{"id":18412,"date":"2026-03-05T09:52:12","date_gmt":"2026-03-05T09:52:12","guid":{"rendered":"https:\/\/onmytoolings.com\/?p=18412"},"modified":"2026-03-05T10:02:38","modified_gmt":"2026-03-05T10:02:38","slug":"comprehensive-classification-of-thread-types-guide","status":"publish","type":"post","link":"https:\/\/onmytoolings.com\/zh\/comprehensive-classification-of-thread-types-guide\/","title":{"rendered":"\u87ba\u7d0b\u985e\u578b\u7684\u5168\u9762\u5206\u985e\u548c\u9078\u64c7\u6307\u5357"},"content":{"rendered":"<h1 class=\"wp-block-heading\">\u87ba\u7d0b\u985e\u578b\u7684\u5168\u9762\u5206\u985e\u548c\u9078\u64c7\u6307\u5357<\/h1>\n\n\n\n<p>\u87ba\u7d0b\uff08\u4e5f\u7a31\u70ba\u87ba\u7d0b\u6216\u6263\u4ef6\u87ba\u7d0b\uff09\u662f\u5713\u67f1\u8868\u9762\u4e0a\u7684\u87ba\u65cb\u810a\uff0c\u53ef\u5c07\u65cb\u8f49\u904b\u52d5\u8f49\u63db\u6210\u7dda\u6027\u904b\u52d5\u6216\u529b\u3002\u5b83\u5011\u5728\u7dca\u56fa\u4ef6\uff08\u87ba\u6813\u3001\u87ba\u7d72\u3001\u87ba\u5e3d\uff09\u3001\u52d5\u529b\u50b3\u8f38\uff08\u5c0e\u87ba\u7d72\u3001\u5343\u65a4\u9802\uff09\u3001\u7ba1\u9053\u5bc6\u5c01\u548c\u7cbe\u5bc6\u6a5f\u69cb\u4e2d\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 ez-toc-wrap-left 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\u9304<\/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=\"\u986f\u793a\/\u96b1\u85cf\u5167\u5bb9\u76ee\u9304\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u63db<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #993030;color:#993030\" 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: #993030;color:#993030\" 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' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/onmytoolings.com\/zh\/comprehensive-classification-of-thread-types-guide\/#1_Key_Terminology\" >1.\u95dc\u9375\u8853\u8a9e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/onmytoolings.com\/zh\/comprehensive-classification-of-thread-types-guide\/#2_Comprehensive_Classification\" >2.\u7d9c\u5408\u5206\u985e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/onmytoolings.com\/zh\/comprehensive-classification-of-thread-types-guide\/#3_Thread_Fit_Strength_Manufacturing\" >3.\u87ba\u7d0b\u914d\u5408\u3001\u5f37\u5ea6\u8207\u88fd\u9020<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/onmytoolings.com\/zh\/comprehensive-classification-of-thread-types-guide\/#4_Selection_Guide\" >4.\u9078\u64c7\u6307\u5357<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/onmytoolings.com\/zh\/comprehensive-classification-of-thread-types-guide\/#FAQs\" >\u5e38\u898b\u554f\u984c<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Key_Terminology\"><\/span>1.\u95dc\u9375\u8853\u8a9e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u5c0d\u87ba\u7d0b\u9032\u884c\u5206\u985e\u4e4b\u524d\uff0c\u77ad\u89e3\u5e7e\u4f55\u5f62\u72c0\u662f\u975e\u5e38\u91cd\u8981\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e3b\u8981\u76f4\u5f91<\/strong>:\u6700\u5927\u76f4\u5f91\uff08\u5d74\u5728\u5916\u87ba\u7d0b\u4e0a\uff1b\u6839\u5728\u5167\u87ba\u7d0b\u4e0a\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u5c0f\u76f4\u5f91<\/strong>:\u76f4\u5f91\u6700\u5c0f\uff08\u6839\u5728\u5916\u90e8\uff1b\u5d74\u5728\u5167\u90e8\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u7bc0\u8ddd\u76f4\u5f91<\/strong>:\u87ba\u7d0b\u5bec\u5ea6\u7b49\u65bc\u6e9d\u69fd\u5bec\u5ea6\u7684\u7406\u8ad6\u76f4\u5f91\u3002.<\/li>\n\n\n\n<li><strong>\u97f3\u9ad8<\/strong>:\u76f8\u9130\u87ba\u7d0b\u6ce2\u5cf0\u4e4b\u9593\u7684\u8ef8\u5411\u8ddd\u96e2\uff08\u516c\u5236\u70ba mm\uff1b\u82f1\u5236\u70ba\u6bcf\u82f1\u540b\u87ba\u7d0b\/TPI\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u925b<\/strong>:\u6bcf\u8f49\u7684\u8ef8\u5411\u9032\u7d66\u91cf\uff08\u7b49\u65bc\u55ae\u59cb\u87ba\u7d0b\u7684\u87ba\u8ddd\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u5074\u89d2<\/strong>:\u87ba\u7d0b\u5916\u7de3\u8207\u8ef8\u5fc3\u5782\u76f4\u7684\u89d2\u5ea6\uff08\u4f8b\u5982\uff0c\u5927\u591a\u6578 V \u578b\u87ba\u7d0b\u70ba 60\u00b0\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u5d74\/\u6839<\/strong>:\u5916\u5074\/\u5167\u5074\u90e8\u5206 <a class=\"wpil_keyword_link\" href=\"https:\/\/onmytoolings.com\/zh\/%e7%94%a2%e5%93%81\/vam-premium%e9%80%a3%e6%8e%a5%e8%9e%ba%e7%b4%8b%e5%b5%8c%e4%bb%b6-16er-22er%e7%b3%bb%e5%88%97\/\"   title=\"VAM \u512a\u8cea\u9023\u63a5\u87ba\u7d0b\u5207\u524a\u5200\u7247 \u2013 16ER \/ 22ER \u7cfb\u5217\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1653\" target=\"_blank\">\u7dda\u6750\u5256\u9762<\/a>.<\/li>\n\n\n\n<li><strong>\u624b\u611f<\/strong>:\u53f3\u65cb (RH\uff0c\u6a19\u6e96\uff1b\u9806\u6642\u91dd\u9396\u7dca) \u6216\u5de6\u65cb (LH)\u3002.<\/li>\n\n\n\n<li><strong>\u9310\u5ea6<\/strong>:\u5e73\u884c\uff08\u76f4\uff09\u6216\u9310\u5f62\uff08\u5bc6\u5c01\u7528\u9310\u5f62\uff09\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chiggofactory.com\/wp-content\/uploads\/2025\/01\/Key-Geometric-Parameters-of-the-Thread.jpg\" alt=\"\u77ad\u89e3\u4e0d\u540c\u985e\u578b\u7684\u7dda - Chiggo\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.hlc-metalparts.com\/uploads\/39640\/news\/p202411011623569b981.png?size=900x0\" alt=\"\u87ba\u7d0b\u521d\u5b78\u8005\uff1a\u5f9e\u540d\u8a5e\u5230\u985e\u578b\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Comprehensive_Classification\"><\/span>2.\u7d9c\u5408\u5206\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\">\u6309\u529f\u80fd<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7dca\u56fa\/\u5b89\u88dd\u87ba\u7d0b<\/strong>:\u7528\u65bc\u9023\u63a5\u96f6\u4ef6\uff08\u87ba\u6813\u3001\u87ba\u7d72\u3001\u87ba\u5e3d\uff09\u3002\u6700\u5e38\u898b\u7684\u4e09\u89d2\u5f62\/V-\u578b\u6750\u3002.<\/li>\n\n\n\n<li><strong>\u52d5\u529b\/\u8b8a\u901f\u7bb1\u87ba\u7d0b<\/strong>:\u5c07\u626d\u529b\u8f49\u63db\u70ba\u7dda\u6027\u529b\/\u904b\u52d5\uff08\u5f15\u5c0e\u87ba\u687f\u3001\u864e\u94b3\u3001\u5343\u65a4\u9802\uff09\u3002\u68af\u5f62\u3001\u65b9\u5f62\u6216\u5c0d\u5f4e\u578b\u6750\u3002.<\/li>\n\n\n\n<li><strong>\u7ba1\u9053\/\u5bc6\u5c01\u87ba\u7d0b<\/strong>:\u7528\u65bc\u6d41\u9ad4\/\u6c23\u9ad4\u9023\u63a5\u3002\u901a\u5e38\u70ba\u9310\u5f62\u4ee5\u9032\u884c\u5e79\u6d89\u5bc6\u5c01\u3002.<\/li>\n\n\n\n<li><strong>\u7279\u6b8a\u7dda\u7a0b<\/strong>:\u6728\u87ba\u7d72\u3001\u81ea\u653b\u5f0f\u3001\u7bc0\u72c0\uff08\u5713\u5f27\u4ee5\u589e\u52a0\u8010\u7528\u6027\uff09\u3001\u591a\u91cd\u555f\u52d5\uff08\u9032\u5ea6\u66f4\u5feb\uff09\u3002.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f9d\u87ba\u7d0b\u5f62\u72c0\/\u5256\u9762\uff08\u6a6b\u622a\u9762\uff09<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chiggofactory.com\/wp-content\/uploads\/2025\/01\/Thread-types.jpeg\" alt=\"\u4e0d\u540c\u985e\u578b\u7684\u7dda\u7a0b\"\/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e09\u89d2\u5f62\/V-\u87ba\u7d0b<\/strong> (\u5074\u89d2 60\u00b0 \u6216 55\u00b0\uff09\uff1a\u6700\u5e38\u7528\u65bc\u7dca\u56fa\u3002\u5305\u62ec\u92b3\u89d2-V\u3001\u622a\u89d2\uff08\u5be6\u7528\uff09\u3001ISO \u516c\u5236\u3001\u7d71\u4e00\u3001\u60e0\u7279\u6c83\u65af\u3002\u62c9\u4f38\u5f37\u5ea6\u9ad8\uff0c\u4f46\u6469\u64e6\u8f03\u5927\u3002.<\/li>\n\n\n\n<li><strong>\u65b9\u5f62\u7dda<\/strong>:\u65b9\u5f62\u8f2a\u5ed3\uff1b\u6469\u64e6\u6700\u4f4e\/\u50b3\u52d5\u6548\u7387\u6700\u9ad8\u3002\u88fd\u9020\u56f0\u96e3\u4e14\u6602\u8cb4\uff1b\u6839\u90e8\u8f03\u5f31\u3002.<\/li>\n\n\n\n<li><strong>Acme\/Trapezoidal \u87ba\u7d0b<\/strong> (\u5074\u89d2 29\u00b0-30\u00b0\uff09\uff1a\u5e73\u5cf0\/\u5e73\u6839\uff1b\u6bd4\u65b9\u5f62\u66f4\u5bb9\u6613\u52a0\u5de5\u3002\u9069\u7528\u65bc\u52d5\u529b\u87ba\u7d72\uff1b\u5e73\u8861\u6548\u7387\u8207\u5f37\u5ea6\u3002.<\/li>\n\n\n\n<li><strong>\u5f4e\u66f2\u7dda<\/strong> (\u4e0d\u5c0d\u7a31\uff0c\u901a\u5e38\u4e00\u908a\u70ba 45\u00b0\uff09\uff1a\u55ae\u5411\u8ca0\u8f09\u80fd\u529b\u9ad8\uff1b\u6548\u7387\u985e\u4f3c\u65b9\u5f62\uff0c\u4f46\u526a\u5207\u529b\u66f4\u5f37\u3002\u7528\u65bc\u6c96\u5e8a\/\u593e\u5177\u3002.<\/li>\n\n\n\n<li><strong>\u5713\u982d\/\u6307\u74b0\u7dda<\/strong>:\u5713\u5f62\u8f2a\u5ed3\uff1b\u8010\u6c61\/\u8010\u8150\u8755\u3002\u7528\u65bc\u60e1\u52a3\u74b0\u5883\uff08\u5982\u9435\u8def\u3001\u806f\u8ef8\u5668\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u5176\u4ed6<\/strong>:\u8778\u687f\uff08\u985e\u4f3c\u87ba\u65cb\u9f52\u8f2a\uff09\u3001\u92f8\u9f52\u8b8a\u9ad4\u3002.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6309\u6a19\u6e96\u5316\u7cfb\u7d71\u548c\u6e2c\u91cf<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ISO \u516c\u5236 (M)<\/strong>:\u5168\u7403\u6a19\u6e96 (60\u00b0 V-profile)\u3002\u7c97\u7bc0\u8ddd\uff08\u9810\u8a2d\uff09\u6216\u7d30\u7bc0\u8ddd\u3002\u7a31\u865f\uff1aM10\u00d71.5\uff08\u76f4\u5f91 \u00d7 \u9593\u8ddd\uff09\u3002\u6a19\u6e96\uff1aISO 261\/724\u3002.<\/li>\n\n\n\n<li><strong>\u7d71\u4e00\u87ba\u7d0b\u6a19\u6e96 (UTS - \u82f1\u540b)<\/strong>:\u7f8e\u570b\/\u52a0\u62ff\u5927\u4e3b\u5c0e (60\u00b0)\u3002UNC\uff08\u7c97\uff09\u3001UNF\uff08\u7d30\uff09\u3001UNEF\uff08\u7279\u7d30\uff09\u3001UNS\uff08\u7279\u6b8a\uff09\u3002\u4f8b\u5982\uff1a1\/2-13 UNC (\u76f4\u5f91-TPI)\u3002\u6a19\u6e96\uff1aANSI\/ASME B1.1\u3002.<\/li>\n\n\n\n<li><strong>\u60e0\u7279\u6c83\u65af\uff08\u82f1\u570b\uff09<\/strong>:55\u00b0 \u5713\u89d2\u3002BSW\uff08\u7c97\uff09\u3001BSF\uff08\u7d30\uff09\u3001BSP\uff08\u7ba1\uff09\u3002\u4e3b\u8981\u662f\u6b77\u53f2\u6027\u7684\uff0c\u4f46\u4ecd\u5728\u82f1\u570b\/\u82f1\u806f\u90a6\u4f7f\u7528\u3002.<\/li>\n\n\n\n<li><strong>\u7ba1\u7dda\u87ba\u7d0b<\/strong>:\n<ul class=\"wp-block-list\">\n<li>NPT\/NPTF\uff08\u7f8e\u5f0f\u9310\u5f62\uff0c60\u00b0\uff1b\u7528\u81a0\u5e36\u81ea\u5bc6\u5c01\uff09\u3002.<\/li>\n\n\n\n<li>BSPP\/G\uff08\u5e73\u884c\uff0c55\u00b0\uff1b\u9700\u8981\u588a\u5708\/\u5bc6\u5c01\u5291\uff09\u3002.<\/li>\n\n\n\n<li>BSPT\/R\uff08\u9310\u5f62\uff0c55\u00b0\uff09\u3002.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u52d5\u529b\/\u8b8a\u901f\u7bb1\u7cfb\u5217<\/strong>:\u68af\u5f62 (Tr\/DIN103)\u3001Acme (ASME)\u3001Square\u3001Buttress\u3002.<\/li>\n\n\n\n<li><strong>\u5176\u4ed6<\/strong>:PG (\u5c0e\u7ba1)\u3001BA (\u5c0f\u578b\u5100\u5668)\u3001UNJ\/MJ (\u5e36\u6839\u534a\u5f91\u7684\u822a\u7a7a\u822a\u5929)\u3002.<\/li>\n<\/ul>\n\n\n\n<p><em>\u9078\u64c7\u6642 <a href=\"https:\/\/onmytoolings.com\/zh\/%e8%9e%ba%e7%b4%8b%e5%8a%a0%e5%b7%a5%e5%b7%a5%e5%85%b7\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u87ba\u7d0b\u8eca\u5200<\/a>, \u60a8\u53ef\u4ee5\u5f9e\u6211\u5011\u5ee3\u6cdb\u7684\u7522\u54c1\u7cfb\u5217\u4e2d\u9032\u884c\u9078\u64c7\u3002.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/ssmalloys.com\/wp-content\/uploads\/2024\/09\/npt-bspt.png\" alt=\"\u87ba\u7d0b\u985e\u578b\uff1aNPT\u3001BSPT \u548c BSPP\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u7531 Pitch Series \u63d0\u4f9b<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7c97<\/strong>:\u7bc0\u8ddd\u8f03\u5927\/TPI \u8f03\u5c11\u3002\u88dd\u914d\u901f\u5ea6\u66f4\u5feb\u3001\u6297\u525d\u96e2\u80fd\u529b\u66f4\u5f37\u3001\u66f4\u6613\u65bc\u8106\u6027\u6750\u6599\u6216\u934d\u5c64\u3002.<\/li>\n\n\n\n<li><strong>\u7cbe\u7f8e\/\u6975\u7cbe\u7f8e<\/strong>:\u66f4\u5c0f\u7684\u7bc0\u8ddd\/\u66f4\u591a\u7684 TPI\u3002\u6297\u62c9\u5f37\u5ea6\u66f4\u9ad8\u3001\u6297\u9707\u6027\u66f4\u597d\u3001\u8abf\u6574\u66f4\u7cbe\u7d30\u3001\u5728\u8584\u58c1\u4e2d\u66f4\u5f37\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/us.sfs.com\/content\/files\/images\/REDO_Comparison+Chart%20copy.jpg\" alt=\"\u7d30\u7259\u7dda\u8207\u7c97\u7259\u7dda\uff1a\u9577\u5ea6 + \u4f7f\u7528\u65b9\u6cd5 | SFS USA\"\/><\/figure>\n\n\n\n<p><a href=\"https:\/\/us.sfs.com\/learn-more\/fine-thread-vs-coarse-thread-screw\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">us.sfs.com<\/a><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4f9d\u64da\u5176\u4ed6\u6a19\u6e96<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u624b\u611f<\/strong>:RH (\u9810\u8a2d) \u5c0d LH (\u65cb\u8f49\u7d44\u4ef6\u7684\u9632\u677e)\u3002.<\/li>\n\n\n\n<li><strong>\u958b\u59cb<\/strong>:\u55ae\u6b21\uff08\u6a19\u6e96\uff09\u8207\u591a\u6b21\u555f\u52d5\uff08\u66f4\u5feb\u7684\u7dda\u6027\u63a8\u9032\uff0c\u66f4\u4f4e\u7684\u81ea\u9396\uff09\u3002.<\/li>\n\n\n\n<li><strong>\u9310\u5f62\u8207\u5e73\u884c<\/strong>:\u9310\u5ea6\u7528\u65bc\u5bc6\u5c01\uff1b\u5e73\u884c\u7528\u65bc\u4e00\u822c\u7528\u9014\u3002.<\/li>\n\n\n\n<li><strong>\u8010\u53d7\u6027\/\u9069\u61c9\u6027\u7b49\u7d1a<\/strong> (\u7d71\u4e00\uff09\uff1a1A\/1B (\u9b06)\u30012A\/2B (\u4e00\u822c\u7528\u9014\uff0c~90% \u4f7f\u7528)\u30013A\/3B (\u7cbe\u5bc6\/\u7dca\u5bc6)\u3002\u516c\u5236\u4f7f\u7528\u516c\u5dee\u7b49\u7d1a (\u4f8b\u5982\uff1a6g\/6H)\u3002.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Thread_Fit_Strength_Manufacturing\"><\/span>3.\u87ba\u7d0b\u914d\u5408\u3001\u5f37\u5ea6\u8207\u88fd\u9020<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5408\u8eab\u7b49\u7d1a<\/strong>:\u63a7\u5236\u9593\u9699\/\u7dca\u5ea6\u30022A\/2B \u5e73\u8861\u7d44\u88dd\u548c\u5f37\u5ea6\uff1b3A\/3B \u9069\u7528\u65bc\u95dc\u9375\u61c9\u7528\u3002\u96fb\u934d\u6642\u901a\u5e38\u6703\u589e\u52a0\u9918\u91cf\u3002.<\/li>\n\n\n\n<li><strong>\u5f37\u5ea6<\/strong>:\u87ba\u6813\u61c9\u5728\u87ba\u7d0b\u525d\u96e2\u4e4b\u524d\u62c9\u4f38\u5931\u6548\u3002\u9f67\u5408\u9577\u5ea6 ~1\u00d7 \u76f4\u5f91\uff08\u92fc\uff09\u3002\u6efe\u58d3\u87ba\u7d0b\uff08\u66f4\u5f37\u3001\u66f4\u5e73\u6ed1\uff09\u512a\u65bc\u5207\u524a\u87ba\u7d0b\u3002.<\/li>\n\n\n\n<li><strong>\u88fd\u9020\u696d<\/strong>:\u5207\u524a\u8207\u8ecb\u5ef6\uff1b\u5f71\u97ff\u6210\u672c\u8207\u75b2\u52de\u58fd\u547d\u3002.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Selection_Guide\"><\/span>4.\u9078\u64c7\u6307\u5357<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6839\u64da\u9019\u4e9b\u6b65\u9a5f\u56e0\u7d20\u9032\u884c\u9078\u64c7\uff1a<\/p>\n\n\n\n<p><strong>\u5340\u57df\/\u76f8\u5bb9\u6027<\/strong> - \u5168\u7403\u516c\u5236 (M)\uff08\u7f8e\u570b\/\u82f1\u570b\u50b3\u7d71\u9664\u5916\uff09\u3002\u5317\u7f8e\u7684\u7d71\u4e00 (UNC\/UNF)\u3002\u82f1\u570b\/\u82f1\u806f\u90a6\u7684 Whitworth\/BSP\u3002\u914d\u5408\u96f6\u4ef6\u4ee5\u907f\u514d\u4e0d\u76f8\u5bb9\u3002.<\/p>\n\n\n\n<p><strong>\u4e3b\u8981\u61c9\u7528<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e00\u822c\u7dca\u56fa<\/strong>:ISO \u516c\u5236\u7c97\u7259\u6216 UNC\u3002\u5c0d\u65bc\u9707\u52d5\u3001\u8584\u6750\u6599\u6216\u7cbe\u5bc6\u5ea6\uff0c\u8acb\u4f7f\u7528\u7cbe\u7d30 (MF\/UNF)\u3002.<\/li>\n\n\n\n<li><strong>\u7ba1\u9053\/\u5bc6\u5c01<\/strong>:NPT (\u7f8e\u570b\uff0c\u9310\u5f62\uff0cNPTF \u53ef\u9078\u7528\u5bc6\u5c01\u5291)\u3002BSPT\uff08\u9310\u5f62\uff0c\u6b50\u6d32\/\u4e9e\u6d32\uff09\u3002BSPP (\u5e73\u884c + O \u5f62\u5708\/\u83ef\u53f8)\u3002\u907f\u514d\u6df7\u5408\u3002.<\/li>\n\n\n\n<li><strong>\u52d5\u529b\u50b3\u8f38\/\u904b\u52d5\uff08\u593e\u5177\u3001\u5c0e\u87ba\u687f\u3001\u864e\u9257\uff09<\/strong>:<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7dda\u8def\u985e\u578b<\/th><th>\u6548\u7387<\/th><th>\u5f37\u5ea6\/\u526a\u5207\u529b<\/th><th>\u53ef\u88fd\u9020\u6027<\/th><th>\u6700\u9069\u5408<\/th><th>\u7f3a\u9ede<\/th><\/tr><\/thead><tbody><tr><td>\u6a19\u6e96 (UNC\/UNF)<\/td><td>\u4e2d\u578b<\/td><td>\u9ad8\uff08\u8ef8\uff09<\/td><td>\u6975\u4f73<\/td><td>\u4e00\u822c\u593e\u5177<\/td><td>\u9a45\u52d5\u901f\u5ea6\u8f03\u6162<\/td><\/tr><tr><td>\u5713\u9310\u5f62\/\u68af\u5f62<\/td><td>\u9ad8<\/td><td>\u826f\u597d<\/td><td>\u826f\u597d<\/td><td>\u864e\u9257\uff0c\u81f4\u52d5\u5668<\/td><td>\u6210\u672c\u9069\u4e2d<\/td><\/tr><tr><td>\u65b9\u5f62<\/td><td>\u6700\u9ad8<\/td><td>\u4e0b\u6839<\/td><td>\u8ca7\u7aae<\/td><td>\u7cbe\u5bc6\u5c0e\u87ba\u6746<\/td><td>\u96e3\u4ee5\u52a0\u5de5<\/td><\/tr><tr><td>\u5ced\u58c1<\/td><td>\u9ad8<\/td><td>\u6700\u9ad8 (\u55ae\u7a0b)<\/td><td>\u826f\u597d<\/td><td>\u55ae\u5411\u58d3\u529b\u6a5f<\/td><td>\u50c5\u55ae\u5411<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u8ca0\u8f09\u3001\u9707\u52d5\u8207\u74b0\u5883<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u9707\u52d5\uff1a\u7cbe\u7d30\u87ba\u7d0b\u6216\u9396\u7dca\u529f\u80fd\u3002.<\/li>\n\n\n\n<li>\u91cd\u8ca0\u8377\/\u55ae\u5411\u8ca0\u8377\uff1a\u5f4e\u982d\u3002.<\/li>\n\n\n\n<li>\u9ad8\u6548\u7387\/\u4f4e\u6469\u64e6\uff1a\u65b9\u5f62\u6216\u591a\u91cd\u555f\u52d5\u3002.<\/li>\n\n\n\n<li>\u5c16\u92b3\/\u9aaf\u9ad2\uff1a\u6307\u7bc0\/\u5713.<\/li>\n\n\n\n<li>\u9700\u8981\u81ea\u9396\uff1a\u7c97\u6216\u6a19\u6e96 V\uff08\u907f\u514d\u591a\u91cd\u555f\u52d5\uff09\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7d44\u88dd\u8207\u6548\u80fd<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u901f\u5ea6\/\u7c21\u4fbf\u6027\uff1a\u7c97\u7dda\u7a0b\uff08\u8f03\u5c11\u5708\u6578\uff09\u3002.<\/li>\n\n\n\n<li>\u5f37\u5ea6\/\u9810\u58d3\uff1a\u7d30\u7259\u3002.<\/li>\n\n\n\n<li>\u8584\u58c1\/\u8106\u6027\u6750\u6599\uff1a\u7c97\u3002.<\/li>\n\n\n\n<li>\u96fb\u934d\/\u5857\u5c64\uff1a\u9810\u7559\u984d\u5916\u9593\u9699\uff082A \u7d1a\uff09\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5176\u4ed6\u8003\u616e\u56e0\u7d20<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6210\u672c\uff1a\u6a19\u6e96 V \u578b\u87ba\u7d0b\u6700\u4fbf\u5b9c\u3002.<\/li>\n\n\n\n<li>\u624b\u52d5\u6027\uff1aLH \u9069\u7528\u65bc\u7279\u5b9a\u7684\u9632\u677e (\u4f8b\u5982\u81ea\u884c\u8eca\u8e0f\u677f\u3001\u74e6\u65af\u7b52)\u3002.<\/li>\n\n\n\n<li>\u591a\u91cd\u555f\u52d5\uff1a\u4ee5\u4f4e\u6469\u64e6\u52a0\u5feb\u79fb\u52d5\u901f\u5ea6\u3002.<\/li>\n\n\n\n<li>\u5b89\u5168\/\u95dc\u9375\uff1a\u4f7f\u7528 3A\/3B \u914d\u5408\u3001UNJ\/MJ \u5256\u9762\u3001\u7d93\u9a57\u8b49\u7684\u63a5\u5408\u3002.<\/li>\n\n\n\n<li>\u8b58\u5225\u63d0\u793a\uff1a\u6e2c\u91cf\u4e3b\u8981\u76f4\u5f91 + \u87ba\u8ddd\/TPI + \u5074\u89d2 (60\u00b0 vs 55\u00b0)\u3002\u4f7f\u7528\u87ba\u7d0b\u898f\u6216\u5361\u5c3a\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u7bc4\u4f8b<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u822c\u87ba\u6813\uff08\u6b50\u6d32\uff09\uff1aM8\u00d71.25\uff08\u7c97\u516c\u5236\uff09\u3002.<\/li>\n\n\n\n<li>\u7f8e\u570b\u6263\u4ef6\uff1a3\/8-16 UNC\u3002.<\/li>\n\n\n\n<li>\u7ba1\u6750 (\u7f8e\u570b)\uff1a1\/2 NPT\u3002.<\/li>\n\n\n\n<li>\u5c0e\u87ba\u6746\uff1aTr20\u00d74\uff08\u68af\u5f62\uff09\u6216 1\u2033-5 Acme\u3002.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u5be6\u7528\u8cbc\u58eb<\/strong>:\u5916\u87ba\u7d0b\/\u5167\u87ba\u7d0b\u548c\u6a19\u6e96\u4e00\u5b9a\u8981\u5339\u914d\u3002\u5c0d\u65bc\u65b0\u8a2d\u8a08\uff0c\u70ba\u4e86\u5168\u7403\u53ef\u7528\u6027\uff0c\u8acb\u9078\u64c7\u516c\u5236 ISO\u3002\u78ba\u5207\u5c3a\u5bf8\/\u516c\u5dee\u8acb\u53c3\u8003 ASME B1.1 \/ ISO 261 \u8868\u683c\u3002\u4f7f\u7528\u87ba\u7d0b\u9396\u56fa\u5291\u6216\u588a\u5708\u9632\u9707\u3002\u5982\u679c\u4e0d\u78ba\u5b9a\uff0c\u8acb\u4f7f\u7528 Go\/No-Go \u91cf\u898f\u9032\u884c\u914d\u5408\u6e2c\u8a66\u3002.<\/p>\n\n\n\n<p>\u672c\u5206\u985e\u548c\u6307\u5357\u6db5\u84cb\u7d55\u5927\u591a\u6578\u7684\u5de5\u696d\u3001\u6c7d\u8eca\u3001\u7ba1\u9053\u548c\u6a5f\u68b0\u61c9\u7528\u3002\u5c0d\u65bc\u7279\u6b8a\u7684\u822a\u592a\u3001\u6728\u6750\u6216\u5851\u81a0\u87ba\u7d0b\uff0c\u5247\u9069\u7528\u5176\u4ed6\u6a19\u6e96 (\u4f8b\u5982 UNJ\u3001\u81ea\u653b\u7259)\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>\u5e38\u898b\u554f\u984c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-uagb-faq uagb-faq__outer-wrap uagb-block-b20d637e uagb-faq-icon-row uagb-faq-layout-accordion uagb-faq-expand-first-true uagb-faq-inactive-other-true uagb-faq__wrap uagb-buttons-layout-wrap uagb-faq-equal-height\" data-faqtoggle=\"true\" role=\"tablist\"><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-fecc5f66\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u7c97\u7dda\u548c\u7d30\u7dda\u7684\u4e3b\u8981\u5dee\u5225\u662f\u4ec0\u9ebc\uff1f\u4f55\u6642\u61c9\u8a72\u4f7f\u7528\u5169\u7a2e\u87ba\u7d0b\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p>\u7c97\u7259\u87ba\u7d0b\u7684\u87ba\u8ddd\u8f03\u5927\uff08\u6bcf\u82f1\u540b\u7684\u87ba\u7d0b\u6578\u91cf\u8f03\u5c11\uff0c\u516c\u5236\u87ba\u7d0b\u7684\u87ba\u7d0b\u9593\u8ddd\u8f03\u5927\uff09\uff0c\u800c\u7d30\u7259\u87ba\u7d0b\u7684\u87ba\u8ddd\u8f03\u5c0f\uff08\u87ba\u7d0b\u6578\u91cf\u8f03\u591a\uff09\u3002.<br><br><strong>\u4f7f\u7528\u7c97\u7259\u7dda<\/strong> (\u4f8b\u5982 UNC\u3001\u516c\u5236\u7c97\u7259\/M\uff09\uff0c\u7528\u65bc\uff1a\u88dd\u914d\u901f\u5ea6\u66f4\u5feb\uff08\u9396\u7dca\u5708\u6578\u66f4\u5c11\uff09\u3002.<br>\u5728\u8edf\u6027\u3001\u8106\u6027\u6216\u9ad2\u6c61\u6750\u6599\uff08\u6728\u6750\u3001\u5851\u81a0\u3001\u9444\u4ef6\uff09\u4e0a\u6709\u66f4\u4f73\u7684\u6548\u80fd\u3002.<br>\u8584\u677f\u91d1\u5c6c\u6216\u4ea4\u53c9\u87ba\u7d0b\u98a8\u96aa\u9ad8\u6642\u3002.<br>\u4e00\u822c\u7528\u9014\u7684\u7dca\u56fa\uff0c\u5c0d\u6700\u5927\u5f37\u5ea6\u8981\u6c42\u4e0d\u9ad8\u3002.<br>\u5728\u8f03\u4f4e\u5f37\u5ea6\u7684\u6750\u6599\u4e0a\u66f4\u5bb9\u6613\u653b\u7259\u53ca\u6e1b\u5c11\u525d\u96e2\u3002.<br><br><strong>\u4f7f\u7528\u7d30\u7dda<\/strong> (\u4f8b\u5982\uff0cUNF\u3001\u516c\u5236\u7d30\u7259\/MF\uff09\u7528\u65bc\uff1a\u8f03\u9ad8\u7684\u6297\u62c9\u5f37\u5ea6\u548c\u8f03\u597d\u7684\u8ca0\u8f09\u5206\u5e03\uff08\u62c9\u4f38\u6642\u7565\u5f37\uff09\u3002.<br>\u512a\u7570\u7684\u6297\u9707\u6027\uff08\u66f4\u591a\u7684\u87ba\u7d0b = \u66f4\u597d\u7684\u9396\u7dca\uff09\u3002.<br>\u7cbe\u5bc6\u8abf\u6574\u6216\u7cbe\u7d30\u5b9a\u4f4d\uff08\u5982\u5c0e\u87ba\u687f\u3001\u6821\u6b63\uff09\u3002.<br>\u8f03\u539a\u3001\u8f03\u786c\u7684\u91d1\u5c6c\u6216\u9ad8\u9810\u8f09\u61c9\u7528\uff08\u6c7d\u8eca\u3001\u822a\u592a\uff09\u3002.<br>\u8584\u58c1\u96f6\u4ef6\u53ef\u80fd\u6703\u88ab\u7c97\u6599\u525d\u96e2\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-8013e34f\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u516c\u5236 (M) vs. \u7d71\u4e00 (UNC\/UNF) - \u6211\u61c9\u8a72\u9078\u64c7\u54ea\u4e00\u7a2e\uff0c\u70ba\u4ec0\u9ebc\u5b83\u5011\u4e0d\u80fd\u4e92\u63db\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p><strong>\u516c\u5236 (ISO M)<\/strong> - \u5168\u7403\u6a19\u6e96 (\u9664\u50b3\u7d71\u7684\u7f8e\u570b\/\u82f1\u570b\u7cfb\u7d71\u4e4b\u5916\uff0c\u5e7e\u4e4e\u7121\u8655\u4e0d\u5728)\u300260\u00b0 \u87ba\u7d0b\u89d2\uff0c\u6307\u5b9a\u70ba M10\u00d71.5\uff08\u76f4\u5f91 \u00d7 \u9593\u8ddd\uff0c\u55ae\u4f4d\u70ba mm\uff09\u3002.<br><br><strong>\u7d71\u4e00 (UTS - UNC \u7c97\uff0cUNF \u7cbe)<\/strong> - \u5728\u5317\u7f8e\u4f54\u64da\u4e3b\u5c0e\u5730\u4f4d\u3002\u4e5f\u662f 60\u00b0 \u89d2\uff0c\u4f46\u4ee5\u82f1\u5236\u70ba\u57fa\u790e (\u4f8b\u5982\uff1a1\/2-13 UNC = \u00bd\u201d \u76f4\u5f91\uff0c\u6bcf\u82f1\u540b 13 \u500b\u87ba\u7d0b)\u3002.<br><br>\u5b83\u5011\u770b\u8d77\u4f86\u76f8\u4f3c\uff0c\u4f46\u5728\u5927\u591a\u6578\u5c3a\u5bf8\u4e2d\u9593\u8ddd\u4e0d\u540c \u2192 \u4e0d\u53ef\u4e92\u63db\uff08\u6703\u4ea4\u53c9\u87ba\u7d0b\u6216\u7d50\u5408\uff09\u3002. <strong>\u9078\u64c7\u516c\u5236<\/strong> \u77ad\u89e3\u65b0\u8a2d\u8a08\u3001\u570b\u969b\u517c\u5bb9\u6027\u53ca\u5168\u7403\u4f9b\u61c9\u60c5\u6cc1\u3002. <strong>\u9078\u64c7\u7d71\u4e00<\/strong> \u5982\u679c\u5339\u914d\u73fe\u6709\u7684\u7f8e\u570b\/\u52a0\u62ff\u5927\u8a2d\u5099\u3001\u6c7d\u8eca\u6216\u822a\u7a7a\u822a\u5929\u96f6\u4ef6\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-903397e6\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">NPT \u548c BSP \u7ba1\u87ba\u7eb9\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u53ef\u4ee5\u6df7\u5408\u4f7f\u7528\u55ce\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p><strong>NPT\uff08\u570b\u5bb6\u7ba1\u9310\uff09<\/strong> - \u7f8e\u570b\u6a19\u6e96\u300160\u00b0 \u89d2\u3001\u9310\u5f62\uff081\u00b047\u2032 \u9310\u5ea6\uff09\u3001\u904e\u76c8\u81ea\u5bc6\u5c01 + \u901a\u5e38\u87ba\u7d0b\u5bc6\u5c01\u5291\/\u81a0\u5e36\u3002\u5e38\u7528\u65bc\u5317\u7f8e\u7684\u7ba1\u9053\u3001\u74e6\u65af\u3001\u6db2\u58d3\u3002.<br><br><strong>BSP\uff08\u82f1\u570b\u6a19\u6e96\u7ba1\uff09<\/strong> - 55\u00b0 \u89d2\u3002\u6709\u591a\u7a2e\u5c3a\u5bf8\uff1a <strong>BSPP (G \/ \u5e73\u884c)<\/strong> - \u76f4\u7dda\u87ba\u7d0b\uff1b\u9700\u8981\u588a\u5708\u3001O \u578b\u74b0\u6216\u588a\u7247\u5bc6\u5c01\u3002.<br><br><strong>BSPT (R \/ \u9310\u5f62)<\/strong> - \u9310\u5ea6\u8207 NPT \u76f8\u4f3c\uff0c\u4f46\u89d2\u5ea6\/\u9593\u8ddd\u4e0d\u540c\u3002.<br><br><strong>\u5207\u52ff\u6df7\u7528 NPT \u548c BSP<\/strong> - \u4e0d\u540c\u7684\u89d2\u5ea6\uff0860\u00b0 \u5c0d 55\u00b0\uff09\u3001\u9593\u8ddd\u548c\u9310\u5ea6\u6703\u9020\u6210\u6d29\u6f0f\u6216\u640d\u58de\u3002NPT \u8207 BSPP \u6216 BSPT \u4e0d\u76f8\u5bb9\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-53c87e9d\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u5982\u4f55\u5feb\u901f\u8b58\u5225\u672a\u77e5\u7dda\u7a0b\u985e\u578b\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p>1.\u6e2c\u91cf\u4e3b\u8981\u76f4\u5f91\uff08\u4f7f\u7528\u5361\u5c3a - \u5916\u90e8\u6216\u5167\u90e8\uff09\u3002.<br>2.\u6bcf\u82f1\u540b\u8a08\u6578\u87ba\u7d0b (TPI) \u6216\u4ee5 mm \u70ba\u55ae\u4f4d\u91cf\u6e2c\u87ba\u8ddd\u3002.<br>3.\u6aa2\u67e5\u662f\u5426\u70ba\u9310\u5f62\u72c0\uff08\u4f7f\u7528\u5361\u5c3a\u6cbf\u8457\u9577\u5ea6\u6aa2\u67e5 - NPT\/BSPT \u6709\u660e\u986f\u7684\u9310\u5f62\u72c0\uff1b\u5e73\u884c\u7684\u5247\u6c92\u6709\uff09\u3002.<br>4.\u4f7f\u7528\u87ba\u7d0b\u898f\u6216\u87ba\u8ddd\u898f\u4f86\u5339\u914d\u8f2a\u5ed3\/\u89d2\u5ea6\uff0860\u00b0 = \u516c\u5236\/UN\/NPT\uff1b55\u00b0 = BSP\/Whitworth\uff09\u3002.<br>5.\u5982\u6709\u53ef\u80fd\uff0c\u4f7f\u7528\u5df2\u77e5\u87ba\u6bcd\/\u87ba\u6813\u9032\u884c\u6e2c\u8a66\u914d\u5408\u3002. <br><br>\u5e38\u898b\u7684\u5feb\u901f\u6aa2\u67e5\uff1a60\u00b0 + \u82f1\u540b + \u9310\u5ea6 = \u53ef\u80fd\u662f NPT\uff1b55\u00b0 + \u82f1\u540b = \u53ef\u80fd\u662f BSP\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-288836c1\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u7528\u65bc\u52d5\u529b\u50b3\u52d5\/\u5c0e\u87ba\u6746\/\u864e\u6756 - \u54ea\u7a2e\u87ba\u7d0b\u8f2a\u5ed3\u6700\u597d\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p><strong>Acme \u6216\u68af\u5f62 (Tr)<\/strong> - \u6700\u53d7\u6b61\u8fce\u7684\u64fa\u8f2a\uff1a\u6548\u7387\u4f73\uff0c\u6bd4\u65b9\u5f62\u66f4\u5bb9\u6613\u52a0\u5de5\uff0c\u5f37\u5ea6\u8db3\u4ee5\u627f\u53d7\u8ca0\u8377\uff0829-30\u00b0\u5074\u9762\uff09\u3002\u9810\u8a2d\u7528\u65bc CNC \u5f15\u7dda\u87ba\u687f\u3001\u5343\u65a4\u9802\u3001\u864e\u94b3\u3002.<br><br><strong>\u65b9\u5f62<\/strong> - \u6548\u7387\u6700\u9ad8 \/ \u6469\u64e6\u6700\u4f4e\uff0c\u4f46\u6839\u90e8\u8f03\u5f31\uff0c\u88fd\u9020\u96e3\u5ea6\u9ad8 \/ \u6210\u672c\u9ad8 \u2192 \u8f03\u820a\u6216\u7cbe\u5bc6\u7528\u9014\u3002.<br><br><strong>\u5ced\u58c1<\/strong> - \u975e\u5e38\u9069\u5408\u55ae\u5411\u91cd\u8ca0\u8377 (\u5982\u58d3\u5e8a)\uff0c\u4f46\u4e0d\u5c0d\u7a31\u3002.<br><br>\u91cd\u578b\u52d5\u529b\u50b3\u8f38\u907f\u514d\u4f7f\u7528\u6a19\u6e96 V \u578b\u87ba\u7d0b (UNC\/M) - \u6469\u64e6\u5927\u3001\u78e8\u8017\u9ad8\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-38b38fc9\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u4f55\u6642\u9700\u8981\u591a\u91cd\u555f\u52d5\u7dda\u7a0b\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p>\u591a\u91cd\u8d77\u59cb\uff08\u96d9\u91cd\u3001\u4e09\u91cd\u7b49\uff09\u87ba\u7d0b\u6bcf\u8f49\u9032\u5ea6\u66f4\u5feb\uff08\u5c0e\u7a0b = \u87ba\u8ddd \u00d7 \u8d77\u59cb\uff09\u3002\u5728\u4e0b\u5217\u60c5\u6cc1\u4e0b\u4f7f\u7528\uff1a\u4f4e\u8f49\u901f\u4e0b\u9700\u8981\u66f4\u5feb\u7684\u7dda\u6027\u79fb\u52d5\uff0c\u6216\u6e1b\u5c11\u81ea\u9396\uff08\u4f8b\u5982\u5feb\u901f\u8abf\u6574\u6a5f\u69cb\uff09\u3002. <br><br>\u7f3a\u9ede\uff1a \u4e0b\u90e8\u81ea\u9396\uff08\u8ca0\u8f09\u6642\u53ef\u80fd\u6703\u53cd\u5411\u9a45\u52d5\uff09\uff0c\u56e0\u6b64\u9700\u8981\u642d\u914d\u715e\u8eca\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-1c20e51a\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u7c97\u7c92\u8207\u7d30\u7c92 - \u54ea\u4e00\u7a2e\u9632\u9707\/\u9632\u9b06\u6548\u679c\u8f03\u597d\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p>\u7d30\u7259\u87ba\u7d0b\u512a\u52dd - \u66f4\u591a\u7684\u87ba\u7d0b\u9f67\u5408 = \u66f4\u597d\u7684\u6469\u64e6\u529b\u548c\u6297\u632f\u52d5\u5f15\u8d77\u7684\u9b06\u812b\u3002\u7c97\u7259\u5728\u5faa\u74b0\u8ca0\u8377\u4e0b\u8f03\u5bb9\u6613\u9b06\u812b\u3002. <br>(\u4e0d\u7ba1\u87ba\u8ddd\u5982\u4f55\uff0c\u9084\u662f\u8981\u4f7f\u7528\u87ba\u7d0b\u9396\u56fa\u5291\u3001\u9396\u7dca\u588a\u5708\u6216\u4e00\u822c\u626d\u529b\u87ba\u5e3d\u4f86\u7372\u5f97\u95dc\u9375\u7684\u6297\u9707\u6027\uff09\u3002<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-1f4859c9\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u6211\u61c9\u8a72\u4f7f\u7528\u54ea\u4e00\u7a2e\u7b49\u7d1a \/ \u5408\u9069\u7684\u7dda (\u4f8b\u5982\uff1a2A\/2B \u5c0d 3A\/3B)\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p><strong>2A\/2B \u7d1a<\/strong> - \u4e00\u822c\u7528\u9014 (~90% \u7684\u7528\u9014)\uff1a\u5728\u5bb9\u6613\u7d44\u88dd\u8207\u5f37\u5ea6\u4e4b\u9593\u53d6\u5f97\u826f\u597d\u5e73\u8861\u3002.<br><strong>1A\/1B \u7d1a<\/strong> - \u9b06\u7dca\u914d\u5408 (\u7f55\u898b\uff0c\u7528\u65bc\u5feb\u901f\u7d44\u88dd\u6216\u934d\u4ef6)\u3002.<br><strong>3A\/3B \u7d1a<\/strong> - \u7dca\u5bc6\/\u7cbe\u5bc6\u914d\u5408\uff1a\u6700\u5c0f\u9593\u9699\u3001\u66f4\u9ad8\u5f37\u5ea6\uff0c\u7528\u65bc\u822a\u592a\u3001\u95dc\u9375\u6a5f\u68b0\u3002\u8f03\u96e3\u7d44\u88dd\uff0c\u50f9\u683c\u8f03\u9ad8\u3002.<br><br>\u9664\u975e\u898f\u683c\u8981\u6c42\u66f4\u56b4\u683c\u7684\u516c\u5dee\uff0c\u5426\u5247\u8acb\u4f7f\u7528 2A\/2B\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-f8cf0f10\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u70ba\u4ec0\u9ebc\u6709\u4e9b\u87ba\u7d0b\u9700\u8981\u5bc6\u5c01\u5291\/\u81a0\u5e36\uff0c\u6709\u4e9b\u5247\u4e0d\u9700\u8981\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p>\u9310\u5f62\u87ba\u7d0b (NPT\u3001BSPT\u3001NPTF) \u5728\u9396\u7dca\u6642\u6703\u7522\u751f\u91d1\u5c6c\u8207\u91d1\u5c6c\u4e4b\u9593\u7684\u904e\u76c8\u5bc6\u5c01 \u2192 \u901a\u5e38\u70ba\u4e7e\u5f0f\u5bc6\u5c01 (NPTF) \u6216\u53ea\u9700\u6975\u5c11\u7684\u5bc6\u5c01\u5291\u3002.<br><br>\u5e73\u884c\u87ba\u7d0b\uff08BSPP\/G\u3001NPS\u3001\u516c\u5236\u5e73\u884c\u87ba\u7d0b\uff09\u4f9d\u8cf4\u65bc\u588a\u5708\u3001O \u578b\u74b0\u6216\u588a\u7247 - \u50c5\u87ba\u7d0b\u672c\u8eab\u6c92\u6709\u56fa\u6709\u7684\u5bc6\u5c01\u6027\u3002.<\/p><\/div><\/div><div class=\"wp-block-uagb-faq-child uagb-faq-child__outer-wrap uagb-faq-item uagb-block-64b36c05\" role=\"tab\" tabindex=\"0\"><div class=\"uagb-faq-questions-button uagb-faq-questions\">\t\t\t<span class=\"uagb-icon uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M432 256c0 17.69-14.33 32.01-32 32.01H256v144c0 17.69-14.33 31.99-32 31.99s-32-14.3-32-31.99v-144H48c-17.67 0-32-14.32-32-32.01s14.33-31.99 32-31.99H192v-144c0-17.69 14.33-32.01 32-32.01s32 14.32 32 32.01v144h144C417.7 224 432 238.3 432 256z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<span class=\"uagb-icon-active uagb-faq-icon-wrap\">\n\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 448 512\"><path d=\"M400 288h-352c-17.69 0-32-14.32-32-32.01s14.31-31.99 32-31.99h352c17.69 0 32 14.3 32 31.99S417.7 288 400 288z\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/span>\n\t\t\t<span class=\"uagb-question\">\u6372\u7dda\u6bd4\u526a\u7dda\u597d\u55ce\uff1f<\/span><\/div><div class=\"uagb-faq-content\"><p>\u6efe\u58d3\u87ba\u7d0b\uff08\u5728\u58d3\u529b\u4e0b\u5f62\u6210\uff09\u5177\u6709\u66f4\u5e73\u6ed1\u7684\u8868\u9762\u3001\u66f4\u597d\u7684\u6676\u7c92\u6d41\u52d5\u6027\u3001\u66f4\u9ad8\u7684\u8010\u75b2\u52de\u6027\u4ee5\u53ca ~10-20% \u66f4\u9ad8\u7684\u6297\u62c9\u5f37\u5ea6\u3002.<br><br>\u5207\u524a\u87ba\u7d0b\u8f03\u4fbf\u5b9c\uff0c\u4f46\u6839\u90e8\u8f03\u5f31\u3002\u5c0d\u65bc\u95dc\u9375\/\u9ad8\u5faa\u74b0\u61c9\u7528\uff08\u87ba\u6813\u3001\u87ba\u67f1\uff09\uff0c\u5efa\u8b70\u4f7f\u7528\u6efe\u58d3\u87ba\u7d0b\u3002.<\/p><\/div><\/div><\/div>\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Comprehensive Classification of Thread Types and Selection Guide Screw threads (also called screw threads or fastener threads) are helical ridges on cylindrical surfaces that convert rotational motion into linear motion or force. They are essential in fasteners (bolts, screws, nuts), power transmission (leadscrews, jacks), pipe sealing, and precision mechanisms. 1. Key Terminology Understanding geometry is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18420,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[175],"tags":[176],"class_list":["post-18412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threading-machining","tag-threading-machining"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide.webp",1601,936,false],"thumbnail":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide-150x150.webp",150,150,true],"medium":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide-300x175.webp",300,175,true],"medium_large":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide-768x449.webp",768,449,true],"large":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide-1024x599.webp",1024,599,true],"1536x1536":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide-1536x898.webp",1536,898,true],"2048x2048":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide.webp",1601,936,false],"trp-custom-language-flag":["https:\/\/onmytoolings.com\/wp-content\/uploads\/2026\/03\/Comprehensive-Classification-of-Thread-Types-and-Selection-Guide-18x12.webp",18,12,true]},"uagb_author_info":{"display_name":"Jiang.xu","author_link":"https:\/\/onmytoolings.com\/zh\/author\/bigsunjianggmail-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Comprehensive Classification of Thread Types and Selection Guide Screw threads (also called screw threads or fastener threads) are helical ridges on cylindrical surfaces that convert rotational motion into linear motion or force. They are essential in fasteners (bolts, screws, nuts), power transmission (leadscrews, jacks), pipe sealing, and precision mechanisms. 1. Key Terminology Understanding geometry is...","_links":{"self":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/posts\/18412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/comments?post=18412"}],"version-history":[{"count":10,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/posts\/18412\/revisions"}],"predecessor-version":[{"id":18425,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/posts\/18412\/revisions\/18425"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/media\/18420"}],"wp:attachment":[{"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/media?parent=18412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/categories?post=18412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onmytoolings.com\/zh\/wp-json\/wp\/v2\/tags?post=18412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}