{"id":6605,"date":"2023-02-23T18:44:25","date_gmt":"2023-02-23T10:44:25","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6605"},"modified":"2026-06-17T18:45:51","modified_gmt":"2026-06-17T10:45:51","slug":"stainless-steel-fastener-sizes-metric-and-inch-buying-guide","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/fr\/stainless-steel-fastener-sizes-metric-and-inch-buying-guide\/","title":{"rendered":"Tailles des fixations en acier inoxydable\u00a0: guide d'achat m\u00e9trique et Inch"},"content":{"rendered":"<p>Stainless steel fasteners are ordered in both metric and inch sizes, depending on the equipment standard, project market, and mating parts. For buyers, the main risk is not choosing stainless steel itself. The risk is ordering the wrong diameter, pitch, length, or thread system.<\/p>\n\n\n\n<p>A fastener may look close by eye, but metric and inch threads are not interchangeable. Size confirmation should always come before price comparison.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Metric Stainless Steel Fastener Sizes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Common Metric Size Format<\/h3>\n\n\n\n<p>Metric fasteners are described in millimeters. A typical bolt size such as <strong>M10 \u00d7 40<\/strong> means a 10 mm nominal thread diameter and 40 mm length. If pitch is important, it should be written clearly, such as <strong>M10 \u00d7 1.5 \u00d7 40<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00c9l\u00e9ment m\u00e9trique<\/th><th>Exemple<\/th><th>Signification<\/th><\/tr><\/thead><tbody><tr><td>Diam\u00e8tre<\/td><td>M8, M10, M12<\/td><td>Diam\u00e8tre nominal du filetage<\/td><\/tr><tr><td>Emplacement<\/td><td>1.25, 1.5, 1.75 mm<\/td><td>Distance between threads<\/td><\/tr><tr><td>Longueur<\/td><td>30, 50, 100 mm<\/td><td>Measured according to fastener type<\/td><\/tr><tr><td>Mat\u00e9riel<\/td><td>A2, A4, 304, 316<\/td><td>Stainless steel grade<\/td><\/tr><tr><td>Force<\/td><td>A2-70, A4-80<\/td><td>Classe de propri\u00e9t\u00e9 m\u00e9canique<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Metric stainless steel fasteners are common in European, Asian, and global machinery projects. Buyers can review <a href=\"https:\/\/xzfastener.com\/fr\/fastener-material\/stainless-steel\/\">attaches en acier inoxydable<\/a> when comparing material grades.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Inch Stainless Steel Fastener Sizes<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Filetages UNC et UNF<\/h3>\n\n\n\n<p>Inch fasteners use fractional diameters and threads per inch. For example, <strong>1\/2\u201d-13 UNC \u00d7 2\u201d<\/strong> means a 1\/2 inch diameter, 13 threads per inch, and 2 inch length.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Inch Thread Type<\/th><th>Exemple<\/th><th>Utilisation typique<\/th><\/tr><\/thead><tbody><tr><td>UNC<\/td><td>1\/2\u201d-13<\/td><td>General coarse thread<\/td><\/tr><tr><td>UNF<\/td><td>1\/2\u201d-20<\/td><td>Fine thread applications<\/td><\/tr><tr><td>Fractional diameter<\/td><td>1\/4\u201d, 3\/8\u201d, 5\/8\u201d<\/td><td>U.S. standard sizing<\/td><\/tr><tr><td>Inch length<\/td><td>1\u201d, 2\u201d, 3\u201d<\/td><td>Common U.S. purchasing format<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Inch stainless steel fasteners are common in U.S. machinery, maintenance, marine equipment, and replacement projects.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Size Matching Rules for Buyers<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Confirm the Mating Part<\/h3>\n\n\n\n<p>A stainless steel bolt must match the nut, tapped hole, washer, or assembly component. Do not convert metric to inch by approximate diameter only.<\/p>\n\n\n\n<p>Check these items before ordering:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Syst\u00e8me m\u00e9trique ou inch<\/li>\n\n\n\n<li>Fil grossier ou fin<\/li>\n\n\n\n<li>Pas ou TPI<\/li>\n\n\n\n<li>Longueur totale<\/li>\n\n\n\n<li>Longueur du fil<\/li>\n\n\n\n<li>Head type or drive type<\/li>\n\n\n\n<li>Material grade, such as 304 or 316<\/li>\n\n\n\n<li>Required standard, such as DIN, ISO, ASTM, or ASME<\/li>\n<\/ul>\n\n\n\n<p>For standard items, buyers can compare <a href=\"https:\/\/xzfastener.com\/fr\/products-category\/standard-fasteners\/\">attaches standards<\/a> et le plein <a href=\"https:\/\/xzfastener.com\/fr\/home\/products\/\">produits de fixation<\/a> gamme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">When Custom Sizes Are Needed<\/h2>\n\n\n\n<p>Custom stainless steel fasteners may be required for special thread length, non-standard head shape, shoulder diameter, fine pitch, or drawing-based equipment parts. In these cases, use <a href=\"https:\/\/xzfastener.com\/fr\/products-category\/custom-non-standard-fasteners\/\">fixations non standard sur mesure<\/a> and provide drawings or measured samples.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conseil final<\/h2>\n\n\n\n<p>For stainless steel fastener sizes, accuracy matters more than appearance. Define the thread system, pitch, length, material grade, and standard before ordering. A clear RFQ prevents wrong-thread delivery, assembly failure, and unnecessary replacement cost.<\/p>","protected":false},"excerpt":{"rendered":"<p>Stainless steel fasteners are ordered in both metric and inch sizes, depending on the equipment standard, project market, and mating parts. For buyers, the main risk is not choosing stainless steel itself. The risk is ordering the wrong diameter, pitch, length, or thread system. A fastener may look close by eye, but metric and inch [&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":[479],"tags":[482],"class_list":["post-6605","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-sizes-specifications"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts\/6605","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=6605"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts\/6605\/revisions"}],"predecessor-version":[{"id":6606,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/posts\/6605\/revisions\/6606"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/media?parent=6605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/categories?post=6605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/fr\/wp-json\/wp\/v2\/tags?post=6605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}