{"id":1823,"date":"2025-01-10T09:55:30","date_gmt":"2025-01-10T09:55:30","guid":{"rendered":"https:\/\/www.rlfasteners.com\/?p=1823"},"modified":"2025-02-10T06:27:53","modified_gmt":"2025-02-10T06:27:53","slug":"the-nuts-and-bolts-of-decoding-fastener-markings","status":"publish","type":"post","link":"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/","title":{"rendered":"\u89e3\u8bfb\u7d27\u56fa\u4ef6\u6807\u8bb0\u7684\u5177\u4f53\u7ec6\u8282"},"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\u5f55<\/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=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/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\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Why_Are_Nuts_and_Bolts_Marked\" title=\"\u4e3a\u4ec0\u4e48\u8981\u5bf9\u87ba\u6bcd\u548c\u87ba\u6813\u8fdb\u884c\u6807\u8bb0\uff1f\">\u4e3a\u4ec0\u4e48\u8981\u5bf9\u87ba\u6bcd\u548c\u87ba\u6813\u8fdb\u884c\u6807\u8bb0\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\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Standard_Fastener_Grades_Bolts_and_Nuts\" title=\"\u6807\u51c6\u7d27\u56fa\u4ef6\u7b49\u7ea7\uff1a\u87ba\u6813\u548c\u87ba\u6bcd\">\u6807\u51c6\u7d27\u56fa\u4ef6\u7b49\u7ea7\uff1a\u87ba\u6813\u548c\u87ba\u6bcd<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#How_Do_You_Distinguish_the_Grades_of_Bolts_and_Nuts\" title=\"\u5982\u4f55\u533a\u5206\u87ba\u6813\u548c\u87ba\u6bcd\u7684\u7b49\u7ea7\uff1f\">\u5982\u4f55\u533a\u5206\u87ba\u6813\u548c\u87ba\u6bcd\u7684\u7b49\u7ea7\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Bolt_and_Nut_Grade_Table\" title=\"\u87ba\u6813\u548c\u87ba\u6bcd\u7b49\u7ea7\u8868\">\u87ba\u6813\u548c\u87ba\u6bcd\u7b49\u7ea7\u8868<\/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\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Common_Markings_on_Nuts_and_Bolts_and_What_They_Mean\" title=\"\u87ba\u6bcd\u548c\u87ba\u6813\u4e0a\u7684\u5e38\u89c1\u6807\u8bb0\u53ca\u5176\u542b\u4e49\">\u87ba\u6bcd\u548c\u87ba\u6813\u4e0a\u7684\u5e38\u89c1\u6807\u8bb0\u53ca\u5176\u542b\u4e49<\/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\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#SAE_Markings\" title=\"SAE \u6807\u8bb0\">SAE \u6807\u8bb0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Metric_Markings\" title=\"\u516c\u5236\u6807\u8bb0\">\u516c\u5236\u6807\u8bb0<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#An_In-Depth_Look_at_Lock_Nuts\" title=\"\u6df1\u5165\u4e86\u89e3\u9501\u7d27\u87ba\u6bcd\">\u6df1\u5165\u4e86\u89e3\u9501\u7d27\u87ba\u6bcd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Introduction_to_CNRL_a_Custom_Fastener_Manufacturer\" title=\"\u5b9a\u5236\u7d27\u56fa\u4ef6\u5236\u9020\u5546 CNRL \u7b80\u4ecb\">\u5b9a\u5236\u7d27\u56fa\u4ef6\u5236\u9020\u5546 CNRL \u7b80\u4ecb<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Explore_Our_Signature_Products\" title=\"\u63a2\u7d22\u6211\u4eec\u7684\u7279\u8272\u4ea7\u54c1\">\u63a2\u7d22\u6211\u4eec\u7684\u7279\u8272\u4ea7\u54c1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#Why_Choose_CNRL\" title=\"\u4e3a\u4ec0\u4e48\u9009\u62e9 CNRL\uff1f\">\u4e3a\u4ec0\u4e48\u9009\u62e9 CNRL\uff1f<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p>\u7d27\u56fa\u4ef6\u6807\u8bb0\u4f20\u8fbe\u4e86\u6709\u5173\u87ba\u6813\u6216\u87ba\u6bcd\u7684\u6750\u6599\u3001\u5f3a\u5ea6\u548c\u5236\u9020\u5546\u7684\u91cd\u8981\u4fe1\u606f\u3002\u89e3\u8bfb\u8fd9\u4e9b\u6807\u8bb0\u53ef\u786e\u4fdd\u60a8\u5728\u9879\u76ee\u4e2d\u4f7f\u7528\u6b63\u786e\u7684\u87ba\u6813\u6216\u87ba\u6bcd\uff0c\u65e0\u8bba\u662f\u5728\u6c7d\u8f66\u4e0a\u5de5\u4f5c\u3001\u5efa\u9020\u5bb6\u5177\u8fd8\u662f\u5904\u7406\u5de5\u4e1a\u8bbe\u5907\u3002&nbsp;<\/p>\n\n\n\n<p>\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u87ba\u6813\u7b49\u7ea7\u6807\u8bb0\u3001\u87ba\u6bcd\u7b49\u7ea7\u548c\u5173\u952e\u8bc6\u522b\u6280\u5de7\uff0c\u4ee5\u4fbf\u60a8\u505a\u51fa\u660e\u667a\u7684\u51b3\u5b9a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Are_Nuts_and_Bolts_Marked\"><\/span><strong>\u4e3a\u4ec0\u4e48\u8981\u5bf9\u87ba\u6bcd\u548c\u87ba\u6813\u8fdb\u884c\u6807\u8bb0\uff1f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u87ba\u6bcd\u548c\u87ba\u6813\u88ab\u6807\u8bb0\u6709\u4e24\u4e2a\u91cd\u8981\u539f\u56e0\uff1a\u53ef\u8ffd\u6eaf\u6027\u548c\u6027\u80fd\u8bc6\u522b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53ef\u8ffd\u6eaf\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u6807\u8bb0\u901a\u5e38\u5305\u62ec\u5236\u9020\u5546\u8bc6\u522b\u7b26\u53f7\u3002\u8fd9\u4e9b\u6807\u8bb0\u5141\u8bb8\u5236\u9020\u5546\u5728\u4ea7\u54c1\u51fa\u73b0\u7f3a\u9677\u6216\u8d28\u91cf\u95ee\u9898\u65f6\u8ffd\u6eaf\u5176\u4ea7\u54c1\u3002\u8fd9\u53ef\u4ee5\u4fc3\u8fdb\u8d23\u4efb\u611f\u5e76\u5efa\u7acb\u4e0e\u5ba2\u6237\u7684\u4fe1\u4efb\u3002<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6750\u6599\u548c\u5f3a\u5ea6\u8bc6\u522b<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u7d27\u56fa\u4ef6\u6807\u8bb0\u8fd8\u63ed\u793a\u4e86\u6750\u6599\u6210\u5206\u3001\u5f3a\u5ea6\u548c\u7b49\u7ea7\u3002\u8fd9\u4e00\u70b9\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u9519\u8bef\u7b49\u7ea7\u7684\u7d27\u56fa\u4ef6\u53ef\u80fd\u4f1a\u5728\u538b\u529b\u4e0b\u5931\u6548\uff0c\u4ece\u800c\u5bfc\u81f4\u8bbe\u5907\u635f\u574f\u6216\u5b89\u5168\u9690\u60a3\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6807\u6709\u516d\u6761\u653e\u5c04\u7ebf\u7684\u87ba\u6813\u8868\u793a\u8be5\u87ba\u6813\u4e3a 8 \u7ea7\u87ba\u6813\uff0c\u8fd9\u662f\u4e00\u79cd\u5e38\u7528\u4e8e\u5de5\u4e1a\u6216\u6c7d\u8f66\u5e94\u7528\u7684\u9ad8\u5f3a\u5ea6\u7d27\u56fa\u4ef6\u3002\u5982\u679c\u6ca1\u6709\u6b64\u6807\u8bb0\u7cfb\u7edf\uff0c\u533a\u5206\u4e0d\u540c\u7528\u9014\u7684\u7d27\u56fa\u4ef6\u51e0\u4e4e\u662f\u4e0d\u53ef\u80fd\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Fastener_Grades_Bolts_and_Nuts\"><\/span><strong>\u6807\u51c6\u7d27\u56fa\u4ef6\u7b49\u7ea7\uff1a\u87ba\u6813\u548c\u87ba\u6bcd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_You_Distinguish_the_Grades_of_Bolts_and_Nuts\"><\/span><strong>\u5982\u4f55\u533a\u5206\u87ba\u6813\u548c\u87ba\u6bcd\u7684\u7b49\u7ea7\uff1f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u87ba\u6813\u7b49\u7ea7\u6807\u8bb0\u56e0\u7c7b\u578b\u548c\u6807\u51c6\u800c\u5f02\u3002\u901a\u5e38\uff0c\u87ba\u6813\u91c7\u7528\u5f84\u5411\u7ebf\u6216\u51b2\u538b\u6570\u5b57\uff0c\u800c\u87ba\u6bcd\u91c7\u7528\u70b9\u548c\u65f6\u949f\u6807\u8bb0\u3002\u4ee5\u4e0b\u662f\u89e3\u7801\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e0\u6807\u8bb0\u87ba\u6813\u4e00\u822c\u4e3a 2 \u7ea7\u3002\u53ef\u8003\u8651\u4f7f\u7528\u8fd9\u4e9b\u87ba\u6813\u5b8c\u6210\u8f7b\u578b\u4efb\u52a1\u3002<\/li>\n\n\n\n<li>\u4e09\u6761\u5f84\u5411\u7ebf\u8868\u793a 5 \u7ea7\u87ba\u6813\uff0c\u5177\u6709\u4e2d\u7b49\u5f3a\u5ea6\u3002<\/li>\n\n\n\n<li>\u516d\u6761\u653e\u5c04\u7ebf\u4ee3\u8868 8 \u7ea7\uff0c\u8fd9\u662f\u9488\u5bf9\u6c7d\u8f66\u673a\u68b0\u7b49\u9ad8\u5f3a\u5ea6\u9879\u76ee\u7684\u91cd\u578b\u9009\u9879\u3002<\/li>\n\n\n\n<li>\u516c\u5236\u87ba\u6813\u901a\u5e38\u4f7f\u7528 8.8 \u548c 10.9 \u7b49\u6570\u5b57\u7cfb\u7edf\uff0c\u4ee5 MPa\uff08\u5146\u5e15\uff09\u4e3a\u5355\u4f4d\u8868\u793a\u6297\u62c9\u5f3a\u5ea6\u548c\u5c48\u670d\u5f3a\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u87ba\u6bcd\u7b49\u7ea7\u901a\u8fc7\u65f6\u949f\u5f0f\u6807\u8bb0\u6765\u8bc6\u522b\uff08\u4f8b\u5982\uff0c5 \u70b9\u949f\u65b9\u5411\u7684\u7ebf\u8868\u793a 5 \u7ea7\uff0c8 \u70b9\u949f\u65b9\u5411\u7684\u7ebf\u8868\u793a 8 \u7ea7\uff09\u3002\u8fd9\u4e9b\u6807\u8bb0\u5171\u540c\u786e\u4fdd\u4e86\u517c\u5bb9\u6027\u548c\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bolt_and_Nut_Grade_Table\"><\/span><strong>\u87ba\u6813\u548c\u87ba\u6bcd\u7b49\u7ea7\u8868<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u87ba\u6813\u7b49\u7ea7\u7b80\u8868\uff0c\u603b\u7ed3\u4e86\u6700\u5e38\u89c1\u7684\u7b49\u7ea7\u53ca\u5176\u7279\u5f81\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u5e74\u7ea7\/\u73ed\u7ea7<\/strong><\/td><td><strong>\u6750\u6599<\/strong><\/td><td><strong>\u8bd5\u9a8c\u8f7d\u8377 (psi)<\/strong><\/td><td><strong>\u6700\u5c0f\u4ea7\u91cf (psi)<\/strong><\/td><td><strong>\u6700\u5c0f\u6297\u62c9\u5f3a\u5ea6 (psi)<\/strong><\/td><\/tr><tr><td>SAE 2 \u7ea7<\/td><td>\u4f4e\u78b3\u81f3\u4e2d\u78b3\u94a2<\/td><td>55,000 (\u20444\u201d\u20133\/4\u201d), 33,000 (3\/4\u201d+)<\/td><td>36,000<\/td><td>60,000<\/td><\/tr><tr><td>SAE 5 \u7ea7<\/td><td>\u4e2d\u78b3\u94a2\uff0c\u6dec\u786c\u56de\u706b<\/td><td>85,000<\/td><td>92,000<\/td><td>120,000<br><\/td><\/tr><tr><td>SAE 8 \u7ea7<\/td><td>\u9ad8\u5f3a\u5ea6\u5408\u91d1\u94a2\uff0c\u6dec\u786c\u56de\u706b<\/td><td>120,000<\/td><td>130,000<\/td><td>150,000<\/td><\/tr><tr><td>\u516c\u5236 8.8<\/td><td>\u4e2d\u78b3\u94a2\u56de\u706b<\/td><td>\u76f8\u5f53\u4e8e580MPa<\/td><td>640\u5146\u5e15<\/td><td>800\u5146\u5e15<\/td><\/tr><tr><td>\u516c\u5236 10.9<\/td><td>\u9ad8\u5f3a\u5ea6\u5408\u91d1\u94a2\u56de\u706b<\/td><td>\u76f8\u5f53\u4e8e830MPa<\/td><td>940\u5146\u5e15<\/td><td>1040\u5146\u5e15<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6b64\u56fe\u8868\u63d0\u4f9b\u4e86\u5c06\u7d27\u56fa\u4ef6\u5f3a\u5ea6\u4e0e\u9879\u76ee\u9700\u6c42\u76f8\u5339\u914d\u7684\u5feb\u901f\u53c2\u8003\u3002\u4f8b\u5982\uff0c\u4e86\u89e3 5 \u7ea7\u548c 8 \u7ea7\u6709\u52a9\u4e8e\u786e\u5b9a\u662f\u5426\u9700\u8981\u8010\u7528\u6027\u6216\u526a\u5207\u529b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Markings_on_Nuts_and_Bolts_and_What_They_Mean\"><\/span><strong>\u87ba\u6bcd\u548c\u87ba\u6813\u4e0a\u7684\u5e38\u89c1\u6807\u8bb0\u53ca\u5176\u542b\u4e49<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7406\u89e3\u7d27\u56fa\u4ef6\u6807\u8bb0\u6700\u521d\u53ef\u80fd\u770b\u8d77\u6765\u5f88\u6709\u6311\u6218\u6027\uff0c\u4f46\u4e00\u65e6\u4f60\u5b66\u4f1a\u4e86\u57fa\u7840\u77e5\u8bc6\uff0c\u5b83\u5c31\u4f1a\u53d8\u5f97\u76f8\u5f53\u7b80\u5355\u3002\u7d27\u56fa\u4ef6\u901a\u5e38\u4f7f\u7528 SAE\uff08\u6c7d\u8f66\u5de5\u7a0b\u5e08\u534f\u4f1a\uff09\u7cfb\u7edf\u6216\u516c\u5236\u7cfb\u7edf\u8fdb\u884c\u6807\u8bb0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SAE_Markings\"><\/span><strong>SAE \u6807\u8bb0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u7f8e\u56fd\u6c7d\u8f66\u5de5\u7a0b\u5e08\u534f\u4f1a (SAE) \u6839\u636e\u87ba\u6813\u7684\u7b49\u7ea7\u6307\u5b9a\u7279\u5b9a\u7684\u6807\u8bb0\u56fe\u6848\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2 \u7ea7\uff1a<\/strong> \u87ba\u6813\u5934\u4e0a\u6ca1\u6709\u75d5\u8ff9\u3002\u9002\u7528\u4e8e\u5bb6\u5177\u7ec4\u88c5\u7b49\u8f83\u8f7b\u578b\u9879\u76ee\u3002<\/li>\n\n\n\n<li><strong>5 \u5e74\u7ea7\uff1a<\/strong> \u87ba\u6813\u5934\u4e0a\u6709\u4e09\u6761\u653e\u5c04\u7ebf\u3002\u8fd9\u4e9b\u87ba\u6813\u7531\u56de\u706b\u4e2d\u78b3\u94a2\u5236\u6210\uff0c\u5177\u6709\u4e2d\u7b49\u5f3a\u5ea6\uff0c\u5e38\u7528\u4e8e\u6c7d\u8f66\u6216\u673a\u68b0\u8bbe\u5907\u3002<\/li>\n\n\n\n<li><strong>8 \u5e74\u7ea7<\/strong>\uff1a\u87ba\u6813\u5934\u4e0a\u6709\u516d\u6761\u653e\u5c04\u7ebf\u3002\u8fd9\u4e9b\u662f SAE \u87ba\u6813\u4e2d\u6700\u575a\u56fa\u7684\u87ba\u6813\uff0c\u9002\u7528\u4e8e\u9ad8\u5e94\u529b\u5e94\u7528\uff0c\u4f8b\u5982\u5de5\u4e1a\u8bbe\u5907\u6216\u91cd\u578b\u673a\u68b0\u3002<\/li>\n<\/ul>\n\n\n\n<p><strong>\u521d\u5b66\u8005\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\u63d0\u793a\uff1a<\/strong> <em>\u87ba\u6813\u5934\u4e0a\u7684\u6807\u8bb0\u8868\u793a\u4ec0\u4e48\u610f\u601d\uff1f <\/em>\u8ba4\u4e3a\u7ebf\u6761\u8d8a\u591a\u4ee3\u8868\u5f3a\u5ea6\u8d8a\u5927\u3002SAE \u7cfb\u7edf\u4e0b\u7684\u87ba\u6bcd\u4f7f\u7528\u65f6\u949f\u6807\u8bb0\u7cfb\u7edf\u30025 \u7ea7\u87ba\u6bcd\u5c06\u5728 5 \u70b9\u949f\u4f4d\u7f6e\u663e\u793a\u4e00\u6761\u7ebf\uff0c\u800c 8 \u7ea7\u87ba\u6bcd\u5c06\u5728 8 \u70b9\u949f\u4f4d\u7f6e\u663e\u793a\u6807\u8bb0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Metric_Markings\"><\/span><strong>\u516c\u5236\u6807\u8bb0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u516c\u5236\u7d27\u56fa\u4ef6\u9075\u5faa ISO \u6807\u51c6\uff0c\u4f7f\u7528\u6570\u5b57\u8868\u793a\u5176\u5c5e\u6027\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>8.8 \u8bfe\uff1a\u6211<\/strong>\u8868\u793a\u6297\u62c9\u5f3a\u5ea6\u4e3a 800 MPa\uff08\u5146\u5e15\uff09\uff0c\u5c48\u670d\u5f3a\u5ea6\u4e3a 80%\u3002\u8fd9\u4e9b\u87ba\u6813\u5f3a\u5ea6\u9ad8\uff0c\u4f46\u7528\u9014\u66f4\u5e7f\u6cdb\u3002<\/li>\n\n\n\n<li><strong>10.9 \u7c7b\uff1a <\/strong>\u5f3a\u5ea6\u9ad8\u4e8e 8.8 \u7ea7\uff0c\u6297\u62c9\u5f3a\u5ea6\u4e3a 1040 MPa\u3002\u8fd9\u4e9b\u87ba\u6813\u9002\u7528\u4e8e\u5efa\u7b51\u6216\u5236\u9020\u4e1a\u7b49\u8981\u6c42\u4e25\u683c\u7684\u884c\u4e1a\u3002<\/li>\n\n\n\n<li><strong>A2-70\/A4-70<\/strong>\uff1a\u4e0d\u9508\u94a2\u7b49\u7ea7\uff0c\u5176\u4e2d A4 \u5177\u6709\u66f4\u597d\u7684\u8010\u8150\u8680\u6027\uff0c\u7279\u522b\u9002\u7528\u4e8e\u6d77\u6d0b\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u516c\u5236\u87ba\u6bcd\u7684\u4e00\u4fa7\u901a\u5e38\u4f1a\u5370\u6709\u6570\u5b57\uff0c\u4e0e\u7b49\u7ea7\u76f8\u5bf9\u5e94\u3002\u4f8b\u5982\uff0c8 \u7ea7\u87ba\u6bcd\u4e0e 8.8 \u7ea7\u516c\u5236\u87ba\u6813\u642d\u914d\u4f7f\u7528\u6548\u679c\u6700\u4f73\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"An_In-Depth_Look_at_Lock_Nuts\"><\/span><strong>\u6df1\u5165\u4e86\u89e3\u9501\u7d27\u87ba\u6bcd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u666e\u901a\u87ba\u6bcd\u53ef\u80fd\u56e0\u632f\u52a8\u6216\u538b\u529b\u800c\u677e\u52a8\u7684\u5e94\u7528\u4e2d\uff0c\u9501\u7d27\u87ba\u6bcd\u53ef\u4ee5\u6539\u53d8\u6e38\u620f\u89c4\u5219\u3002\u4e0e\u62e7\u5728\u87ba\u6813\u4e0a\u7684\u6807\u51c6\u87ba\u6bcd\u4e0d\u540c\uff0c\u9501\u7d27\u87ba\u6bcd\u91c7\u7528\u8bbe\u8ba1\u521b\u65b0\uff0c\u5728\u5177\u6709\u6311\u6218\u6027\u7684\u6761\u4ef6\u4e0b\u4fdd\u6301\u539f\u4f4d\u3002\u4ee5\u4e0b\u662f\u9501\u7d27\u87ba\u6bcd\u7684\u7c7b\u578b\u53ca\u5176\u7528\u9014\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c3c\u9f99\u5d4c\u4ef6\u9501\u7d27\u87ba\u6bcd<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u5305\u62ec\u5c3c\u9f99\u5957\u73af\uff0c\u7528\u4e8e\u5939\u7d27\u87ba\u6813\u87ba\u7eb9\uff0c\u589e\u52a0\u6297\u677e\u52a8\u6027\u3002\u5b83\u4eec\u5728\u6781\u7aef\u9ad8\u6e29\u4e0b\u5bb9\u6613\u635f\u574f\uff0c\u4f46\u975e\u5e38\u9002\u5408\u632f\u52a8\u8f83\u5927\u7684\u5de5\u4f5c\uff0c\u4f8b\u5982\u7ec4\u88c5\u6728\u5de5\u5de5\u5177\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u952f\u9f7f\u6cd5\u5170\u9501\u7d27\u87ba\u6bcd<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u87ba\u6bcd\u4e0a\u7684\u952f\u9f7f\u72b6\u51f8\u7f18\u5728\u62e7\u7d27\u65f6\u4f1a\u4ea7\u751f\u989d\u5916\u7684\u6469\u64e6\u529b\uff0c\u4ece\u800c\u7262\u7262\u6293\u4f4f\u8868\u9762\u3002\u5b83\u4eec\u975e\u5e38\u9002\u5408\u6c7d\u8f66\u5e94\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u65e0\u9700\u57ab\u5708\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6709\u6548\u626d\u77e9\u9501\u7d27\u87ba\u6bcd<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u87ba\u6bcd\u4f9d\u9760\u53d8\u5f62\u87ba\u7eb9\u6765\u786e\u4fdd\u87ba\u6bcd\u56fa\u5b9a\u5230\u4f4d\u3002\u5b83\u4eec\u7528\u4e8e\u91cd\u578b\u8bbe\u5907\uff0c\u53ef\u4ee5\u627f\u53d7\u6781\u7aef\u632f\u52a8\u3002<\/p>\n\n\n\n<p>\u9009\u62e9\u9501\u7d27\u87ba\u6bcd\u65f6\uff0c\u8bf7\u8003\u8651\u7b49\u7ea7\u8981\u6c42\u3002\u4f8b\u5982\uff0c\u5c06 8 \u7ea7\u87ba\u6bcd\u4e0e 8 \u7ea7\u87ba\u6813\u914d\u5bf9\u53ef\u786e\u4fdd\u6700\u5927\u8010\u7528\u6027\u548c\u5408\u89c4\u6027\uff0c\u5c24\u5176\u662f\u5f53\u87ba\u6813\u786c\u5ea6\u6807\u8bb0\u5bf9\u60a8\u7684\u9879\u76ee\u5f88\u91cd\u8981\u65f6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction_to_CNRL_a_Custom_Fastener_Manufacturer\"><\/span><strong>\u5b9a\u5236\u7d27\u56fa\u4ef6\u5236\u9020\u5546 CNRL \u7b80\u4ecb<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728 CNRL Fasteners\uff0c\u6211\u4eec\u8ba9\u60a8\u65e0\u9700\u518d\u4e3a\u9009\u62e9\u7d27\u56fa\u4ef6\u800c\u8d39\u5fc3\u731c\u6d4b\u3002\u65e0\u8bba\u60a8\u9700\u8981\u7528\u4e8e\u57fa\u7840\u8bbe\u65bd\u7684\u87ba\u6813\u8fd8\u662f\u7528\u4e8e\u7279\u5b9a\u5e94\u7528\u7684\u9501\u7d27\u87ba\u6bcd\uff0c\u6211\u4eec\u90fd\u80fd\u4e3a\u60a8\u63d0\u4f9b\u5e2e\u52a9\u3002CNRL \u8131\u9896\u800c\u51fa\u7684\u539f\u56e0\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u6211\u4eec\u4e13\u95e8\u751f\u4ea7\u9002\u7528\u4e8e\u51e0\u4e4e\u6240\u6709\u5e94\u7528\u7684\u9ad8\u8d28\u91cf\u7d27\u56fa\u4ef6\uff0c\u63d0\u4f9b\u53ef\u9760\u6027\u3001\u8010\u7528\u6027\u548c\u5b9a\u5236\u9009\u9879\u3002\u65e0\u8bba\u60a8\u9700\u8981\u7cbe\u5bc6\u87ba\u6813\u7ea7\u6807\u8bb0\u3001\u8010\u7528\u9501\u7d27\u87ba\u6bcd\u8fd8\u662f\u9ad8\u5f3a\u5ea6\u87ba\u6813\uff0c\u6211\u4eec\u90fd\u80fd\u6ee1\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Explore_Our_Signature_Products\"><\/span><strong>\u63a2\u7d22\u6211\u4eec\u7684\u7279\u8272\u4ea7\u54c1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.rlfasteners.com\/zh\/products\/hexagon-lock-nut-with-flange-hex-self-locking-antiskid-hex-nut\/\">\u516d\u89d2\u6cd5\u5170\u9762\u9501\u7d27\u87ba\u6bcd<\/a>\uff1a\u8fd9\u4e9b\u87ba\u6bcd\u5177\u6709\u51fa\u8272\u7684\u6293\u5730\u529b\u548c\u6297\u9707\u6027\uff0c\u975e\u5e38\u9002\u5408\u8981\u6c42\u82db\u523b\u7684\u73af\u5883\u3002<\/li>\n\n\n\n<li><a href=\"https:\/\/www.rlfasteners.com\/zh\/products\/metric-zinc-plated-quick-heavy-hexagon-insert-stainless-steel-m2-m6-m8-m10-m12-m28-hex-nylon-lock-hex-flange-nut\/\">\u516c\u5236\u9540\u950c\u9501\u7d27\u87ba\u6bcd<\/a>\uff1a\u6211\u4eec\u7684\u9540\u950c\u9501\u7d27\u87ba\u6bcd\u8010\u7528\u4e14\u8010\u8150\u8680\uff0c\u7528\u9014\u5e7f\u6cdb\uff0c\u975e\u5e38\u9002\u5408\u5ba4\u5185\u548c\u5ba4\u5916\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Choose_CNRL\"><\/span><strong>\u4e3a\u4ec0\u4e48\u9009\u62e9 CNRL\uff1f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6211\u4eec\u5728\u7d27\u56fa\u4ef6\u5236\u9020\u65b9\u9762\u62e5\u6709\u4e30\u5bcc\u7684\u7ecf\u9a8c\uff0c\u786e\u4fdd\u6211\u4eec\u80fd\u591f\u63d0\u4f9b\u503c\u5f97\u60a8\u4fe1\u8d56\u7684\u4f18\u8d28\u4ea7\u54c1\u3002\u6211\u4eec\u63d0\u4f9b\u5168\u9762\u7684\u4ea7\u54c1\u7cfb\u5217\uff0c\u5305\u62ec\u4ece\u6807\u51c6\u87ba\u6813\u5230\u6839\u636e\u60a8\u7684\u9700\u6c42\u91cf\u8eab\u5b9a\u5236\u7684\u89e3\u51b3\u65b9\u6848\u3002\u6b64\u5916\uff0c\u6211\u4eec\u751f\u4ea7\u7684\u6bcf\u4e2a\u7d27\u56fa\u4ef6\u90fd\u7b26\u5408\u4e25\u683c\u7684\u56fd\u9645\u6807\u51c6\uff0c\u4fdd\u8bc1\u53ef\u9760\u7684\u6027\u80fd\u548c\u5353\u8d8a\u7684\u54c1\u8d28\u3002<br>\u8bf4\u5230\u7d27\u56fa\u4ef6\uff0c\u6ca1\u6709\u59a5\u534f\u7684\u4f59\u5730\u3002\u4fe1\u4efb CNRL \u7d27\u56fa\u4ef6\u2014\u2014\u4e13\u4e1a\u4eba\u58eb\u548c DIY \u7231\u597d\u8005\u7684\u53ef\u9760\u9009\u62e9\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u7f51\u7ad9 <a href=\"https:\/\/www.rlfasteners.com\/zh\">CNRL \u7d27\u56fa\u4ef6<\/a> \u4e86\u89e3\u6211\u4eec\u7684\u4ea7\u54c1\u7ebf\u6216\u7acb\u5373\u7d22\u53d6\u62a5\u4ef7\u3002\u653e\u5fc3\u4fdd\u62a4\u60a8\u7684\u9879\u76ee\uff01<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u8d44\u6e90<\/summary>\n<p>CNRL Fasteners \u4ec5\u4f7f\u7528\u9ad8\u8d28\u91cf\u6765\u6e90\uff08\u5305\u62ec\u540c\u884c\u8bc4\u5ba1\u7814\u7a76\uff09\u6765\u652f\u6301\u6211\u4eec\u6587\u7ae0\u4e2d\u7684\u4e8b\u5b9e\u3002\u6211\u4eec\u5bf9\u51c6\u786e\u6027\u548c\u53ef\u9760\u6027\u7684\u627f\u8bfa\u786e\u4fdd\u8bfb\u8005\u6536\u5230\u503c\u5f97\u4fe1\u8d56\u7684\u7ecf\u8fc7\u5145\u5206\u7814\u7a76\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u87ba\u9489\u548c\u87ba\u6813\u5934\u6807\u8bb0\u662f\u4ec0\u4e48\u610f\u601d\uff1f\uff08<a href=\"https:\/\/wilsongarner.com\/what-do-screw-and-bolt-head-markings-mean\/\">1<\/a>)<\/li>\n\n\n\n<li>\u89e3\u7801\u7d27\u56fa\u4ef6\u6807\u8bb0\u7684\u5177\u4f53\u7ec6\u8282\uff08<a href=\"https:\/\/gcfasteners.com\/the-nuts-and-bolts-of-decoding-fastener-markings\/\">2<\/a>)<\/li>\n<\/ol>\n<\/details>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u7d27\u56fa\u4ef6\u6807\u8bb0\u4f20\u8fbe\u4e86\u6709\u5173\u87ba\u6813\u6216\u87ba\u6bcd\u7684\u6750\u6599\u3001\u5f3a\u5ea6\u548c\u5236\u9020\u5546\u7684\u91cd\u8981\u4fe1\u606f\u3002\u89e3\u8bfb\u8fd9\u4e9b\u6807\u8bb0\u53ef\u786e\u4fdd\u60a8\u5728\u9879\u76ee\u4e2d\u4f7f\u7528\u6b63\u786e\u7684\u87ba\u6813\u6216\u87ba\u6bcd\uff0c\u65e0\u8bba\u662f\u5728\u6c7d\u8f66\u4e0a\u5de5\u4f5c\u3001\u5efa\u9020\u5bb6\u5177\u8fd8\u662f\u5904\u7406\u5de5\u4e1a\u8bbe\u5907\u3002\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u87ba\u6813\u7b49\u7ea7\u6807\u8bb0\u3001\u87ba\u6bcd\u7b49\u7ea7\u548c\u5173\u952e\u8bc6\u522b\u6280\u5de7\uff0c\u4ee5\u4fbf\u60a8 [\u2026]<\/p>","protected":false},"author":1,"featured_media":1856,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[185],"tags":[],"class_list":["post-1823","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>Bolt Grade Markings Explained for Better Fastener Choices<\/title>\n<meta name=\"description\" content=\"Bolt grade markings ensure project success. Choose CNRL Fasteners Supplier for durable fasteners and lock nuts. Click to get started.\" \/>\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\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bolt Grade Markings Explained for Better Fastener Choices\" \/>\n<meta property=\"og:description\" content=\"Bolt grade markings ensure project success. Choose CNRL Fasteners Supplier for durable fasteners and lock nuts. Click to get started.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\" \/>\n<meta property=\"og:site_name\" content=\"Fastener Manufacturer\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CNRLfasteners\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-10T09:55:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-10T06:27:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.rlfasteners.com\/#\/schema\/person\/246e471ae246e0f35793a4f0b10b61bf\"},\"headline\":\"The Nuts and Bolts of Decoding Fastener Markings\",\"datePublished\":\"2025-01-10T09:55:30+00:00\",\"dateModified\":\"2025-02-10T06:27:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\"},\"wordCount\":1128,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.rlfasteners.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp\",\"articleSection\":[\"Automotive Fastener\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\",\"url\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\",\"name\":\"Bolt Grade Markings Explained for Better Fastener Choices\",\"isPartOf\":{\"@id\":\"https:\/\/www.rlfasteners.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp\",\"datePublished\":\"2025-01-10T09:55:30+00:00\",\"dateModified\":\"2025-02-10T06:27:53+00:00\",\"description\":\"Bolt grade markings ensure project success. Choose CNRL Fasteners Supplier for durable fasteners and lock nuts. Click to get started.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage\",\"url\":\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp\",\"contentUrl\":\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp\",\"width\":800,\"height\":600,\"caption\":\"The Nuts and Bolts of Decoding Fastener Markings\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.rlfasteners.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The Nuts and Bolts of Decoding Fastener Markings\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.rlfasteners.com\/#website\",\"url\":\"https:\/\/www.rlfasteners.com\/\",\"name\":\"Automotive Fastener Manufacturers\u200b - CNRL\",\"description\":\"CNRL specializes in custom fasteners that combine superior quality with cost-effectiveness, optimizing project budgets.\",\"publisher\":{\"@id\":\"https:\/\/www.rlfasteners.com\/#organization\"},\"alternateName\":\"CNRL\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.rlfasteners.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.rlfasteners.com\/#organization\",\"name\":\"CNRL\",\"alternateName\":\"Zhejiang Ruili \uff08CNRL\uff09Auto Parts Co., Ltd.\",\"url\":\"https:\/\/www.rlfasteners.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.rlfasteners.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2024\/11\/CNRL-Logo2.png\",\"contentUrl\":\"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2024\/11\/CNRL-Logo2.png\",\"width\":696,\"height\":696,\"caption\":\"CNRL\"},\"image\":{\"@id\":\"https:\/\/www.rlfasteners.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/CNRLfasteners\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.rlfasteners.com\/#\/schema\/person\/246e471ae246e0f35793a4f0b10b61bf\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.rlfasteners.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a5897a878f3bac4cb5dceceea12ed045a5e21138d217ad59263f373f4e992038?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a5897a878f3bac4cb5dceceea12ed045a5e21138d217ad59263f373f4e992038?s=96&d=mm&r=g\",\"caption\":\"admin\"},\"sameAs\":[\"https:\/\/www.rlfasteners.com\"],\"url\":\"https:\/\/www.rlfasteners.com\/zh\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Bolt Grade Markings Explained for Better Fastener Choices","description":"Bolt grade markings ensure project success. Choose CNRL Fasteners Supplier for durable fasteners and lock nuts. Click to get started.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/","og_locale":"zh_CN","og_type":"article","og_title":"Bolt Grade Markings Explained for Better Fastener Choices","og_description":"Bolt grade markings ensure project success. Choose CNRL Fasteners Supplier for durable fasteners and lock nuts. Click to get started.","og_url":"https:\/\/www.rlfasteners.com\/zh\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/","og_site_name":"Fastener Manufacturer","article_publisher":"https:\/\/www.facebook.com\/CNRLfasteners","article_published_time":"2025-01-10T09:55:30+00:00","article_modified_time":"2025-02-10T06:27:53+00:00","og_image":[{"width":800,"height":600,"url":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp","type":"image\/webp"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"6 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#article","isPartOf":{"@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/"},"author":{"name":"admin","@id":"https:\/\/www.rlfasteners.com\/#\/schema\/person\/246e471ae246e0f35793a4f0b10b61bf"},"headline":"The Nuts and Bolts of Decoding Fastener Markings","datePublished":"2025-01-10T09:55:30+00:00","dateModified":"2025-02-10T06:27:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/"},"wordCount":1128,"commentCount":0,"publisher":{"@id":"https:\/\/www.rlfasteners.com\/#organization"},"image":{"@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage"},"thumbnailUrl":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp","articleSection":["Automotive Fastener"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/","url":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/","name":"Bolt Grade Markings Explained for Better Fastener Choices","isPartOf":{"@id":"https:\/\/www.rlfasteners.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage"},"image":{"@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage"},"thumbnailUrl":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp","datePublished":"2025-01-10T09:55:30+00:00","dateModified":"2025-02-10T06:27:53+00:00","description":"Bolt grade markings ensure project success. Choose CNRL Fasteners Supplier for durable fasteners and lock nuts. Click to get started.","breadcrumb":{"@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#primaryimage","url":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp","contentUrl":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2025\/01\/4-The-Nuts-and-Bolts-of-Decoding-Fastener-Markings-1.webp","width":800,"height":600,"caption":"The Nuts and Bolts of Decoding Fastener Markings"},{"@type":"BreadcrumbList","@id":"https:\/\/www.rlfasteners.com\/blog\/automotive-fastener\/the-nuts-and-bolts-of-decoding-fastener-markings\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.rlfasteners.com\/"},{"@type":"ListItem","position":2,"name":"The Nuts and Bolts of Decoding Fastener Markings"}]},{"@type":"WebSite","@id":"https:\/\/www.rlfasteners.com\/#website","url":"https:\/\/www.rlfasteners.com\/","name":"Automotive Fastener Manufacturers\u200b - CNRL","description":"CNRL specializes in custom fasteners that combine superior quality with cost-effectiveness, optimizing project budgets.","publisher":{"@id":"https:\/\/www.rlfasteners.com\/#organization"},"alternateName":"CNRL","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.rlfasteners.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/www.rlfasteners.com\/#organization","name":"CNRL","alternateName":"Zhejiang Ruili \uff08CNRL\uff09Auto Parts Co., Ltd.","url":"https:\/\/www.rlfasteners.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.rlfasteners.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2024\/11\/CNRL-Logo2.png","contentUrl":"https:\/\/www.rlfasteners.com\/wp-content\/uploads\/2024\/11\/CNRL-Logo2.png","width":696,"height":696,"caption":"CNRL"},"image":{"@id":"https:\/\/www.rlfasteners.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/CNRLfasteners"]},{"@type":"Person","@id":"https:\/\/www.rlfasteners.com\/#\/schema\/person\/246e471ae246e0f35793a4f0b10b61bf","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.rlfasteners.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a5897a878f3bac4cb5dceceea12ed045a5e21138d217ad59263f373f4e992038?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a5897a878f3bac4cb5dceceea12ed045a5e21138d217ad59263f373f4e992038?s=96&d=mm&r=g","caption":"admin"},"sameAs":["https:\/\/www.rlfasteners.com"],"url":"https:\/\/www.rlfasteners.com\/zh\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/posts\/1823","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/comments?post=1823"}],"version-history":[{"count":0,"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/posts\/1823\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/media\/1856"}],"wp:attachment":[{"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/media?parent=1823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/categories?post=1823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rlfasteners.com\/zh\/wp-json\/wp\/v2\/tags?post=1823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}