{"id":8758,"date":"2022-12-08T20:36:25","date_gmt":"2022-12-08T12:36:25","guid":{"rendered":"https:\/\/xzfastener.com\/?p=8758"},"modified":"2026-06-29T20:38:05","modified_gmt":"2026-06-29T12:38:05","slug":"flange-nuts-applications-benefits-and-selection-guide","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/zh\/flange-nuts-applications-benefits-and-selection-guide\/","title":{"rendered":"\u6cd5\u5170\u87ba\u6bcd\uff1a\u5e94\u7528\u3001\u4f18\u70b9\u548c\u9009\u62e9\u6307\u5357"},"content":{"rendered":"<p>Flange nuts are used when a standard hex nut needs more bearing area under the nut face. The built-in flange spreads load over a wider surface and can reduce the need for a separate flat washer in many assemblies.<\/p>\n\n\n\n<p>For buyers, the main question is simple: does the flange nut improve the joint, or is it only being used out of habit?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Is a Flange Nut?<\/h2>\n\n\n\n<p>A flange nut is a hex nut with an integrated washer-like base. The flange can be smooth or serrated.<\/p>\n\n\n\n<p>Smooth flange nuts are used where a larger bearing face is needed. Serrated flange nuts add biting action against the mating surface, which can help resist loosening in light to moderate vibration.<\/p>\n\n\n\n<p>Buyers reviewing industrial <a href=\"https:\/\/xzfastener.com\/zh\/fastener-type\/nuts\/\">\u575a\u679c<\/a> should confirm the flange type, thread, grade, material, and finish before comparing prices.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u5e94\u7528<\/h2>\n\n\n\n<p>Flange nuts are widely used in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automotive brackets and chassis parts<\/li>\n\n\n\n<li>\u673a\u68b0\u6846\u67b6<\/li>\n\n\n\n<li>\u94a3\u91d1\u7ec4\u4ef6<\/li>\n\n\n\n<li>\u7535\u6c14\u5916\u58f3<\/li>\n\n\n\n<li>\u519c\u4e1a\u88c5\u5907<\/li>\n\n\n\n<li>\u6696\u901a\u7a7a\u8c03\u652f\u6301<\/li>\n\n\n\n<li>Light steel structures<\/li>\n\n\n\n<li>Maintenance and repair kits<\/li>\n<\/ul>\n\n\n\n<p>They are often paired with bolts, studs, and screws from <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/standard-fasteners\/\">\u6807\u51c6\u7d27\u56fa\u4ef6<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Flange Nut Types and Buying Points<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u578b<\/th><th>\u4e3b\u8981\u7279\u70b9<\/th><th>\u5178\u578b\u7528\u9014<\/th><th>\u4e70\u5bb6\u987b\u77e5<\/th><\/tr><\/thead><tbody><tr><td>Smooth flange nut<\/td><td>\u5e73\u5766\u7684\u627f\u8f7d\u9762<\/td><td>Painted parts, softer surfaces, general assembly<\/td><td>Less surface damage than serrated type<\/td><\/tr><tr><td>\u952f\u9f7f\u72b6\u6cd5\u5170\u87ba\u6bcd<\/td><td>Teeth under flange<\/td><td>Vibration-prone light assemblies<\/td><td>May damage coatings or soft materials<\/td><\/tr><tr><td>All-metal flange lock nut<\/td><td>Prevailing torque design<\/td><td>Higher temperature or stronger locking demand<\/td><td>Check installation torque<\/td><\/tr><tr><td>Nylon insert flange nut<\/td><td>Nylon locking element<\/td><td>Equipment and general fastening<\/td><td>\u4e0d\u9002\u5408\u9ad8\u6e29<\/td><\/tr><tr><td>Stainless flange nut<\/td><td>\u8010\u8150\u8680<\/td><td>Outdoor, food equipment, marine-adjacent use<\/td><td>Confirm A2, A4, 304, or 316 material<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3b\u8981\u4f18\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Wider Bearing Surface<\/h3>\n\n\n\n<p>The flange spreads pressure better than a narrow hex nut face. This helps reduce surface indentation, especially on slots, thin plates, and softer materials.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Faster Assembly<\/h3>\n\n\n\n<p>In many cases, one flange nut can replace a nut and washer combination. This reduces handling time and lowers the chance of missing washers during assembly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Better Resistance to Loosening<\/h3>\n\n\n\n<p>Serrated flange nuts can improve grip, but they are not a complete solution for severe vibration. Critical joints may still need torque control, thread locking, prevailing torque nuts, or engineered locking washers.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e70\u5bb6\u7504\u9009\u89c4\u5219<\/h2>\n\n\n\n<p>\u8ba2\u8d2d\u524d\u8bf7\u786e\u8ba4\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Standard, such as DIN 6923, ISO 4161, or project drawing.<\/li>\n\n\n\n<li>\u87ba\u7eb9\u5c3a\u5bf8\u548c\u87ba\u8ddd\u3002<\/li>\n\n\n\n<li>Strength grade or property class.<\/li>\n\n\n\n<li>Smooth or serrated flange.<\/li>\n\n\n\n<li>Carbon steel, alloy steel, or stainless steel material.<\/li>\n\n\n\n<li>Surface finish, such as zinc plated, black oxide, or plain stainless.<\/li>\n\n\n\n<li>Mating surface condition.<\/li>\n\n\n\n<li>Packing and label requirements.<\/li>\n<\/ol>\n\n\n\n<p>For metric specification checks, this <a href=\"https:\/\/xzfastener.com\/zh\/din-iso-fastener-standards-complete-overview-for-industrial-buyers\/\">DIN\u548cISO\u7d27\u56fa\u4ef6\u6807\u51c6\u6307\u5357<\/a> can help avoid unclear substitutions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Common Mistakes<\/h2>\n\n\n\n<p>Do not use serrated flange nuts on finished cosmetic surfaces unless marks are acceptable.<\/p>\n\n\n\n<p>Do not assume a flange nut always replaces a washer. Large holes, soft materials, or special bearing requirements may still need washers.<\/p>\n\n\n\n<p>Do not mix nut grades with high-strength bolts without checking compatibility.<\/p>\n\n\n\n<p>For unusual dimensions, special flange sizes, or drawing-based parts, <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/custom-non-standard-fasteners\/\">\u5b9a\u5236\u7d27\u56fa\u4ef6<\/a> \u53ef\u80fd\u9700\u8981\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u7ec8\u8d2d\u4e70\u5efa\u8bae<\/h2>\n\n\n\n<p>A good flange nut RFQ should state the standard, size, thread, grade, material, flange type, finish, quantity, and packing method. Buyers can <a href=\"https:\/\/xzfastener.com\/zh\/home\/contact-us\/\">\u8054\u7cfb\u65b9\u5f0f XZ Fastener<\/a> with drawings or size lists for a clear quotation.<\/p>","protected":false},"excerpt":{"rendered":"<p>Flange nuts are used when a standard hex nut needs more bearing area under the nut face. The built-in flange spreads load over a wider surface and can reduce the need for a separate flat washer in many assemblies. For buyers, the main question is simple: does the flange nut improve the joint, or is [&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":[501],"class_list":["post-8758","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-types-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/8758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/comments?post=8758"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/8758\/revisions"}],"predecessor-version":[{"id":8759,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/8758\/revisions\/8759"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media?parent=8758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/categories?post=8758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/tags?post=8758"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}