{"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\/pt\/din6921-hex-flange-bolt\/","title":{"rendered":"Parafuso Sextavado com Flange DIN6921 | Guia Completo de Especifica\u00e7\u00f5es, Dimens\u00f5es e Aplica\u00e7\u00f5es"},"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\">Parafuso Flangeado Sextavado DIN6921 | Especifica\u00e7\u00f5es Completas, Dimens\u00f5es e Guia de Aplica\u00e7\u00f5es<\/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 \u00e9 um parafuso sextavado m\u00e9trico com uma arruela flangeada integrada sob a cabe\u00e7a que distribui a carga de aperto sobre uma superf\u00edcie mais ampla, dispon\u00edvel nas variantes lisa e serrilhada.<\/p><p style=\"text-align:center;color:#A0AEC0;font-size:15px;max-width:640px;margin:0 auto 32px;\">Este guia cobre tabelas completas de dimens\u00f5es M5\u2013M20, dados de profundidade da flange, classes de material 8.8 at\u00e9 A4-80, sele\u00e7\u00e3o entre flange serrilhada ou lisa e uma compara\u00e7\u00e3o direta com DIN931 e 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\">Ver Tabela de Dimens\u00f5es \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\/pt\/\" 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\">Ver Produtos<\/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\">O que \u00e9 um Parafuso Flangeado Sextavado 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 \u00e9 um parafuso sextavado m\u00e9trico definido pelo Deutsches Institut f\u00fcr Normung (DIN) da Alemanha, apresentando um disco de flange circular ampliado integrado na parte inferior da cabe\u00e7a do parafuso.<\/strong> A flange atua como uma arruela incorporada \u2014 ela distribui a carga de aperto sobre uma superf\u00edcie de apoio significativamente mais ampla do que apenas a cabe\u00e7a sextavada padr\u00e3o.<\/p>\n<p>A norma cobre duas variantes distintas:<\/p>\n<ul>\n<li><strong>Flange lisa (superf\u00edcie de apoio suave):<\/strong> A parte inferior da flange \u00e9 lisa. Usada onde a superf\u00edcie da pe\u00e7a de trabalho deve permanecer intacta \u2014 pain\u00e9is revestidos, superf\u00edcies pintadas, ligas macias e pl\u00e1sticos se beneficiam desta variante.<\/li>\n<li><strong>Flange serrilhada (parte inferior estriada\/riscada):<\/strong> Dentes radiais s\u00e3o prensados na parte inferior da flange durante a fabrica\u00e7\u00e3o. Quando o parafuso \u00e9 apertado, esses dentes penetram na superf\u00edcie da pe\u00e7a de trabalho e criam um efeito mec\u00e2nico de auto travamento.<\/li>\n<\/ul>\n<p>Por <a href=\"https:\/\/www.iso.org\/standard\/28024.html\" rel=\"noopener\" target=\"_blank\">DIN EN ISO 4759-1<\/a>, DIN6921 \u00e9 fabricado conforme <strong>Classe de Produto A<\/strong> (toler\u00e2ncias de precis\u00e3o). A norma \u00e9 dimensionalmente compat\u00edvel com <strong>ISO 15071<\/strong> (n\u00e3o serrilhado) e <strong>ISO 15072<\/strong> (serrilhado).<\/p>\n<p>A maneira mais simples de pensar sobre isso: <strong>DIN6921 = DIN933 + arruela integrada + dentes de travamento opcionais.<\/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 Principais Diferen\u00e7as<\/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 difere do DIN931 e DIN933 principalmente pelo seu disco de flange integrado, que elimina a necessidade de uma arruela plana separada e \u2014 na variante serrilhada \u2014 substitui tamb\u00e9m a arruela de travamento.<\/strong><\/p><p>Os tr\u00eas padr\u00f5es compartilham a mesma geometria de acionamento hexagonal e materiais. Veja onde eles divergem:<\/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;\">Recurso<\/th>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">DIN931 (Rosca Parcial)<\/th>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">DIN933 (Rosca Total)<\/th>\n<th style=\"padding:10px;text-align:left;border:1px solid #ddd;\">DIN6921 (Parafuso com Flange)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Flange Integrada<\/td><td style=\"padding:8px;border:1px solid #ddd;\">N\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;\">N\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Sim \u2014 embutida<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Superf\u00edcie de Apoio<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Apenas sob a cabe\u00e7a<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Apenas sob a cabe\u00e7a<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Flange amplia a \u00e1rea<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Travamento Serrilhado<\/td><td style=\"padding:8px;border:1px solid #ddd;\">N\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;\">N\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Sim (variante serrilhada)<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Arruela Separada<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Normalmente sim<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Normalmente sim<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Normalmente n\u00e3o<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Resist\u00eancia \u00e0 Vibra\u00e7\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Padr\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Padr\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Maior (serrilhada)<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Aplica\u00e7\u00e3o t\u00edpica<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Estrutural geral<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Geralmente totalmente roscado<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0f7ff;\"><strong>Automotivo, pain\u00e9is finos, vibra\u00e7\u00e3o<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Equivalente 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;\">A regra pr\u00e1tica: se sua montagem envolve pain\u00e9is finos, vibra\u00e7\u00e3o ou voc\u00ea deseja reduzir a quantidade de componentes, a DIN6921 supera tanto a DIN931 quanto a DIN933. Um detalhe que as fichas t\u00e9cnicas raramente mencionam: <strong>a flange adiciona de 3 a 8 mm ao di\u00e2metro efetivo da cabe\u00e7a<\/strong> \u2014 verifique o dc em rela\u00e7\u00e3o aos seus requisitos de folga antes de substituir a DIN6921 pela DIN933 em um redesenho.<\/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=\"Compara\u00e7\u00e3o entre parafuso flangeado sextavado DIN6921 e flange integrada DIN931 DIN933\" 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=\"Close-up de parafusos flangeados de alta resist\u00eancia com cabe\u00e7as sextavadas e arruelas integradas, ideais para aplica\u00e7\u00f5es industriais de fixa\u00e7\u00e3o.\" 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\">Tabela Completa de Dimens\u00f5es 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>A DIN6921 \u00e9 produzida de M5 at\u00e9 M20, com di\u00e2metros de flange variando de 11,8 mm (M5) at\u00e9 43 mm (M20) e alturas de cabe\u00e7a de 2,8 mm a 9,5 mm.<\/strong> Os comprimentos de rosca seguem a mesma l\u00f3gica da dimens\u00e3o b de outros parafusos sextavados DIN, variando conforme o comprimento nominal.<\/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=\"Diagrama de dimens\u00f5es do parafuso flangeado DIN6921: dc k h s profundidade da flange comprimento nominal\" 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;\">Rosca d<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Passo P (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Altura da Cabe\u00e7a k (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Di\u00e2metro da Flange dc (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Largura entre Faces s (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Largura entre Cantos e (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Comprimento da Rosca b \u2264125<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Comprimento da Rosca 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;\">Tamanhos entre par\u00eanteses (M14, M18) n\u00e3o s\u00e3o preferenciais. dc = di\u00e2metro externo da flange. Vers\u00f5es de rosca fina dispon\u00edveis para 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;\">Dados de Profundidade da Flange e Superf\u00edcie de Apoio DIN6921<\/h3>\n<p><strong>A profundidade da flange h varia de 3,0 mm (M5) a 8,5 mm (M20).<\/strong> Esses dados s\u00e3o cr\u00edticos ao calcular a altura total instalada (k + h) e ao especificar a profundidade do rebaixo em pe\u00e7as de alum\u00ednio ou comp\u00f3sito.<\/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;\">Rosca d<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Profundidade da Flange h (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Largura de Apoio m (mm)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Flange M\u00edn. 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;\">M\u00e1x 3,0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 1,7<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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;\">M\u00e1x 3,5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 2,2<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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;\">M\u00e1x 4,5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 2,8<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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;\">M\u00e1x 5,0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 3,3<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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;\">M\u00e1x 6,0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 4,2<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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;\">M\u00e1x 7,5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 5,0<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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;\">M\u00e1x 8,5<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 5,8<\/td><td style=\"padding:8px;border:1px solid #ddd;text-align:center;\">M\u00edn 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\">Materiais e Classes de Resist\u00eancia<\/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\u00e1 dispon\u00edvel em a\u00e7o carbono nas classes 8.8 at\u00e9 12.9 e a\u00e7o inoxid\u00e1vel nas classes A2-70 at\u00e9 A4-80, com resist\u00eancia \u00e0 tra\u00e7\u00e3o variando de 800 MPa a 1220 MPa.<\/strong><\/p>\n<p>De acordo com <a href=\"https:\/\/www.iso.org\/standard\/64986.html\" rel=\"noopener\" target=\"_blank\">ISO 898-1, a norma internacional para propriedades mec\u00e2nicas de fixadores<\/a>, a designa\u00e7\u00e3o da classe codifica diretamente a resist\u00eancia \u00e0 tra\u00e7\u00e3o e ao escoamento:<\/p>\n<p><strong>A\u00e7o Carbono:<\/strong><\/p>\n<ul>\n<li><strong>Classe 8.8:<\/strong> 800 MPa de tra\u00e7\u00e3o, 640 MPa de escoamento. Classe vers\u00e1til para automotivo e m\u00e1quinas em geral.<\/li>\n<li><strong>Classe 10.9:<\/strong> 1040 MPa de tra\u00e7\u00e3o, 940 MPa de escoamento. A\u00e7o ligado. Para juntas automotivas de seguran\u00e7a cr\u00edtica.<\/li>\n<li><strong>Classe 12.9:<\/strong> 1220 MPa de tra\u00e7\u00e3o. Aplica\u00e7\u00f5es em automobilismo, fadiga de alto ciclo, pr\u00e9-carga de precis\u00e3o.<\/li>\n<\/ul>\n<p><strong>A\u00e7o Inoxid\u00e1vel:<\/strong><\/p>\n<ul>\n<li><strong>A2-70 (A\u00e7o inox 304):<\/strong> 700 MPa. Resist\u00eancia geral \u00e0 corros\u00e3o, equipamentos aliment\u00edcios, ambientes internos.<\/li>\n<li><strong>A4-70 (A\u00e7o inox 316):<\/strong> 700 MPa. Resist\u00eancia superior a cloretos\/marinha devido ao teor de molibd\u00eanio.<\/li>\n<li><strong>A4-80 (A\u00e7o inox 316, alta resist\u00eancia):<\/strong> 800 MPa. Petroqu\u00edmica, offshore, farmac\u00eautica \u2014 resist\u00eancia + corros\u00e3o.<\/li>\n<\/ul>\n<p><strong>Acabamentos superficiais:<\/strong> Simples \/ Zinco branco \/ Zinco amarelo dicromatado \/ Galvanizado a quente \/ Dacromet \/ \u00d3xido preto<\/p>\n<p><em>Nota: Variante serrilhada HDG DIN6921 \u00e9 incomum \u2014 a camada espessa de zinco (85\u2013100\u00b5m por <a href=\"https:\/\/www.iso.org\/standard\/61758.html\" rel=\"noopener\" target=\"_blank\">ISO 1461<\/a>) preenche os dentes de serrilha. Use Dacromet (5\u201310\u00b5m) em vez disso para preservar a geometria dos dentes.<\/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;\">Material<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Nota<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Aplica\u00e7\u00e3o t\u00edpica<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">A\u00e7o carbono<\/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;\">Automotivo geral, m\u00e1quinas, pain\u00e9is el\u00e9tricos<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">A\u00e7o carbono<\/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;\">Estrutural de alta resist\u00eancia, acabamento padr\u00e3o em zinco amarelo<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">A\u00e7o carbono<\/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;\">Juntas de carga cr\u00edtica, automobilismo, sens\u00edvel \u00e0 fadiga<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Inoxid\u00e1vel<\/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;\">Alimentos, ind\u00fastria leve, ambientes internos<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Inoxid\u00e1vel<\/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;\">Marinho, qu\u00edmico, externo, costeiro<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Inoxid\u00e1vel<\/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;\">Ambientes corrosivos de alto torque, 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\">Principais aplica\u00e7\u00f5es do 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>O DIN6921 \u00e9 especificado sempre que uma superf\u00edcie de apoio mais ampla, redu\u00e7\u00e3o no n\u00famero de componentes ou resist\u00eancia \u00e0 vibra\u00e7\u00e3o \u00e9 necess\u00e1ria \u2014 principalmente em OEM automotivo, chapas met\u00e1licas e m\u00e1quinas vibrat\u00f3rias.<\/strong><\/p>\n<ul>\n<li><strong>Montagem de motor e chassi automotivo:<\/strong> Principais fabricantes especificam DIN6921 em tampas de motor, subchassis de suspens\u00e3o e suportes de escapamento \u2014 a flange elimina a arruela separada que ficaria solta durante a montagem rob\u00f3tica.<\/li>\n<li><strong>Fixa\u00e7\u00e3o de chapas met\u00e1licas e pain\u00e9is finos:<\/strong> A flange ampliada evita o rasgo em pain\u00e9is mais finos que 2\u20133mm, onde uma cabe\u00e7a sextavada padr\u00e3o poderia amassar ou perfurar sob carga.<\/li>\n<li><strong>M\u00e1quinas e equipamentos vibrat\u00f3rios:<\/strong> A variante serrilhada proporciona auto-travamento contra afrouxamento induzido por vibra\u00e7\u00e3o sem necessidade de arruela de travamento adicional, porca Nyloc ou trava de rosca.<\/li>\n<li><strong>Montagem de componentes pl\u00e1sticos:<\/strong> A flange distribui a carga de aperto para evitar danos por esmagamento em carca\u00e7as termopl\u00e1sticas. Use apenas flange lisa \u2014 as serrilhas podem rachar superf\u00edcies pl\u00e1sticas.<\/li>\n<li><strong>Montagem de dutos e estruturas de HVAC:<\/strong> Montagens de chapas met\u00e1licas de alto volume onde a efici\u00eancia de fixa\u00e7\u00e3o \u00fanica reduz o custo de m\u00e3o de obra por junta.<\/li>\n<li><strong>Equipamentos agr\u00edcolas e fora de estrada:<\/strong> Ambientes de alta vibra\u00e7\u00e3o com superf\u00edcies contaminadas por part\u00edculas se beneficiam da flange serrilhada com travamento autom\u00e1tico.<\/li>\n<li><strong>Montagem de gabinete e inv\u00f3lucro el\u00e9trico:<\/strong> M5 e M6 DIN6921 s\u00e3o padr\u00e3o para montagem em trilho DIN e painel \u2014 a flange oferece boa \u00e1rea de contato para aterramento.<\/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=\"Aplica\u00e7\u00e3o e montagem de parafuso flangeado DIN6921 em motor automotivo e chassi\" 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 Serrilhado vs N\u00e3o Serrilhado \u2014 Qual escolher?<\/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>Escolha DIN6921 serrilhado para montagens sujeitas a vibra\u00e7\u00e3o ou cargas din\u00e2micas em superf\u00edcies de a\u00e7o duro; escolha flange lisa para materiais macios, superf\u00edcies revestidas ou juntas que ser\u00e3o desmontadas repetidamente.<\/strong><\/p>\n<p>Esta \u00e9 a decis\u00e3o que a maioria dos compradores erra \u2014 eles escolhem o serrilhado por parecer \u201cmelhor\u201d, e depois descobrem que ele removeu a pintura ou danificou um suporte de alum\u00ednio.<\/p>\n<p><strong>Regras de decis\u00e3o:<\/strong><\/p>\n<ul>\n<li><strong>Superf\u00edcies pintadas ou revestidas \u2192 Flange lisa.<\/strong> Os serrilhados removem o revestimento e criam um ponto de in\u00edcio de corros\u00e3o. Se for necess\u00e1rio resist\u00eancia \u00e0 vibra\u00e7\u00e3o, use flange lisa + Loctite 243.<\/li>\n<li><strong>Vibra\u00e7\u00e3o \/ carga din\u00e2mica em a\u00e7o exposto \u2192 Flange serrilhada.<\/strong> Fixadores com flange serrilhada apresentam resist\u00eancia 3\u20135\u00d7 maior ao afrouxamento sob vibra\u00e7\u00e3o transversal em compara\u00e7\u00e3o com parafusos de cabe\u00e7a lisa com arruelas planas.<\/li>\n<li><strong>Inv\u00f3lucros de alum\u00ednio ou pl\u00e1stico \u2192 Apenas flange lisa.<\/strong> Os serrilhados marcam ou racham materiais macios. Para alum\u00ednio, use DIN6921 de a\u00e7o inox A2 ou A4 para evitar corros\u00e3o galv\u00e2nica.<\/li>\n<li><strong>Juntas de reutiliza\u00e7\u00e3o de alta frequ\u00eancia (dispositivos, gabaritos) \u2192 Flange lisa.<\/strong> Os serrilhados causam danos cumulativos \u00e0 superf\u00edcie, reduzindo a integridade da junta ap\u00f3s m\u00faltiplos ciclos de desmontagem.<\/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;\">Propriedade<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">N\u00e3o Serrilhado (Flange Lisa)<\/th>\n<th style=\"padding:10px;border:1px solid #ddd;\">Serrilhado (Flange Estriada)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Fun\u00e7\u00e3o de Travamento<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Nenhuma \u2014 arruela de travamento separada necess\u00e1ria<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Integrada \u2014 os dentes mordem a pe\u00e7a de trabalho<\/strong><\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Reutilizabilidade<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Alta<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Reduzido \u2014 as serrilhas danificam superf\u00edcies macias<\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Compatibilidade de superf\u00edcie<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Todos os materiais, incluindo revestidos\/pintados<\/strong><\/td><td style=\"padding:8px;border:1px solid #ddd;\">Apenas a\u00e7o e materiais duros<\/td><\/tr>\n<tr style=\"background:#f9f9f9;\"><td style=\"padding:8px;border:1px solid #ddd;\">Resist\u00eancia \u00e0 Vibra\u00e7\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Padr\u00e3o<\/td><td style=\"padding:8px;border:1px solid #ddd;background:#f0fff4;\"><strong>Significativamente maior<\/strong><\/td><\/tr>\n<tr><td style=\"padding:8px;border:1px solid #ddd;\">Quando usar<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Fixa\u00e7\u00e3o de precis\u00e3o, juntas reutiliz\u00e1veis, substratos macios<\/td><td style=\"padding:8px;border:1px solid #ddd;\">Montagens vibrat\u00f3rias, instala\u00e7\u00f5es \u00fanicas em a\u00e7o sem revestimento<\/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=\"Compara\u00e7\u00e3o entre flange inferior serrilhada e lisa do DIN6921: dentes estriados para travamento\" 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\">Como pedir DIN6921 \u2014 Formato de especifica\u00e7\u00e3o<\/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>O formato padr\u00e3o de pedido para DIN6921 \u00e9: Parafuso DIN6921 \u2013 [Rosca] \u00d7 [Comprimento] \u2013 [Classe] \u2013 [Serrilhado ou em branco].<\/strong><\/p>\n<p>Exemplo: <code style=\"background:#f4f4f4;padding:2px 6px;border-radius:3px;font-family:monospace;\">Parafuso DIN6921 \u2013 M10 \u00d7 30 \u2013 8.8 \u2013 Serrilhado<\/code><\/p>\n<ul>\n<li><strong>M10<\/strong> = Di\u00e2metro nominal da rosca (rosca grossa \u00e9 padr\u00e3o; adicione o passo para fina: M10\u00d71.25)<\/li>\n<li><strong>30<\/strong> = Comprimento nominal em mm, medido a partir da <em>parte inferior da flange<\/em> \u2014 N\u00c3O incluindo a profundidade da flange h<\/li>\n<li><strong>8.8<\/strong> = Classe de resist\u00eancia (ou inox: A2-70, A4-80, etc.)<\/li>\n<li><strong>Serrilhado<\/strong> = Especifique explicitamente para flange estriada. Padr\u00e3o (sem sufixo) = flange lisa<\/li>\n<\/ul>\n<p><strong>Quando escolher DIN6921 ao inv\u00e9s de DIN931\/DIN933:<\/strong><\/p>\n<ul>\n<li>Para eliminar a arruela plana separada da lista de materiais \u2014 DIN6921 normalmente custa 15\u201325% mais por fixador, mas elimina totalmente a arruela, reduzindo o custo total da junta e o tempo de montagem<\/li>\n<li>Quando a aplica\u00e7\u00e3o apresenta vibra\u00e7\u00e3o e voc\u00ea deseja uma solu\u00e7\u00e3o autotravante de componente \u00fanico (variante serrilhada)<\/li>\n<li>Ao parafusar em chapas met\u00e1licas finas abaixo de 3mm, onde a resist\u00eancia ao arrancamento \u00e9 importante<\/li>\n<li>Quando um rob\u00f4 ou sistema automatizado de torque est\u00e1 instalando fixadores e arruelas soltas causam problemas de alimenta\u00e7\u00e3o ou travamento<\/li>\n<li>Quando a superf\u00edcie de apoio sob uma cabe\u00e7a sextavada padr\u00e3o cria concentra\u00e7\u00f5es de tens\u00e3o inaceit\u00e1veis em uma pe\u00e7a de trabalho macia ou composta<\/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\">Perguntas Frequentes sobre 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\">Qual \u00e9 a diferen\u00e7a entre DIN6921 e 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\">O DIN6921 possui uma flange integrada (disco ampliado) sob a cabe\u00e7a do parafuso que distribui a carga de aperto sobre uma superf\u00edcie de apoio mais ampla e elimina a necessidade de uma arruela separada. O DIN933 \u00e9 um parafuso sextavado padr\u00e3o com rosca total, sem flange. O DIN6921 \u00e9 preferido em montagens sujeitas a vibra\u00e7\u00e3o ou pain\u00e9is finos, onde \u00e9 necess\u00e1ria uma \u00e1rea de apoio maior ou capacidade autotravante.<\/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\">Para que serve a vers\u00e3o serrilhada do 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\">A variante de flange serrilhada (estriada) possui dentes radiais na parte inferior da flange que mordem a superf\u00edcie da pe\u00e7a ao serem apertados, criando um efeito de travamento mec\u00e2nico contra o afrouxamento por vibra\u00e7\u00e3o. Substitui a necessidade de uma arruela de travamento separada na maioria das aplica\u00e7\u00f5es em superf\u00edcies de a\u00e7o duro.<\/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\">Como \u00e9 medida o comprimento nominal de um parafuso flangeado 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\">O comprimento nominal \u00e9 medido a partir da parte inferior da flange (n\u00e3o do topo da cabe\u00e7a) at\u00e9 a extremidade do parafuso. A profundidade da flange h N\u00c3O est\u00e1 inclu\u00edda no comprimento nominal. Isso difere de um parafuso sextavado padr\u00e3o, onde o comprimento \u00e9 medido a partir da parte inferior da cabe\u00e7a \u2014 leve isso em considera\u00e7\u00e3o ao calcular o comprimento do parafuso para um determinado conjunto de fixa\u00e7\u00e3o.<\/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\">O DIN6921 pode ser usado com componentes de alum\u00ednio ou pl\u00e1stico?<\/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\">Sim, mas utilize apenas a variante de flange lisa (n\u00e3o serrilhada). A vers\u00e3o serrilhada danificaria superf\u00edcies macias. Para alum\u00ednio, recomenda-se o DIN6921 em a\u00e7o inoxid\u00e1vel A2 ou A4 para evitar corros\u00e3o galv\u00e2nica na interface alum\u00ednio\u2013a\u00e7o carbono.<\/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\">Qual \u00e9 o equivalente ISO do 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\">O DIN6921 corresponde \u00e0 ISO 15071 (parafuso flangeado sem serrilha) e ISO 15072 (parafuso flangeado serrilhado). Essas normas ISO s\u00e3o dimensionalmente compat\u00edveis e amplamente intercambi\u00e1veis com o DIN6921. Voc\u00ea tamb\u00e9m pode encontrar refer\u00eancia \u00e0 ISO 4162 (parafusos sextavados com flange, s\u00e9rie pequena) \u2014 que cobre uma linha de produtos intimamente relacionada.<\/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=\"Conjunto organizado de parafusos e prisioneiros industriais em v\u00e1rios tamanhos, incluindo M6, M8, M10, M12 e M16, exibidos em estojo pl\u00e1stico preto para aplica\u00e7\u00f5es de fabrica\u00e7\u00e3o e montagem.\" 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\">Pronto para pedir parafusos flangeados sextavados 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;\">Consulte nossa linha completa por tamanho, classe e acabamento superficial. Pre\u00e7os para grandes quantidades a partir de 500 pe\u00e7as. Suporte t\u00e9cnico para comprimentos personalizados e variantes de rosca fina.<\/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\/pt\/\" 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\">Ver produtos 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\">Normas de fixa\u00e7\u00e3o relacionadas<\/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>Explore normas de fixadores relacionadas em nossa biblioteca de produtos:<\/p>\n<ul style=\"line-height:2.2;\">\n<li><a href=\"https:\/\/productionscrews.com\/pt\/din931-hex-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Parafuso sextavado DIN931 (rosca parcial)<\/a> \u2014 para aplica\u00e7\u00f5es que necessitam de haste sem rosca<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/pt\/din933-hex-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Parafuso Sextavado DIN933 (Rosca Total)<\/a> \u2014 parafuso sextavado totalmente roscado padr\u00e3o, a alternativa simples ao DIN6921<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/pt\/din6923-hex-flange-nut\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Porca Flangeada Sextavada DIN6923<\/a> \u2014 a porca flangeada correspondente, combina com o DIN6921 para m\u00e1xima distribui\u00e7\u00e3o de carga<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/pt\/din938-stud-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Prisioneiro DIN938<\/a> \u2014 prisioneiro roscado para aplica\u00e7\u00f5es de inser\u00e7\u00e3o permanente<\/li>\n<li><a href=\"https:\/\/productionscrews.com\/pt\/din939-stud-bolt\/\" style=\"color:#2563EB;font-weight:500;\" target=\"_blank\">Prisioneiro DIN939<\/a> \u2014 prisioneiro com extremidade de engate mais longa para alojamentos de rosca profunda<\/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\/pt\/wp-json\/wp\/v2\/pages\/4066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/comments?post=4066"}],"version-history":[{"count":8,"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/pages\/4066\/revisions"}],"predecessor-version":[{"id":4190,"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/pages\/4066\/revisions\/4190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/media\/4058"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/pt\/wp-json\/wp\/v2\/media?parent=4066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}