u00e9e.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-144\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-144\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\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-accordion-title\" tabindex=\"0\">La DIN6921 peut-elle \u00eatre utilis\u00e9e avec des composants en aluminium ou en plastique ?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-144\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-144\">Oui, mais utilisez uniquement la variante \u00e0 collerette lisse (non crant\u00e9e). La version crant\u00e9e endommagerait les surfaces tendres. Pour l\u2019aluminium, il est recommand\u00e9 d\u2019utiliser une DIN6921 en inox A2 ou A4 pour \u00e9viter la corrosion galvanique \u00e0 l\u2019interface aluminium\u2013acier au carbone.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<h3 id=\"elementor-tab-title-145\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-145\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><svg class=\"e-font-icon-svg e-fas-plus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\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-accordion-title\" tabindex=\"0\">Quel est l\u2019\u00e9quivalent ISO de la DIN6921 ?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-145\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-145\">DIN6921 correspond \u00e0 ISO 15071 (boulon \u00e0 bride non crant\u00e9e) et ISO 15072 (boulon \u00e0 bride crant\u00e9e). Ces normes ISO sont compatibles dimensionnellement et largement interchangeables avec DIN6921. Vous pouvez \u00e9galement voir une r\u00e9f\u00e9rence \u00e0 ISO 4162 (boulons hexagonaux \u00e0 bride, petite s\u00e9rie) \u2014 cela couvre une gamme de produits \u00e9troitement li\u00e9e.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-t4hv0zh elementor-widget elementor-widget-image\" data-id=\"t4hv0zh\" 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 loading=\"lazy\" decoding=\"async\" width=\"1376\" height=\"768\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17.png\" class=\"attachment-full size-full wp-image-4063\" alt=\"Ensemble organis\u00e9 de vis et boulons industriels de diff\u00e9rentes tailles, incluant M6, M8, M10, M12 et M16, pr\u00e9sent\u00e9 dans un bo\u00eetier de rangement en plastique noir pour des applications de fabrication et d\u2019assemblage.\" srcset=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17.png 1376w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17-360x201.png 360w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17-800x447.png 800w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17-150x84.png 150w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17-768x429.png 768w, https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-17-18x10.png 18w\" sizes=\"(max-width: 1376px) 100vw, 1376px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-uely3wy elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"uely3wy\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-55hygxc\" data-id=\"55hygxc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-s0x08t2 elementor-widget elementor-widget-heading\" data-id=\"s0x08t2\" 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\">Pr\u00eat \u00e0 commander des boulons hexagonaux \u00e0 bride DIN6921 ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4t4uopt elementor-widget elementor-widget-text-editor\" data-id=\"4t4uopt\" 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 style=\"text-align:center;color:#CBD5E0;font-size:16px;max-width:600px;margin:0 auto 28px;\">Parcourez notre gamme compl\u00e8te par taille, qualit\u00e9 et finition de surface. Tarifs de gros \u00e0 partir de 500 pi\u00e8ces. Assistance technique pour longueurs personnalis\u00e9es et variantes \u00e0 filetage fin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-nknc3vv elementor-align-center elementor-widget elementor-widget-button\" data-id=\"nknc3vv\" 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=\"https:\/\/productionscrews.com\/fr\/\" target=\"_blank\">\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\">Parcourir les produits DIN6921<\/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\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1p7ltor elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1p7ltor\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9mn5rr5\" data-id=\"9mn5rr5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c67nrxp elementor-widget elementor-widget-heading\" data-id=\"c67nrxp\" 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\">Normes de fixation associ\u00e9es<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-tnr7nbj elementor-widget elementor-widget-text-editor\" data-id=\"tnr7nbj\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p>D\u00e9couvrez les normes de fixations associ\u00e9es dans notre biblioth\u00e8que de produits :<\/p>\n<ul style=\"line-height:2.2;\">\n<li><a href=\"https:\/\/productionscrews.com\/fr\/din931-hex-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Boulon hexagonal DIN931 (filetage partiel)<\/a> \u2014 pour les applications n\u00e9cessitant une tige de serrage non filet\u00e9e<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/fr\/din933-hex-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Boulon hexagonal DIN933 (filetage total)<\/a> \u2014 boulon hexagonal enti\u00e8rement filet\u00e9 standard, l\u2019alternative simple au DIN6921<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/fr\/din6923-hex-flange-nut\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">\u00c9crou hexagonal \u00e0 bride DIN6923<\/a> \u2014 l\u2019\u00e9crou \u00e0 bride assorti, s\u2019associe au DIN6921 pour une r\u00e9partition maximale de la charge<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/fr\/din938-stud-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Boulon goujon DIN938<\/a> \u2014 goujon filet\u00e9 pour applications d\u2019insertion permanente<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/fr\/din939-stud-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Boulon goujon DIN939<\/a> \u2014 goujon avec extr\u00e9mit\u00e9 d\u2019engagement plus longue pour logements \u00e0 filetage profond<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Complete DIN6921 hex flange bolt guide: M5\u2013M20 dimension tables, serrated vs plain flange selection, grades 8.8\u201312.9 and A2\/A4, and full comparison with DIN931 and DIN933.<\/p>","protected":false},"author":1,"featured_media":4058,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4066","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/pages\/4066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/comments?post=4066"}],"version-history":[{"count":8,"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/pages\/4066\/revisions"}],"predecessor-version":[{"id":4190,"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/pages\/4066\/revisions\/4190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/media\/4058"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/fr\/wp-json\/wp\/v2\/media?parent=4066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}