{"id":6709,"date":"2023-10-05T17:25:42","date_gmt":"2023-10-05T09:25:42","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6709"},"modified":"2026-06-18T17:27:30","modified_gmt":"2026-06-18T09:27:30","slug":"nut-grade-and-bolt-torque-matching-rules-for-safe-assembly","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/zh\/nut-grade-and-bolt-torque-matching-rules-for-safe-assembly\/","title":{"rendered":"\u87ba\u6bcd\u7b49\u7ea7\u548c\u87ba\u6813\u626d\u77e9\uff1a\u5b89\u5168\u88c5\u914d\u7684\u5339\u914d\u89c4\u5219"},"content":{"rendered":"<p>\u87ba\u6bcd\u7b49\u7ea7\u548c\u87ba\u6813\u626d\u77e9\u901a\u5e38\u5355\u72ec\u8ba8\u8bba\u3002\u5728\u5b9e\u9645\u7684\u88c5\u914d\u5de5\u4f5c\u4e2d\uff0c\u5b83\u4eec\u662f\u65e0\u6cd5\u5206\u5f00\u7684\u3002<\/p>\n\n\n\n<p>\u9ad8\u5f3a\u5ea6\u87ba\u6813\u672c\u8eab\u5e76\u4e0d\u80fd\u5f62\u6210\u5b89\u5168\u7684\u63a5\u5934\u3002\u87ba\u6bcd\u5fc5\u987b\u627f\u53d7\u87ba\u7eb9\u8f7d\u8377\u3002\u57ab\u5708\u5fc5\u987b\u652f\u6491\u8f74\u627f\u8868\u9762\u3002\u62e7\u7d27\u65b9\u6cd5\u5fc5\u987b\u4ea7\u751f\u6b63\u786e\u7684\u9884\u7d27\u529b\uff0c\u800c\u4e0d\u4f1a\u4f7f\u87ba\u7eb9\u8131\u843d\u3001\u538b\u574f\u57ab\u5708\u6216\u4f7f\u87ba\u6813\u5c48\u670d\u3002<\/p>\n\n\n\n<p>\u5f53\u4e70\u5bb6\u4ec5\u6307\u5b9a\u87ba\u6813\u7b49\u7ea7\u800c\u5c06\u87ba\u6bcd\u4fdd\u7559\u4e3a\u201c\u5339\u914d\u201d\u65f6\uff0c\u5728\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u6216\u63a5\u5934\u6295\u5165\u4f7f\u7528\u540e\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u575a\u679c\u7b49\u7ea7\u5f88\u91cd\u8981<\/h2>\n\n\n\n<p>\u87ba\u6bcd\u5fc5\u987b\u8db3\u591f\u575a\u56fa\u4ee5\u652f\u6491\u87ba\u6813\u7684\u9884\u671f\u8d1f\u8f7d\u3002\u5982\u679c\u87ba\u6bcd\u7b49\u7ea7\u592a\u4f4e\uff0c\u5219\u5728\u87ba\u6813\u8fbe\u5230\u6240\u9700\u7684\u5939\u7d27\u529b\u4e4b\u524d\uff0c\u5185\u87ba\u7eb9\u53ef\u80fd\u4f1a\u5265\u843d\u3002<\/p>\n\n\n\n<p>\u5373\u4f7f\u87ba\u6813\u672c\u8eab\u6b63\u786e\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e5f\u53ef\u80fd\u53d1\u751f\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u627f\u91cd\u7ec4\u4ef6\uff0c\u4e70\u5bb6\u5e94\u5ba1\u67e5 <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/high-strength-fasteners\/\">\u9ad8\u5f3a\u5ea6\u7d27\u56fa\u4ef6<\/a> \u5e76\u4e00\u8d77\u6307\u5b9a\u87ba\u6813\u3001\u87ba\u6bcd\u548c\u57ab\u5708\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u57fa\u672c\u87ba\u6813\u548c\u87ba\u6bcd\u5339\u914d\u89c4\u5219<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u516c\u5236\u5c5e\u6027\u7c7b\u522b<\/h3>\n\n\n\n<p>\u5728\u516c\u5236\u7cfb\u7edf\u4e2d\uff0c\u87ba\u6813\u548c\u87ba\u6bcd\u7684\u5c5e\u6027\u7b49\u7ea7\u901a\u5e38\u4e0e\u673a\u68b0\u6027\u80fd\u76f8\u5339\u914d\u3002\u5177\u4f53\u8981\u6c42\u5e94\u9075\u5faaISO\u3001DIN\u3001EN\u6216\u9879\u76ee\u89c4\u8303\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u87ba\u6813\u5c5e\u6027\u7b49\u7ea7<\/th><th>\u5e38\u89c1\u7684\u575a\u679c\u642d\u914d\u65b9\u6cd5<\/th><th>\u4e70\u5bb6\u652f\u7968<\/th><\/tr><\/thead><tbody><tr><td>4.8 \/ 5.8<\/td><td>\u901a\u7528\u88c5\u914d\u7528\u4f4e\u5f3a\u5ea6\u87ba\u6bcd<\/td><td>\u4ec5\u9650\u975e\u5173\u952e\u7528\u9014<\/td><\/tr><tr><td>8.8<\/td><td>\u5e38\u75288\u7ea7\u87ba\u6bcd<\/td><td>\u786e\u8ba4\u87ba\u7eb9\u87ba\u8ddd\u548c\u5149\u6d01\u5ea6<\/td><\/tr><tr><td>10.9<\/td><td>\u5e38\u752810\u7ea7\u87ba\u6bcd<\/td><td>\u68c0\u67e5\u57ab\u5708\u786c\u5ea6\u548c\u626d\u77e9\u65b9\u6cd5<\/td><\/tr><tr><td>12.9<\/td><td>\u53ef\u80fd\u9700\u8981 12 \u7ea7\u87ba\u6bcd<\/td><td>\u9700\u8981\u4e25\u683c\u7684\u88c5\u914d\u63a7\u5236<\/td><\/tr><tr><td>\u7279\u7ea7<\/td><td>\u6839\u636e\u56fe\u7eb8\u6216\u9879\u76ee\u6807\u51c6<\/td><td>\u4e0d\u8981\u5047\u8bbe\u517c\u5bb9\u6027<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u8f83\u5f3a\u7684\u87ba\u6813\u4e0e\u8f83\u5f31\u7684\u87ba\u6bcd\u914d\u5bf9\u5e76\u4e0d\u80fd\u5f62\u6210\u66f4\u7262\u56fa\u7684\u8fde\u63a5\u3002\u88c5\u914d\u53d7\u5230\u6700\u8584\u5f31\u90e8\u4ef6\u7684\u9650\u5236\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ASTM\u548c\u57fa\u4e8e\u9879\u76ee\u7684\u5339\u914d<\/h3>\n\n\n\n<p>\u5bf9\u4e8e\u82f1\u5236\u548cASTM\u7d27\u56fa\u4ef6\uff0c\u87ba\u6bcd\u5339\u914d\u53ef\u9075\u5faaASTM A563\u3001ASTM A194\u3001ASTM F3125\u3001ASME\u6216\u9879\u76ee\u7279\u5b9a\u89c4\u5219\u3002<\/p>\n\n\n\n<p>\u793a\u4f8b\u5305\u62ec\u7ed3\u6784\u87ba\u6813\u3001\u538b\u529b\u8bbe\u5907\u87ba\u67f1\u548c\u91cd\u578b\u516d\u89d2\u7ec4\u4ef6\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u4e70\u5bb6\u4e0d\u5e94\u5c06\u516c\u5236\u89c4\u5219\u76f4\u63a5\u8f6c\u6362\u4e3aASTM\u8ba2\u5355\u3002\u9879\u76ee\u6807\u51c6\u51b3\u5b9a\u575a\u679c\u7b49\u7ea7\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u6807\u51c6\u5de5\u4e1a\u4ef6\uff0c\u4e70\u5bb6\u53ef\u4ee5\u6bd4\u8f83 <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/standard-fasteners\/\">\u6807\u51c6\u7d27\u56fa\u4ef6<\/a> \u5728\u51c6\u5907\u8be2\u4ef7\u4e4b\u524d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u626d\u77e9\u5982\u4f55\u4e0e\u87ba\u6bcd\u7b49\u7ea7\u76f8\u5173<\/h2>\n\n\n\n<p>\u626d\u77e9\u7528\u4e8e\u4ea7\u751f\u9884\u8f7d\u3002\u9884\u7d27\u529b\u662f\u4fdd\u6301\u63a5\u5934\u7d27\u5bc6\u7684\u5939\u7d27\u529b\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u87ba\u6bcd\u7b49\u7ea7\u592a\u4f4e\uff0c\u62e7\u7d27\u8fc7\u7a0b\u4e2d\u87ba\u6bcd\u87ba\u7eb9\u53ef\u80fd\u4f1a\u5931\u6548\u3002\u5982\u679c\u87ba\u6813\u626d\u77e9\u8fc7\u5927\uff0c\u87ba\u6813\u53ef\u80fd\u4f1a\u5c48\u670d\u3002\u5982\u679c\u57ab\u5708\u592a\u8f6f\uff0c\u57ab\u5708\u53ef\u80fd\u4f1a\u5d4c\u5165\u5e76\u51cf\u5c11\u7ec4\u88c5\u540e\u7684\u9884\u7d27\u529b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e0e\u626d\u77e9\u76f8\u5173\u7684\u98ce\u9669\u70b9<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u95ee\u9898<\/th><th>\u53ef\u80fd\u7684\u7ed3\u679c<\/th><\/tr><\/thead><tbody><tr><td>\u4f4e\u6863\u87ba\u6bcd\u914d\u9ad8\u5f3a\u5ea6\u87ba\u6813<\/td><td>\u87ba\u6bcd\u5265\u7ebf<\/td><\/tr><tr><td>\u626d\u77e9\u8fc7\u5927<\/td><td>\u87ba\u6813\u5c48\u670d\u6216\u87ba\u7eb9\u635f\u574f<\/td><\/tr><tr><td>\u626d\u77e9\u592a\u5c0f<\/td><td>\u5173\u8282\u677e\u52a8<\/td><\/tr><tr><td>\u8f6f\u57ab\u5708<\/td><td>\u9884\u8f7d\u635f\u5931<\/td><\/tr><tr><td>\u6d82\u5c42\u6469\u64e6\u529b\u53d8\u5316<\/td><td>\u76f8\u540c\u626d\u77e9\u4e0b\u7684\u5939\u7d27\u8d1f\u8f7d\u9519\u8bef<\/td><\/tr><tr><td>\u87ba\u7eb9\u810f\u6216\u635f\u574f<\/td><td>\u9519\u8bef\u7684\u626d\u77e9\u8bfb\u6570<\/td><\/tr><tr><td>\u6da6\u6ed1\u5242\u6761\u4ef6\u9519\u8bef<\/td><td>\u8fc7\u8f7d\u6216\u6b20\u8f7d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u4e0d\u5e94\u4ece\u4e00\u822c\u56fe\u8868\u4e2d\u76f2\u76ee\u590d\u5236\u626d\u77e9\u503c\u3002\u8be5\u503c\u53d6\u51b3\u4e8e\u7b49\u7ea7\u3001\u87ba\u7eb9\u3001\u6d82\u5c42\u3001\u6da6\u6ed1\u3001\u57ab\u5708\u72b6\u51b5\u548c\u63a5\u5934\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6d82\u5c42\u548c\u6da6\u6ed1\u6548\u679c<\/h2>\n\n\n\n<p>\u8868\u9762\u5149\u6d01\u5ea6\u6539\u53d8\u6469\u64e6\u529b\u3002\u9540\u950c\u3001\u70ed\u6d78\u9540\u950c\u3001\u950c\u7247\u3001PTFE\u6d82\u5c42\u3001\u9ed1\u8272\u6c27\u5316\u548c\u4e0d\u9508\u94a2\u7ec4\u4ef6\u7684\u7d27\u56fa\u65b9\u5f0f\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u5728\u76f8\u540c\u7684\u626d\u77e9\u4e0b\uff0c\u6da6\u6ed1\u6216\u4f4e\u6469\u64e6\u7ec4\u4ef6\u53ef\u4ee5\u4ea7\u751f\u6bd4\u5e72\u5f0f\u7ec4\u4ef6\u9ad8\u5f97\u591a\u7684\u9884\u8f7d\u3002\u7c97\u7cd9\u7684\u9540\u950c\u87ba\u7eb9\u53ef\u80fd\u4f1a\u4ea7\u751f\u8f83\u5c0f\u7684\u9884\u7d27\u529b\uff0c\u56e0\u4e3a\u6469\u64e6\u4e2d\u4f1a\u635f\u5931\u66f4\u591a\u626d\u77e9\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u6d82\u5c42\u7ec4\u4ef6\uff0c\u8bf7\u67e5\u770b <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/various-coated-fasteners\/\">\u5404\u79cd\u6d82\u5c42\u7d27\u56fa\u4ef6<\/a> \u5e76\u786e\u8ba4\u626d\u77e9\u503c\u662f\u5426\u57fa\u4e8e\u5e72\u71e5\u3001\u6d82\u6cb9\u3001\u6253\u8721\u6216\u6d82\u5c42\u87ba\u7eb9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u57ab\u5708\u9009\u62e9\u662f\u5b89\u5168\u88c5\u914d\u7684\u4e00\u90e8\u5206<\/h2>\n\n\n\n<p>\u57ab\u5708\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u57ab\u7247\u3002\u5b83\u63a7\u5236\u8f74\u627f\u652f\u6491\u5e76\u6709\u52a9\u4e8e\u51cf\u5c11\u9884\u8f7d\u4e0b\u7684\u5d4c\u5165\u3002<\/p>\n\n\n\n<p>\u9ad8\u5f3a\u5ea6\u87ba\u6813\u901a\u5e38\u9700\u8981\u786c\u5316\u57ab\u5708\u3002 10.9 \u6216 12.9 \u87ba\u6813\u4e0b\u65b9\u7684\u8f6f\u57ab\u5708\u53ef\u80fd\u4f1a\u53d8\u5f62\uff0c\u5bfc\u81f4\u5b89\u88c5\u540e\u9884\u7d27\u529b\u635f\u5931\u3002<\/p>\n\n\n\n<p>\u4e70\u5bb6\u53ef\u4ee5\u8bc4\u8bba <a href=\"https:\/\/xzfastener.com\/zh\/fastener-type\/washers\/\">\u6d17\u6da4\u4ea7\u54c1<\/a> \u5339\u914d\u87ba\u6813\u3001\u87ba\u6bcd\u548c\u57ab\u5708\u65f6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5f85\u786e\u8ba4\u7684\u57ab\u5708\u7ec6\u8282<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u5f84<\/li>\n\n\n\n<li>\u5916\u5f84<\/li>\n\n\n\n<li>\u539a\u5ea6<\/li>\n\n\n\n<li>\u786c\u5ea6<\/li>\n\n\n\n<li>\u6807\u51c6\u578b<\/li>\n\n\n\n<li>\u6d82\u5c42<\/li>\n\n\n\n<li>\u8f74\u627f\u8868\u9762\u72b6\u51b5<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e70\u5bb6\u5e38\u89c1\u9519\u8bef<\/h2>\n\n\n\n<p>\u907f\u514d\u8fd9\u4e9b\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6307\u5b9a\u87ba\u6813\u7b49\u7ea7\u4f46\u4e0d\u6307\u5b9a\u87ba\u6bcd\u7b49\u7ea7\u3002<\/li>\n\n\n\n<li>\u91c7\u7528\u4f4e\u7b49\u7ea7\u87ba\u6bcd\u642d\u914d\u9ad8\u5f3a\u5ea6\u87ba\u6813\u3002<\/li>\n\n\n\n<li>\u5bf9\u4e0d\u540c\u7684\u6d82\u5c42\u5e94\u7528\u4e00\u79cd\u626d\u77e9\u503c\u3002<\/li>\n\n\n\n<li>\u5ffd\u7565\u57ab\u5708\u786c\u5ea6\u3002<\/li>\n\n\n\n<li>\u6df7\u5408\u516c\u5236\u548c\u82f1\u5236\u87ba\u7eb9\u7cfb\u7edf\u3002<\/li>\n\n\n\n<li>\u6d82\u5c42\u540e\u4e0d\u68c0\u67e5\u87ba\u6bcd\u914d\u5408\u60c5\u51b5\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u4e0d\u9508\u94a2\uff0c\u65e0\u78e8\u635f\u63a7\u5236\u3002<\/li>\n\n\n\n<li>\u63a5\u53d7\u6ca1\u6709\u6807\u51c6\u7684\u201c\u914d\u5957\u87ba\u6bcd\u201d\u3002<\/li>\n\n\n\n<li>\u8df3\u8fc7\u5173\u952e\u63a5\u5934\u7684\u9a8c\u8bc1\u8f7d\u8377\u6216\u786c\u5ea6\u62a5\u544a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5bf9\u4e8e\u7279\u6b8a\u7ec4\u4ef6\u3001\u975e\u6807\u51c6\u87ba\u7eb9\u6216\u57fa\u4e8e\u7ed8\u56fe\u7684\u96f6\u4ef6\uff0c\u8bf7\u4f7f\u7528 <a href=\"https:\/\/xzfastener.com\/zh\/products-category\/custom-non-standard-fasteners\/\">\u5b9a\u5236\u975e\u6807\u7d27\u56fa\u4ef6<\/a> \u5e76\u660e\u786e\u5b9a\u4e49\u88c5\u914d\u4f53\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u87ba\u6bcd\u7b49\u7ea7\u548c\u87ba\u6813\u626d\u77e9\u7684\u8be2\u4ef7\u6e05\u5355<\/h2>\n\n\n\n<p>\u5b8c\u6574\u7684\u8be2\u4ef7\u5e94\u5305\u62ec\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8be2\u4ef7\u9879\u76ee<\/th><th>\u9700\u8981\u6307\u5b9a\u4ec0\u4e48<\/th><\/tr><\/thead><tbody><tr><td>\u87ba\u6813\u6807\u51c6<\/td><td>DIN\u3001ISO\u3001ASTM\u3001EN\u3001ASME\u6216\u56fe\u7eb8<\/td><\/tr><tr><td>\u87ba\u6813\u7b49\u7ea7<\/td><td>8.8\u300110.9\u300112.9\u3001B7\u3001A325 \u6216\u9879\u76ee\u7ea7<\/td><\/tr><tr><td>\u575a\u679c\u7b49\u7ea7<\/td><td>8\u7ea7\u300110\u7ea7\u300112\u7ea7\u3001A563\u3001A194\u6216\u9879\u76ee\u8981\u6c42<\/td><\/tr><tr><td>\u7ebf\u7a0b<\/td><td>\u516c\u5236\u3001UNC\u3001UNF\u3001\u87ba\u8ddd\u3001TPI\u3001\u516c\u5dee<\/td><\/tr><tr><td>\u57ab\u5708<\/td><td>\u7c7b\u578b\u3001\u786c\u5ea6\u3001\u5c3a\u5bf8\u3001\u6d82\u5c42<\/td><\/tr><tr><td>\u5b8c\u6210<\/td><td>\u950c\uff0cHDG\uff0c\u950c\u7247\uff0cPTFE\uff0c\u666e\u901a\uff0c\u4e0d\u9508\u94a2<\/td><\/tr><tr><td>\u626d\u77e9\u6761\u4ef6<\/td><td>\u5e72\u5f0f\u3001\u6da6\u6ed1\u5f0f\u3001\u6d82\u5c42\u5f0f\u6216\u5de5\u7a0b\u503c<\/td><\/tr><tr><td>\u6587\u4ef6<\/td><td>MTC\u3001\u786c\u5ea6\u3001\u9a8c\u8bc1\u8f7d\u8377\u3001\u6d82\u5c42\u62a5\u544a<\/td><\/tr><tr><td>\u5e94\u7528<\/td><td>\u9759\u8f7d\u8377\u3001\u632f\u52a8\u3001\u6cd5\u5170\u3001\u7ed3\u6784\u3001\u8bbe\u5907<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5bf9\u4e8e\u5b8c\u6574\u7684\u88c5\u914d\u8ba1\u5212\uff0c\u4e70\u5bb6\u53ef\u4ee5\u67e5\u770b\u5b8c\u6574\u7684\u88c5\u914d\u8ba1\u5212 <a href=\"https:\/\/xzfastener.com\/zh\/home\/products\/\">\u7d27\u56fa\u4ef6\u4ea7\u54c1<\/a> \u8303\u56f4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u7ec8\u5efa\u8bae<\/h2>\n\n\n\n<p>\u5b89\u5168\u88c5\u914d\u53d6\u51b3\u4e8e\u87ba\u6813\u3001\u87ba\u6bcd\u3001\u57ab\u5708\u3001\u6d82\u5c42\u548c\u626d\u77e9\u65b9\u6cd5\u7684\u914d\u5408\u3002\u5982\u679c\u87ba\u6bcd\u8f83\u5f31\u3001\u57ab\u5708\u8f83\u8f6f\u6216\u626d\u77e9\u503c\u4e0d\u9002\u5408\u8868\u9762\u72b6\u51b5\uff0c\u5219\u9ad8\u7ea7\u87ba\u6813\u662f\u4e0d\u591f\u7684\u3002<\/p>\n\n\n\n<p>\u751f\u4ea7\u524d\uff0c\u786e\u5b9a\u87ba\u6bcd\u7b49\u7ea7\u3001\u87ba\u6813\u7b49\u7ea7\u3001\u57ab\u5708\u8981\u6c42\u3001\u6d82\u5c42\u3001\u6da6\u6ed1\u6761\u4ef6\u548c\u6d4b\u8bd5\u6587\u4ef6\u3002\u8fd9\u662f\u9632\u6b62\u87ba\u7eb9\u5265\u79bb\u3001\u9884\u7d27\u529b\u635f\u5931\u3001\u63a5\u5934\u677e\u52a8\u548c\u73b0\u573a\u6545\u969c\u7684\u5b9e\u7528\u65b9\u6cd5\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>Nut grade and bolt torque are often discussed separately. In real assembly work, they cannot be separated. A high-strength bolt does not create a safe joint by itself. The nut must carry the thread load. The washer must support the bearing surface. The tightening method must create the right preload without stripping threads, crushing washers, [&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":[491],"class_list":["post-6709","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-torque-preload-tightening"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/6709","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=6709"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/6709\/revisions"}],"predecessor-version":[{"id":6710,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/posts\/6709\/revisions\/6710"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/media?parent=6709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/categories?post=6709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/zh\/wp-json\/wp\/v2\/tags?post=6709"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}