{"id":6521,"date":"2023-02-16T13:56:41","date_gmt":"2023-02-16T05:56:41","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6521"},"modified":"2026-06-17T13:58:05","modified_gmt":"2026-06-17T05:58:05","slug":"what-should-be-included-in-a-custom-bolt-drawing","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/fr\/what-should-be-included-in-a-custom-bolt-drawing\/","title":{"rendered":"Que doit-on inclure dans un dessin de boulons personnalis\u00e9\u00a0?"},"content":{"rendered":"<p>A custom bolt drawing must give the supplier enough information to quote, manufacture, inspect, and pack the part correctly. A simple sketch with \u201cM20 bolt\u201d is not enough for production.<\/p>\n\n\n\n<p>In real sourcing, many custom bolt problems come from missing details. The bolt shape may be clear, but the thread length, tolerance, material, grade, coating, or inspection requirement is not. That creates quotation delays, wrong samples, or failed assembly after delivery.<\/p>\n\n\n\n<p>For drawing-based orders, buyers should treat the drawing as the main technical contract.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Basic Information Every Custom Bolt Drawing Needs<\/h2>\n\n\n\n<p>A custom bolt drawing should clearly define the geometry, material, strength, surface finish, and acceptance criteria.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Objet de dessin<\/th><th>Que pr\u00e9ciser<\/th><th>Pourquoi c'est important<\/th><\/tr><\/thead><tbody><tr><td>Nom du produit<\/td><td>Custom bolt, anchor bolt, shoulder bolt, U-bolt, etc.<\/td><td>Defines the part type<\/td><\/tr><tr><td>R\u00e9f\u00e9rence standard<\/td><td>DIN, ISO, ASTM, ANSI, or \u201cmade to drawing\u201d<\/td><td>Helps compare with standard fasteners<\/td><\/tr><tr><td>Diam\u00e8tre<\/td><td>Nominal and actual critical diameter<\/td><td>Controls fit and strength<\/td><\/tr><tr><td>Longueur totale<\/td><td>Longueur totale du boulon<\/td><td>Affects assembly depth<\/td><\/tr><tr><td>Pas de filetage<\/td><td>Filetage m\u00e9trique, UNC, UNF ou sp\u00e9cial<\/td><td>Emp\u00eache les erreurs de correspondance des \u00e9crous<\/td><\/tr><tr><td>Longueur du fil<\/td><td>Filetage complet ou filetage partiel<\/td><td>Engagement des contr\u00f4les<\/td><\/tr><tr><td>Style de t\u00eate<\/td><td>Hex, square, round, socket, special head<\/td><td>Affecte l'outillage et le jeu<\/td><\/tr><tr><td>Mat\u00e9riel<\/td><td>Carbon steel, alloy steel, stainless steel, etc.<\/td><td>Contr\u00f4le la solidit\u00e9 et la r\u00e9sistance \u00e0 la corrosion<\/td><\/tr><tr><td>Grade \/ class<\/td><td>8.8, 10.9, 12.9, B7, A2-70, etc.<\/td><td>D\u00e9finit les performances m\u00e9caniques<\/td><\/tr><tr><td>Finition superficielle<\/td><td>Zinc plated, HDG, black oxide, Dacromet, plain<\/td><td>Controls corrosion and thread fit<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Les acheteurs peuvent comparer les disponibles <a href=\"https:\/\/xzfastener.com\/fr\/products-category\/standard-fasteners\/\">attaches standards<\/a> before deciding whether a custom bolt is required.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Critical Dimensions to Mark<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Thread and Shank Details<\/h3>\n\n\n\n<p>Thread information must be complete. Do not write only \u201cM16\u201d if the thread pitch is important.<\/p>\n\n\n\n<p>Inclure\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Grand diam\u00e8tre<\/li>\n\n\n\n<li>Pas de filetage<\/li>\n\n\n\n<li>Longueur du fil<\/li>\n\n\n\n<li>Longueur de tige<\/li>\n\n\n\n<li>Chamfer or thread start<\/li>\n\n\n\n<li>Tol\u00e9rance de filetage si n\u00e9cessaire<\/li>\n\n\n\n<li>Exigence d\u2019\u00e9crou correspondant<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Head and Special Features<\/h3>\n\n\n\n<p>For non-standard heads, mark all working dimensions. This includes head height, across flats, socket depth, hole diameter, radius, groove, slot, bend angle, or welded feature.<\/p>\n\n\n\n<p>If the part is not available as a catalog item, <a href=\"https:\/\/xzfastener.com\/fr\/products-category\/custom-non-standard-fasteners\/\">fixations non standard sur mesure<\/a> should be quoted with a complete drawing or approved sample.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Material, Grade and Finish Requirements<\/h2>\n\n\n\n<p>Material and strength should not be assumed from appearance.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Exigence<\/th><th>Exemple<\/th><\/tr><\/thead><tbody><tr><td>Mat\u00e9riel<\/td><td>40Cr, SCM440, 304, 316, carbon steel<\/td><\/tr><tr><td>Niveau de r\u00e9sistance<\/td><td>Class 8.8, 10.9, 12.9, ASTM A193 B7<\/td><\/tr><tr><td>Traitement thermique<\/td><td>Quenched and tempered, if required<\/td><\/tr><tr><td>Finition superficielle<\/td><td>Zinc plated, hot-dip galvanized, Dacromet<\/td><\/tr><tr><td>Test documents<\/td><td>MTC, hardness test, tensile test, inspection report<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Pour les applications \u00e0 charge \u00e9lev\u00e9e, consultez <a href=\"https:\/\/xzfastener.com\/fr\/products-category\/high-strength-fasteners\/\">attaches \u00e0 haute r\u00e9sistance<\/a> and define mechanical testing before production.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common Drawing Mistakes<\/h2>\n\n\n\n<p>\u00c9vitez ces probl\u00e8mes\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Missing thread pitch.<\/li>\n\n\n\n<li>No tolerance on critical dimensions.<\/li>\n\n\n\n<li>Material listed but no strength grade.<\/li>\n\n\n\n<li>Coating not clearly defined.<\/li>\n\n\n\n<li>No matching nut or washer information.<\/li>\n\n\n\n<li>Drawing does not match the physical sample.<\/li>\n\n\n\n<li>Revision number missing.<\/li>\n\n\n\n<li>No inspection or certificate requirement.<\/li>\n<\/ol>\n\n\n\n<p>Pour les applications sensibles \u00e0 la corrosion, comparez <a href=\"https:\/\/xzfastener.com\/fr\/products-category\/various-coated-fasteners\/\">attaches enduites<\/a> avant de confirmer la finition.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Liste de contr\u00f4le finale de la demande de prix<\/h2>\n\n\n\n<p>Before sending a custom bolt drawing, confirm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Drawing version and unit system<\/li>\n\n\n\n<li>Size, thread, head, and special features<\/li>\n\n\n\n<li>Material, grade, heat treatment, and coating<\/li>\n\n\n\n<li>Quantity and tolerance<\/li>\n\n\n\n<li>Environnement applicatif<\/li>\n\n\n\n<li>Certificats et rapports d'inspection requis<\/li>\n\n\n\n<li>Packaging and labeling needs<\/li>\n<\/ul>\n\n\n\n<p>A good custom bolt drawing reduces guessing. It helps the supplier quote faster, produce more accurately, and inspect the final parts against clear requirements.<\/p>","protected":false},"excerpt":{"rendered":"<p>A custom bolt drawing must give the supplier enough information to quote, manufacture, inspect, and pack the part correctly. A simple sketch with \u201cM20 bolt\u201d is not enough for production. In real sourcing, many custom bolt problems come from missing details. The bolt shape may be clear, but the thread length, tolerance, material, grade, coating, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[493],"class_list":["post-6521","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-drawings-samples-rfq-requirements"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts\/6521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/comments?post=6521"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts\/6521\/revisions"}],"predecessor-version":[{"id":6522,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts\/6521\/revisions\/6522"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/media?parent=6521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/categories?post=6521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/tags?post=6521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}