{"id":2986,"date":"2026-06-19T03:39:09","date_gmt":"2026-06-19T03:39:09","guid":{"rendered":"https:\/\/www.rlfasteners.com\/?p=2986"},"modified":"2026-07-14T03:36:37","modified_gmt":"2026-07-14T03:36:37","slug":"metric-vs-imperial-automotive-fasteners-risks","status":"publish","type":"post","link":"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/","title":{"rendered":"\u30e1\u30fc\u30c8\u30eb\u6cd5\u5bfe\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\uff1a\u6df7\u5408\u3059\u308b\u30ea\u30b9\u30af\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u76ee\u6b21\u3092\u5207\u308a\u66ff\u3048\u308b\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#What_Are_the_Differences_Between_Imperial_and_Metric_Automotive_Fasteners\" title=\"\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u304a\u3088\u3073\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\">\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u304a\u3088\u3073\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#Why_Is_Mixing_Fastener_Standards_Dangerous_for_Automotive_Platforms\" title=\"\u30d5\u30a1\u30b9\u30ca\u30fc\u898f\u683c\u306e\u6df7\u7528\u304c\u81ea\u52d5\u8eca\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u3068\u3063\u3066\u5371\u967a\u306a\u7406\u7531\u306f\u4f55\u3067\u3059\u304b\uff1f\">\u30d5\u30a1\u30b9\u30ca\u30fc\u898f\u683c\u306e\u6df7\u7528\u304c\u81ea\u52d5\u8eca\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u3068\u3063\u3066\u5371\u967a\u306a\u7406\u7531\u306f\u4f55\u3067\u3059\u304b\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#How_Do_Thread_Mismatches_Affect_Joint_Integrity\" title=\"\u306d\u3058\u306e\u4e0d\u4e00\u81f4\u306f\u63a5\u5408\u90e8\u306e\u5b8c\u5168\u6027\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f\">\u306d\u3058\u306e\u4e0d\u4e00\u81f4\u306f\u63a5\u5408\u90e8\u306e\u5b8c\u5168\u6027\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#Identifying_Fastener_Grades_Accurately\" title=\"\u30d5\u30a1\u30b9\u30ca\u30fc\u7b49\u7d1a\u3092\u6b63\u78ba\u306b\u8b58\u5225\u3059\u308b\">\u30d5\u30a1\u30b9\u30ca\u30fc\u7b49\u7d1a\u3092\u6b63\u78ba\u306b\u8b58\u5225\u3059\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#How_Can_Precision_Manufacturing_Alleviate_Compatibility_Concerns\" title=\"\u7cbe\u5bc6\u88fd\u9020\u306f\u4e92\u63db\u6027\u306e\u61f8\u5ff5\u3092\u3069\u306e\u3088\u3046\u306b\u8efd\u6e1b\u3067\u304d\u307e\u3059\u304b\uff1f\">\u7cbe\u5bc6\u88fd\u9020\u306f\u4e92\u63db\u6027\u306e\u61f8\u5ff5\u3092\u3069\u306e\u3088\u3046\u306b\u8efd\u6e1b\u3067\u304d\u307e\u3059\u304b\uff1f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#CNRL_Manufacturing_Capabilities_and_Certifications\" title=\"CNRL\u306e\u88fd\u9020\u80fd\u529b\u3068\u8a8d\u8a3c\">CNRL\u306e\u88fd\u9020\u80fd\u529b\u3068\u8a8d\u8a3c<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/#Conclusion\" title=\"\u7d50\u8ad6\">\u7d50\u8ad6<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u3068\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001\u307e\u3063\u305f\u304f\u7570\u306a\u308b\u6e2c\u5b9a\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u306d\u3058\u30bf\u30a4\u30d7\u3092\u6df7\u7528\u3059\u308b\u3068\u3001\u306d\u3058\u5c71\u306e\u7834\u640d\u3084\u63a5\u5408\u90e8\u306e\u7834\u640d\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u4e0d\u4e00\u81f4\u306f\u3001\u81ea\u52d5\u8eca\u306e\u7d44\u307f\u7acb\u3066\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b8c\u5168\u6027\u3092\u7834\u58ca\u3057\u307e\u3059\u3002\u53d6\u308a\u4ed8\u3051\u524d\u306b\u5fc5\u305a\u6b63\u78ba\u306a\u306d\u3058\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Are_the_Differences_Between_Imperial_and_Metric_Automotive_Fasteners\"><\/span>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u304a\u3088\u3073\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001ISO\u898f\u683c\u306e\u4e0b\u3067\u76f4\u5f84\u3068\u30d4\u30c3\u30c1\u306b\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\u5bf8\u6cd5\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001\u30a4\u30f3\u30c1\u5358\u4f4d\u3067\u76f4\u5f84\u3092\u6307\u5b9a\u3057\u30011\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u306d\u3058\u5c71\u6570\uff08TPI\uff09\u3067\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7570\u306a\u308b\u6e2c\u5b9a\u57fa\u6e96\u306f\u30012\u3064\u306e\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u76f4\u63a5\u7684\u306a\u4e92\u63db\u6027\u3092\u59a8\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e16\u754c\u4e2d\u306e\u6700\u65b0\u306e\u8eca\u4e21\u3067\u306f\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u7d44\u307f\u7acb\u3066\u306e\u305f\u3081\u306b\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u30a2\u30e1\u30ea\u30ab\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u3001\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30dc\u30eb\u30c8\u3084\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5f15\u304d\u7d9a\u304d\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30fb\u30ca\u30b7\u30e7\u30ca\u30eb\u30fb\u30b3\u30fc\u30b9\uff08UNC\uff09\u306d\u3058\u3068\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306d\u3058\u306f60\u5ea6\u306e\u89d2\u5ea6\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30d4\u30c3\u30c1\u306f\u5b8c\u5168\u306b\u885d\u7a81\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u78ba\u306a\u306d\u3058\u4ed5\u69d8\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u78ba\u7acb\u3055\u308c\u305f\u56fd\u969b\u7684\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u898f\u683c\u3092\u53c2\u7167\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3059\u3079\u3066\u306e\u30b3\u30fc\u30b9\u30d4\u30c3\u30c1\u306d\u3058\u306b\u5bfe\u3057\u3066ISO 261\u306b\u5f93\u3044\u307e\u3059\u3002\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u6a19\u6e96\u306e\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u306d\u3058\u306b\u5bfe\u3057\u3066ASME B1.1\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u5bf8\u6cd5\u306f\u3001M\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3001\u516c\u79f0\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\u76f4\u5f84\u3001\u304a\u3088\u3073\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\u30d4\u30c3\u30c1\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u5bf8\u6cd5\u306f\u3001\u76f4\u5f84\u306b\u5206\u6570\u30a4\u30f3\u30c1\u3001\u30d4\u30c3\u30c1\u306bTPI\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u7b49\u7d1a\u306f\u3001\u5f15\u5f35\u5f37\u5ea6\u3092\u793a\u3059\u6570\u5024\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u7b49\u7d1a\u306f\u3001\u6750\u6599\u5f37\u5ea6\u3092\u793a\u3059SAE\u306e\u653e\u5c04\u72b6\u7dda\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u4ed5\u69d8<\/strong><\/td><td><strong>\u30e1\u30fc\u30c8\u30eb\u898f\u683c ISO\u898f\u683c<\/strong><\/td><td><strong>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c UNC\u898f\u683c<\/strong><\/td><\/tr><tr><td>\u57fa\u672c\u5358\u4f4d<\/td><td>\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\uff08mm\uff09<\/td><td>\u30a4\u30f3\u30c1\uff08in\uff09<\/td><\/tr><tr><td>\u306d\u3058\u89d2\u5ea6<\/td><td>60\u5ea6<\/td><td>60\u5ea6<\/td><\/tr><tr><td>\u30d4\u30c3\u30c1\u6e2c\u5b9a<\/td><td>\u306d\u3058\u9593\u306e\u8ddd\u96e2<\/td><td>\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u306d\u3058\u5c71 (TPI)<\/td><\/tr><tr><td>\u4f8b<\/td><td>M10 x 1.5<\/td><td>3\/8&#8243;-16<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Is_Mixing_Fastener_Standards_Dangerous_for_Automotive_Platforms\"><\/span>\u30d5\u30a1\u30b9\u30ca\u30fc\u898f\u683c\u306e\u6df7\u7528\u304c\u81ea\u52d5\u8eca\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u3068\u3063\u3066\u5371\u967a\u306a\u7406\u7531\u306f\u4f55\u3067\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a19\u6e96\u30b7\u30b9\u30c6\u30e0\u306e\u6df7\u7528\u306f\u3001\u63a5\u5408\u90e8\u306e\u7d44\u307f\u7acb\u3066\u4e2d\u306b\u5373\u5ea7\u306b\u6a5f\u68b0\u7684\u306a\u4e92\u63db\u6027\u306e\u554f\u984c\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u30dc\u30eb\u30c8\u306b\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u30ca\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u306d\u3058\u5c71\u304c\u98df\u3044\u8fbc\u307f\u3001\u3059\u3050\u306b\u56fa\u7740\u3057\u307e\u3059\u3002\u3053\u306e\u5371\u967a\u306a\u884c\u70ba\u306f\u3001\u30bf\u30c3\u30d7\u7a74\u3092\u640d\u50b7\u3057\u3001\u81ea\u52d5\u8eca\u7528\u306d\u3058\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u53f0\u7121\u3057\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u56fd\u7c4d\u306e\u81ea\u52d5\u8eca\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u5730\u57df\u7684\u306a\u88fd\u9020\u79fb\u884c\u4e2d\u306b\u30ed\u30fc\u30ab\u30e9\u30a4\u30ba\u3055\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8aa4\u3063\u3066\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u30bf\u30c3\u30d7\u7a74\u306b\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u3092Substituting\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6b63\u78ba\u306a\u9593\u9055\u3044\u306f\u3001\u7d44\u307f\u7acb\u3066\u30e9\u30a4\u30f3\u3067\u6df1\u523b\u306a\u30cb\u30a2\u30df\u30b9\u30b7\u30ca\u30ea\u30aa\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u30013\/8\u30a4\u30f3\u30c1-16 UNC\u306e\u7a74\u306b\u306d\u3058\u8fbc\u307e\u308c\u305fM10\u30dc\u30eb\u30c8\u306f\u3001\u6700\u521d\u306f\u304d\u3064\u304f\u611f\u3058\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e0d\u4e00\u81f4\u306e\u30d4\u30c3\u30c1\u306f\u3001\u63a5\u5408\u90e8\u306b\u5bfe\u3057\u3066\u5b9f\u969b\u306e\u30af\u30e9\u30f3\u30d7\u529b\u3092\u307e\u3063\u305f\u304f\u767a\u751f\u3055\u305b\u307e\u305b\u3093\u3002\u81ea\u52d5\u8eca\u306e\u5468\u671f\u7684\u306a\u632f\u52d5\u306b\u3088\u308a\u3001\u3053\u306e\u5f31\u3044\u63a5\u7d9a\u90e8\u3067\u6025\u901f\u306b\u75b2\u52b4\u7834\u58ca\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306d\u3058\u5c71\u306e\u7834\u640d\u306f\u5f90\u3005\u306b\u9032\u884c\u3057\u3001\u521d\u671f\u306e\u7d44\u307f\u7acb\u3066\u3067\u306f\u5e38\u306b\u691c\u51fa\u3067\u304d\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u90e8\u5206\u7684\u306b\u7834\u640d\u3057\u305f\u306d\u3058\u5c71\u306f\u30ca\u30c3\u30c8\u3092\u4fdd\u6301\u3057\u307e\u3059\u304c\u3001\u91cd\u8981\u306a\u8010\u8377\u91cd\u80fd\u529b\u3092\u5931\u3044\u307e\u3059\u3002\u91cd\u3044\u52d5\u8377\u91cd\u306e\u4e0b\u3067\u306f\u3001\u3053\u306e\u640d\u306a\u308f\u308c\u305f\u63a5\u7d9a\u90e8\u306f\u6700\u7d42\u7684\u306b\u5b8c\u5168\u306b\u7834\u640d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u306e\u8868\u306f\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u7d44\u307f\u7acb\u3066\u306e\u4e0d\u4e00\u81f4\u306e\u7d50\u679c\u306e\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u30d5\u30a1\u30b9\u30ca\u30fc<\/strong><\/td><td><strong>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u30bf\u30c3\u30d7\u7a74<\/strong><\/td><td><strong>\u76f4\u5f84\u306e\u30ae\u30e3\u30c3\u30d7<\/strong><\/td><td><strong>\u7d44\u307f\u7acb\u3066\u4e0d\u4e00\u81f4\u306e\u7d50\u679c<\/strong><\/td><\/tr><tr><td>M8 x 1.25<\/td><td>5\/16\u30a4\u30f3\u30c1-18 UNC<\/td><td>06 mm<\/td><td>\u0402\u045a4\u0433\u201a\u0457\u0433\u0453\u0458\u0433\u0453\u0456\u0435\u0455\u040a\u0433\u0403\u00ab\u0436\u040b\u0491\u0433\u0403\u0457\u0433\u0402\u0403\u0438\u00a6\u0404\u0433\u201a\u2116\u0433\u0453\u00ac\u0433\u0453\u0453\u0433\u0453\u2030\u0433\u201a\u2019\u0435\u00ae\u040a\u0435\u2026\u0401\u0433\u0403\u00ab\u0435\u2030\u0490\u0433\u0403\u040b\u0435\u040f\u2013\u0433\u201a\u0409\u0433\u0403\u0455\u0433\u0403\u2122\u0433\u0402\u201a<\/td><\/tr><tr><td>M10 x 1.5<\/td><td>3\/8\u30a4\u30f3\u30c1-16 UNC<\/td><td>475 mm<\/td><td>\u304d\u3064\u304f\u7de0\u307e\u308a\u307e\u3059\u304c\u3001\u30af\u30e9\u30f3\u30d7\u529b\u306f\u30bc\u30ed\u3067\u3059\u3002<\/td><\/tr><tr><td>M12 x 1.75<\/td><td>1\/2\u30a4\u30f3\u30c1-13 UNC<\/td><td>70 mm<\/td><td>\u306d\u3058\u5c71\u306e\u5f62\u72b6\u304c\u5927\u304d\u304f\u885d\u7a81\u3057\u3001\u9069\u5207\u306a\u306d\u3058\u5c71\u306e\u4fc2\u5408\u3092\u9632\u304e\u307e\u3059\u3002<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image4-7-1024x512.webp\" alt=\"\" class=\"wp-image-2992\" srcset=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image4-7-1024x512.webp 1024w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image4-7-300x150.webp 300w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image4-7-768x384.webp 768w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image4-7-18x9.webp 18w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image4-7.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_Thread_Mismatches_Affect_Joint_Integrity\"><\/span>\u306d\u3058\u306e\u4e0d\u4e00\u81f4\u306f\u63a5\u5408\u90e8\u306e\u5b8c\u5168\u6027\u306b\u3069\u306e\u3088\u3046\u306b\u5f71\u97ff\u3057\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u5408\u90e8\u306e\u5b8c\u5168\u6027\u306f\u3001\u9069\u5207\u306a\u306d\u3058\u5c71\u306e\u4fc2\u5408\u9577\u3055\u3068\u30d4\u30c3\u30c1\u306e\u6574\u5408\u6027\u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4fc2\u5408\u304c\u77ed\u3059\u304e\u308b\u3068\u3001\u5f15\u5f35\u4e0b\u3067\u58ca\u6ec5\u7684\u306a\u306d\u3058\u5c71\u306e\u7834\u640d\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30d4\u30c3\u30c1\u306e\u9055\u3044\u306f\u306d\u3058\u5c71\u306e\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3092\u6d88\u8cbb\u3057\u3001\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3068\u5b8c\u5168\u306a\u63a5\u5408\u90e8\u306e\u56fa\u7740\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9593\u9055\u3063\u305f\u81ea\u52d5\u8eca\u7528\u306d\u3058\u3084\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8eca\u4e21\u306e\u5b89\u5168\u6027\u304c\u5371\u967a\u306b\u3055\u3089\u3055\u308c\u307e\u3059\u3002\u30b7\u30e3\u30fc\u30b7\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u69cb\u9020\u7684\u5b8c\u5168\u6027\u306f\u3001\u6b63\u78ba\u306a\u30af\u30e9\u30f3\u30d7\u529b\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4e0d\u4e00\u81f4\u306e\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001\u52d5\u4f5c\u5fdc\u529b\u4e0b\u3067\u3053\u306e\u91cd\u8981\u306a\u5f35\u529b\u3092\u7dad\u6301\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u52d5\u8eca\u306e\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u306f\u3001\u6bce\u65e5\u7d76\u3048\u9593\u306a\u3044\u632f\u52d5\u3068\u53b3\u3057\u3044\u71b1\u30b5\u30a4\u30af\u30eb\u306b\u8010\u3048\u307e\u3059\u3002\u4e0d\u4e00\u81f4\u306e\u306d\u3058\u5c71\u306f\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u672c\u4f53\u5185\u306b\u5c40\u6240\u7684\u306a\u5fdc\u529b\u96c6\u4e2d\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5fdc\u529b\u96c6\u4e2d\u90e8\u306f\u3001\u6a19\u6e96\u7684\u306a\u8eca\u4e21\u306e\u52d5\u4f5c\u6761\u4ef6\u4e0b\u3067\u306e\u4e80\u88c2\u4f1d\u64ad\u3092\u52a0\u901f\u3057\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u75b2\u52b4\u7834\u58ca\u306f\u3001\u4e8b\u524d\u306e\u8996\u899a\u7684\u306a\u8b66\u544a\u30b5\u30a4\u30f3\u306a\u3057\u306b\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Identifying_Fastener_Grades_Accurately\"><\/span>\u30d5\u30a1\u30b9\u30ca\u30fc\u7b49\u7d1a\u3092\u6b63\u78ba\u306b\u8b58\u5225\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f37\u5ea6\u533a\u5206\u306f\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u964d\u4f0f\u5f37\u5ea6\u3068\u5f15\u5f35\u5f37\u5ea6\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e <a href=\"https:\/\/www.rlfasteners.com\/ja\/products\/china-fasteners-8-8-grade-hex-bolts-and-nuts-m6-m36\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30af\u30e9\u30b98.8\u30dc\u30eb\u30c8<\/a> \u306f\u3001800 MPa\u306e\u5f15\u5f35\u5f37\u5ea6\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\u306a\u69cb\u9020\u7684\u63a5\u7d9a\u306e\u305f\u3081\u306b640 MPa\u306e\u964d\u4f0f\u5f37\u5ea6\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SAE\u30b0\u30ec\u30fc\u30c95\u306f\u3001\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u898f\u683c\u306e\u7528\u9014\u3067\u540c\u69d8\u306e\u4e2d\u5f37\u5ea6\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30dc\u30eb\u30c8\u306e\u982d\u306b3\u672c\u306e\u76ee\u306b\u898b\u3048\u308b\u653e\u5c04\u72b6\u7dda\u304c\u3042\u308a\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u627f\u8a8d\u306a\u3057\u306b\u76f4\u63a5Substituting\u3059\u308b\u3068\u3001\u5168\u4f53\u7684\u306a\u69cb\u9020\u7684\u7834\u640d\u306e\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u4ea4\u63db\u7528\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u9078\u629e\u3059\u308b\u524d\u306b\u3001\u8010\u5727\u8377\u91cd\u9650\u5ea6\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8010\u5727\u8377\u91cd\u306f\u3001\u306d\u3058\u4ed8\u304d\u30dc\u30eb\u30c8\u306e\u6700\u5927\u5f3e\u6027\u7bc4\u56f2\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u306e\u6307\u5b9a\u3055\u308c\u305f\u9650\u5ea6\u3092\u8d85\u3048\u3066\u5f35\u529b\u3092\u304b\u3051\u308b\u3068\u3001\u4e0d\u53ef\u9006\u7684\u306a\u5851\u6027\u5909\u5f62\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u5ef6\u6027\u3092\u5931\u3044\u3001\u5c06\u6765\u306e\u4f7f\u7528\u306e\u305f\u3081\u306b\u5b8c\u5168\u306b\u56de\u5fa9\u4e0d\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<style>\n  .product-card {\n    display: flex;\n    align-items: center;\n    justify-content: center;\n    height: 400px;\n    border: 1px solid #ddd;\n    border-radius: 10px;\n    overflow: hidden;\n    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);\n    max-width: 900px;\n    margin: 0 auto;\n    gap: 40px;\n    padding: 20px;\n    box-sizing: border-box;\n  }\n\n  .product-left,\n  .product-right {\n    flex: 1 1 50%;\n    display: flex;\n    flex-direction: column;\n    justify-content: center;\n    align-items: center;\n    text-align: center;\n  }\n\n  .product-left {\n    gap: 20px;\n  }\n\n  .product-title {\n    font-size: 24px;\n    font-weight: 700;\n    color: #b59d53;\n    margin: 0;\n  }\n\n  .product-button {\n    background-color: transparent;\n    color: #b59d53;\n    border: 2px solid #b59d53;\n    padding: 12px 24px;\n    font-size: 15px;\n    border-radius: 6px;\n    cursor: pointer;\n    transition: all 0.3s ease;\n    text-decoration: none;\n    display: inline-block;\n  }\n\n  .product-button:hover {\n    border-color: #333333;\n    color: #333333;\n    transform: scale(1.1);\n  }\n\n  .product-right img {\n    max-width: 100%;\n    max-height: 360px;\n    object-fit: contain;\n    border-radius: 10px;\n  }\n\n  @media (max-width: 768px) {\n    .product-card {\n      flex-direction: column;\n      height: auto;\n      padding: 15px;\n      gap: 15px;\n    }\n\n    .product-left,\n    .product-right {\n      flex: none;\n      width: 100%;\n      text-align: center;\n    }\n\n    .product-right img {\n      max-height: 300px;\n      margin-bottom: 15px;\n    }\n\n    .product-left {\n      order: 2;\n      gap: 10px;\n      align-items: center;\n    }\n\n    .product-right {\n      order: 1;\n    }\n  }\n<\/style>\n\n<div class=\"product-card\">\n  <div class=\"product-right\">\n    <img decoding=\"async\" src=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2022\/07\/%E4%B8%BB%E5%9B%BE-05-7.jpg\" alt=\"\u81ea\u52d5\u8eca\u30c8\u30e9\u30c3\u30af\u30b7\u30e3\u30fc\u30b7\u30d5\u30a1\u30b9\u30ca\u30fc OEM \u30d6\u30c3\u30b7\u30f3\u30b0\u30ca\u30c3\u30c8 \u6392\u6c17\u30cf\u30f3\u30ac\u30fc\u30ed\u30c3\u30c9 \u30dc\u30eb\u30c8\"\/>\n  <\/div>\n  <div class=\"product-left\">\n    <p class=\"product-title\">IATF 16949\u8a8d\u8a3c\u53d6\u5f97\u6e08\u307f\u81ea\u52d5\u8eca\u30c8\u30e9\u30c3\u30af\u30b7\u30e3\u30fc\u30b7\u30d5\u30a1\u30b9\u30ca\u30fc OEM\u30d6\u30c3\u30b7\u30f3\u30b0\u30ca\u30c3\u30c8\u6392\u6c17\u30cf\u30f3\u30ac\u30fc\u30ed\u30c3\u30c9\u30dc\u30eb\u30c8\n<\/p>\n    <a href=\"https:\/\/www.rlfasteners.com\/ja\/products\/automotive-truck-chassis-fasteners-oem-bushing-nut-exhaust-hanger-rods-bolt\/\" target=\"_blank\" class=\"product-button\">\u8a73\u7d30\u60c5\u5831<\/a>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Can_Precision_Manufacturing_Alleviate_Compatibility_Concerns\"><\/span>\u7cbe\u5bc6\u88fd\u9020\u306f\u4e92\u63db\u6027\u306e\u61f8\u5ff5\u3092\u3069\u306e\u3088\u3046\u306b\u8efd\u6e1b\u3067\u304d\u307e\u3059\u304b\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cbe\u5bc6\u88fd\u9020\u306f\u3001\u7169\u308f\u3057\u3044\u7d44\u307f\u7acb\u3066\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u5bf8\u6cd5\u5909\u52d5\u3092\u6392\u9664\u3057\u307e\u3059\u3002\u5de5\u5834\u306f\u3001\u88fd\u9020\u4e2d\u306b\u306d\u3058\u30d4\u30c3\u30c1\u3068\u5074\u9762\u89d2\u5ea6\u3092\u53b3\u5bc6\u306b\u7ba1\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8cfc\u5165\u8005\u306f\u3001\u81ea\u52d5\u8eca\u7528\u30ca\u30c3\u30c8\u3001\u30dc\u30eb\u30c8\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u304c\u5b8c\u5168\u306b\u9069\u5408\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"CNRL_Manufacturing_Capabilities_and_Certifications\"><\/span>CNRL\u306e\u88fd\u9020\u80fd\u529b\u3068\u8a8d\u8a3c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">CNRL\u306f\u3001\u3059\u3079\u3066\u306e\u91cd\u8981\u306a\u306d\u3058\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u6b63\u78ba\u306a\u5236\u5fa1\u3092\u7dad\u6301\u3057\u307e\u3059\u3002\u540c\u793e\u306f\u3053\u308c\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059 <a href=\"https:\/\/www.rlfasteners.com\/ja\/equipment\/\" target=\"_blank\" rel=\"noreferrer noopener\">CNC\u52a0\u5de5<\/a> \u304a\u3088\u3073\u7cbe\u5bc6\u306d\u3058\u8ee2\u9020\u88c5\u7f6e\u3002\u3059\u3079\u3066\u306e\u30d0\u30c3\u30c1\u306f\u3001\u7d76\u5bfe\u7684\u306a\u5bf8\u6cd5\u7cbe\u5ea6\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u53b3\u683c\u306aHexagon CMM\u691c\u67fb\u3092\u53d7\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u6b63\u78ba\u3055\u306f\u3001\u591a\u56fd\u7c4d\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u7d71\u5408\u306b\u95a2\u3059\u308b\u8cfc\u5165\u8005\u306e\u4e0d\u5b89\u3092\u89e3\u6d88\u3057\u307e\u3059\u3002\u4e00\u8cab\u3057\u305f\u88fd\u9020\u306f\u3001\u4e0d\u9069\u5207\u306a\u306d\u3058\u306e\u9069\u5408\u306b\u95a2\u9023\u3059\u308b\u75b2\u52b4\u7834\u58ca\u306e\u30ea\u30b9\u30af\u3092\u9632\u304e\u307e\u3059\u3002\u30e1\u30fc\u30c8\u30eb\u898f\u683c\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u3001\u3042\u3089\u3086\u308b\u6700\u65b0\u306e\u7d44\u307f\u7acb\u3066\u30e9\u30a4\u30f3\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u7d71\u5408\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNRL\u306f\u3001\u53b3\u683c\u306a\u54c1\u8cea\u7ba1\u7406\u3092\u5099\u3048\u305f33,000\u5e73\u65b9\u30e1\u30fc\u30c8\u30eb\u306e\u65bd\u8a2d\u3092\u904b\u55b6\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u751f\u7523\u306f <a href=\"https:\/\/www.rlfasteners.com\/ja\/certification\/\" target=\"_blank\" rel=\"noreferrer noopener\">ISO\/TS16949:2016\u696d\u754c\u54c1\u8cea\u898f\u683c<\/a>\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u8a8d\u8a3c\u306f\u3001\u88fd\u9020\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u81ea\u52d5\u8eca\u90e8\u54c1\u306b\u5bfe\u3057\u3066\u53b3\u683c\u306a\u30d7\u30ed\u30bb\u30b9\u7ba1\u7406\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u5834\u306f <a href=\"https:\/\/www.rlfasteners.com\/ja\/industrial-fastening\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30b7\u30e3\u30fc\u30b7\u3001\u30a8\u30f3\u30b8\u30f3\u3001\u304a\u3088\u3073\u5b89\u5168\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059<\/a> \u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u5c55\u958b\u3002CNRL\u306f\u3001ZF\u3001FAW\u3001TENNECO\u306a\u3069\u306e\u30c6\u30a3\u30a21\u591a\u56fd\u7c4d\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3089\u306e <a href=\"https:\/\/www.rlfasteners.com\/ja\/custom-fastener-manufacturer\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u30ab\u30b9\u30bf\u30e0\u30d5\u30a1\u30b9\u30ca\u30fc\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a> \u306f\u3001\u81ea\u52d5\u8eca\u3001\u98a8\u529b\u30a8\u30cd\u30eb\u30ae\u30fc\u3001\u77f3\u6cb9\u30bb\u30af\u30bf\u30fc\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image1-5-1024x512.webp\" alt=\"\" class=\"wp-image-2991\" srcset=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image1-5-1024x512.webp 1024w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image1-5-300x150.webp 300w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image1-5-768x384.webp 768w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image1-5-18x9.webp 18w, https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2026\/07\/image1-5.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>\u7d50\u8ad6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u78ba\u306a\u30d5\u30a1\u30b9\u30ca\u30fc\u898f\u683c\u306e\u5229\u7528\u306f\u3001\u81ea\u52d5\u8eca\u306e\u5b89\u5168\u6027\u3068\u9577\u5bff\u547d\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u30e1\u30fc\u30c8\u30eb\u306d\u3058\u3068\u30a4\u30f3\u30c1\u306d\u3058\u306e\u6df7\u7528\u306f\u3001\u63a5\u5408\u90e8\u306e\u75b2\u52b4\u3068\u6700\u7d42\u7684\u306a\u6a5f\u68b0\u7684\u6545\u969c\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u5c02\u9580\u30e1\u30fc\u30ab\u30fc\u3068\u306e\u63d0\u643a\u306b\u3088\u308a\u3001\u3053\u308c\u3089\u306e\u5bf8\u6cd5\u7684\u306a\u4e0d\u6574\u5408\u3092\u5b8c\u5168\u306b\u6392\u9664\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CNRL\u3092\u304a\u9078\u3073\u304f\u3060\u3055\u3044 <a href=\"https:\/\/www.rlfasteners.com\/ja\/automotive-solution\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u81ea\u52d5\u8eca\u751f\u7523\u8981\u4ef6<\/a> \u4eca\u65e5\u3002ISO\u8a8d\u8a3c\u88fd\u9020\u3001\u8fc5\u901f\u306a\u30b0\u30ed\u30fc\u30d0\u30eb\u914d\u9001\u3001\u6b63\u78ba\u306a\u5bf8\u6cd5\u7ba1\u7406\u306e\u30e1\u30ea\u30c3\u30c8\u3092\u4eab\u53d7\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u3082\u904e\u9177\u306a\u52d5\u4f5c\u6761\u4ef6\u4e0b\u3067\u3082\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color has-medium-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.rlfasteners.com\/ja\/contact\/\" style=\"background-color:#b59d53\" target=\"_blank\" rel=\"noreferrer noopener\">\u7121\u6599\u898b\u7a4d\u3082\u308a<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u30e1\u30fc\u30c8\u30eb\u6cd5\u3068\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001\u5b8c\u5168\u306b\u7570\u306a\u308b\u6e2c\u5b9a\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u306d\u3058\u30bf\u30a4\u30d7\u3092\u6df7\u5408\u3059\u308b\u3068\u3001\u306d\u3058\u306e\u640d\u50b7\u3084\u63a5\u5408\u90e8\u306e\u6545\u969c\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u4e0d\u4e00\u81f4\u306f\u3001\u81ea\u52d5\u8eca\u306e\u7d44\u307f\u7acb\u3066\u30d7\u30ed\u30bb\u30b9\u4e2d\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5b8c\u5168\u6027\u3092\u7834\u58ca\u3057\u307e\u3059\u3002\u53d6\u308a\u4ed8\u3051\u3092\u884c\u3046\u524d\u306b\u3001\u5fc5\u305a\u6b63\u78ba\u306a\u306d\u3058\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u3068\u30e1\u30fc\u30c8\u30eb\u6cd5\u306e\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\u30e1\u30fc\u30c8\u30eb\u6cd5\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001ISO\u898f\u683c\u306e\u4e0b\u3067\u76f4\u5f84\u3068\u30d4\u30c3\u30c1\u306b\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\u306e\u5bf8\u6cd5\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u30d5\u30a1\u30b9\u30ca\u30fc\u306f\u3001\u30a4\u30f3\u30c1\u5358\u4f4d\u3067\u76f4\u5f84\u3092\u6307\u5b9a\u3057\u30011\u30a4\u30f3\u30c1\u3042\u305f\u308a\u306e\u306d\u3058\u5c71\u6570\uff08TPI\uff09\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u7570\u306a\u308b\u6e2c\u5b9a\u57fa\u76e4\u306b\u3088\u308a\u30012\u3064\u306e\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u76f4\u63a5\u7684\u306a\u76f8\u4e92\u4ea4\u63db\u6027\u304c\u9632\u6b62\u3055\u308c\u307e\u3059\u3002\u73fe\u4ee3\u306e\u8eca\u4e21\u306f\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u7d44\u307f\u7acb\u3066\u306e\u305f\u3081\u306b\u30e1\u30fc\u30c8\u30eb\u6cd5\u81ea\u52d5\u8eca\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u4e16\u754c\u4e2d\u3067\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u53e4\u3044\u30a2\u30e1\u30ea\u30ab\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u81ea\u52d5\u8eca\u7528\u30dc\u30eb\u30c8\u3068\u30d5\u30a1\u30b9\u30ca\u30fc\u3092\u4fdd\u6301\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30e6\u30cb\u30d5\u30a1\u30a4\u30c9\u30ca\u30b7\u30e7\u30ca\u30eb\u30b3\u30fc\u30b9\uff08UNC\uff09\u3068\u30e1\u30fc\u30c8\u30eb\u6cd5\u306e\u306d\u3058\u306f\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u304c[\u2026]<\/p>","protected":false},"author":1,"featured_media":2990,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-2986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-automotive-fastener"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Metric vs Imperial Fasteners: Why Mixing Them Is Dangerous<\/title>\n<meta name=\"description\" content=\"Learn why mixing metric and imperial fasteners risks thread damage. Explore ISO vs ASME differences, mismatch dangers, and precision solutions for safe vehicle joints.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rlfasteners.com\/ja\/blog\/automotive-fastener\/metric-vs-imperial-automotive-fasteners-risks\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metric vs Imperial Fasteners: Why Mixing Them Is Dangerous\" \/>\n<meta property=\"og:description\" content=\"Learn why mixing metric and imperial fasteners risks thread damage. 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