{"id":2407,"date":"2025-12-09T14:15:02","date_gmt":"2025-12-09T06:15:02","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2407"},"modified":"2026-03-15T18:09:39","modified_gmt":"2026-03-15T10:09:39","slug":"thread-standards-identification","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/zh-tw\/thread-standards-identification\/","title":{"rendered":"\u5de5\u696d\u5100\u5668\u901a\u7528\u87ba\u7d0b\u6a19\u6e96\u7c21\u4ecb\uff1a\u8b58\u5225\u87ba\u7d0b\u898f\u683c\u7684\u56db\u500b\u6b65\u9a5f\uff01"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u60a8\u662f\u5426\u5c0d\u300c\u87ba\u7d0b\u300d\u3001\u300c\u88fd\u7a0b\u9023\u63a5\u300d\u3001\u300c\u9023\u63a5\u5668\u300d\u548c\u300c\u914d\u4ef6\u300d\u7b49\u540d\u8a5e\u611f\u5230\u4e0d\u77e5\u6240\u63aa\uff1f<\/strong><br>\u66f4\u4f55\u6cc1\u9084\u6709\u5404\u7a2e\u5340\u57df\u5171\u901a\u6a19\u6e96\u548c\u898f\u683c\u8981\u61c9\u4ed8\u3002<\/p>\n\n\n\n<p>\u6709\u8208\u8da3\u627e\u5230\u6700\u9069\u5408\u60a8\u7279\u5b9a\u61c9\u7528\u9700\u6c42\u7684\u7522\u54c1\u55ce\uff1f<br>\u63a2\u7d22 SJ Gauge \u63d0\u4f9b\u7684\u56db\u7a2e\u4e3b\u8981\u87ba\u7d0b\u9023\u63a5\u985e\u578b\uff1aNPT\u3001PT\u3001G \u548c 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class=\"eztoc-hide\" style=\"display:none;\">\u5207\u63db<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7b1e1c;color:#7b1e1c\" 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: #7b1e1c;color:#7b1e1c\" 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 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href=\"https:\/\/www.sj-gauge.com\/zh-tw\/thread-standards-identification\/#a-determine-if-the-thread-is-straight-parallel-or-tapered-conical\" >a.\u78ba\u5b9a\u87ba\u7d0b\u662f\u76f4\u7dda\uff08\u5e73\u884c\uff09\u9084\u662f\u9310\u5f62\uff08\u5713\u9310\uff09\uff1a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sj-gauge.com\/zh-tw\/thread-standards-identification\/#b-determine-the-type-of-thread-and-pitch\" >b.\u78ba\u5b9a\u87ba\u7d0b\u985e\u578b\u548c\u9593\u8ddd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sj-gauge.com\/zh-tw\/thread-standards-identification\/#c-determine-the-size-of-the-connector\" >c.\u78ba\u5b9a\u9023\u63a5\u5668\u7684\u5c3a\u5bf8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sj-gauge.com\/zh-tw\/thread-standards-identification\/#d-refer-to-various-thread-standard-tables-straight-taper-size-pitch-size\" >d.\u53c3\u8003\u5404\u7a2e\u87ba\u7d0b\u6a19\u6e96\u8868\uff08\u76f4\u87ba\u7d0b\u3001\u9310\u5ea6\u87ba\u7d0b\u3001\u5c3a\u5bf8\u87ba\u7d0b\u3001\u7bc0\u8ddd\u87ba\u7d0b\u3001\u5c3a\u5bf8\u87ba\u7d0b\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.sj-gauge.com\/zh-tw\/thread-standards-identification\/#5-four-steps-to-identify-thread-specifications\" >5.\u8b58\u5225\u87ba\u7d0b\u898f\u683c\u7684\u56db\u500b\u6b65\u9a5f<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-ef3d9be3481b554202d10938e7542595\"><span class=\"ez-toc-section\" id=\"1-what-are-threads-what-are-their-functions\"><\/span>1.\u4ec0\u9ebc\u662f\u7dda\u7a0b\uff1f\u5b83\u5011\u7684\u529f\u80fd\u662f\u4ec0\u9ebc\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u87ba\u7d0b\u4e5f\u7a31\u70ba\u914d\u4ef6\u3001\u9023\u63a5\u5668\u548c\u87ba\u7d0b\u63a5\u982d\uff0c\u7528\u65bc\u9023\u63a5\u58d3\u529b\u9336\u548c\u58d3\u529b\u4ecb\u8cea\u6e90\u3002<\/p>\n\n\n\n<p>\u5b83\u5011\u7531\u5916\u87ba\u7d0b\uff08\u5916\u87ba\u7d0b\uff09\u548c\u5167\u87ba\u7d0b\uff08\u5167\u87ba\u7d0b\uff09\u7dca\u5bc6\u7d50\u5408\u800c\u6210\u3002<\/p>\n\n\n\n<p>\u87ba\u7d0b\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u58d3\u529b\u6216\u4ecb\u8cea\u80fd\u5728\u5b8c\u5168\u5bc6\u5c01\u7684\u72c0\u614b\u4e0b\u50b3\u9001\u81f3\u58d3\u529b\u9336\u3002<\/p>\n\n\n\n<p>\u6709\u6642\uff0c\u5bc6\u5c01\u81a0\u5e36\u3001O \u5f62\u74b0\u548c\u588a\u7247\u7b49\u914d\u4ef6\u6703\u8207\u87ba\u7d0b\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u9078\u64c7\u87ba\u7d0b\u5c3a\u5bf8\u6642\uff0c\u5fc5\u9808\u8003\u616e\u5176\u662f\u5426\u7b26\u5408\u58d3\u529b\u9336\u63a5\u982d\u7684\u898f\u683c\u3002<\/p>\n\n\n\n<p>\u5728\u8cfc\u8cb7\u58d3\u529b\u9336\u6216\u6eab\u5ea6\u8a08\u7b49\u5100\u5668\u6642\uff0c\u5411\u4f9b\u61c9\u5546\u63d0\u4f9b\u6709\u95dc\u87ba\u7d0b\u5c3a\u5bf8\u7684\u8cc7\u8a0a\u4e5f\u5f88\u91cd\u8981\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-8 wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px\">\n<figure class=\"wp-block-image size-thumbnail has-custom-border is-style-default\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img decoding=\"async\" width=\"92\" height=\"150\" data-id=\"2408\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u516b\u5206\u4e4b\u4e00-92x150.png\" alt=\"\" class=\"wp-image-2408\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 1\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img decoding=\"async\" width=\"90\" height=\"150\" data-id=\"2409\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u56db\u5206\u4e4b\u4e0019\u7259-90x150.png\" alt=\"\" class=\"wp-image-2409\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 1\/4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img decoding=\"async\" width=\"114\" height=\"150\" data-id=\"2410\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u516b\u5206\u4e4b\u4e09-114x150.png\" alt=\"\" class=\"wp-image-2410\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 3\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"116\" height=\"150\" data-id=\"2411\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/PT\u4e8c\u5206\u4e4b\u4e00-116x150.png\" alt=\"\" class=\"wp-image-2411\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">PT 1\/2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"150\" data-id=\"2412\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u7f8e\u5236\u5341\u516d\u5206\u4e4b\u4e03-93x150.png\" alt=\"\" class=\"wp-image-2412\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">UNF 7\/16<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"105\" height=\"150\" data-id=\"2413\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/NPT\u56db\u5206\u4e4b\u4e0018\u7259-105x150.png\" alt=\"\" class=\"wp-image-2413\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">NPT 1\/4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"116\" height=\"150\" data-id=\"2415\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/NPT\u516b\u5206\u4e4b\u4e09-116x150.png\" alt=\"\" class=\"wp-image-2415\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">NPT 3\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-right:0;margin-bottom:var(--wp--preset--spacing--80);margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"115\" height=\"150\" data-id=\"2416\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/NPT\u4e8c\u5206\u4e4b\u4e00-115x150.png\" alt=\"\" class=\"wp-image-2416\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">NPT 1\/2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"150\" data-id=\"2419\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/G\u56db\u5206\u4e4b\u4e0019\u7259-91x150.png\" alt=\"\" class=\"wp-image-2419\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">G 1\/4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"100\" height=\"150\" data-id=\"2420\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/G\u516b\u5206\u4e4b\u4e09-100x150.png\" alt=\"\" class=\"wp-image-2420\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">G 3\/8<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"116\" height=\"150\" data-id=\"2421\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/G\u4e8c\u5206\u4e4b\u4e00-116x150.png\" alt=\"\" class=\"wp-image-2421\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">G 1\/2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"84\" height=\"150\" data-id=\"2422\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M10x1-84x150.png\" alt=\"\" class=\"wp-image-2422\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 10*1<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"91\" height=\"150\" data-id=\"2423\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M12x1.5-91x150.png\" alt=\"\" class=\"wp-image-2423\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 12*1.5<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"93\" height=\"150\" data-id=\"2424\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M14x1.5-93x150.png\" alt=\"\" class=\"wp-image-2424\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 14*1.5<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-right:0;margin-bottom:var(--wp--preset--spacing--80);margin-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"86\" height=\"150\" data-id=\"2425\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M16x1.5-1-86x150.png\" alt=\"\" class=\"wp-image-2425\" style=\"border-style:none;border-width:0px;border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 16*1.5<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-thumbnail has-custom-border\" style=\"margin-top:var(--wp--preset--spacing--80);margin-bottom:var(--wp--preset--spacing--80)\"><img loading=\"lazy\" decoding=\"async\" width=\"109\" height=\"150\" data-id=\"2426\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/M20x1.5-109x150.png\" alt=\"\" class=\"wp-image-2426\" style=\"border-style:none;border-width:0px;aspect-ratio:9\/16\"\/><figcaption class=\"wp-element-caption\">M 20*1.5<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-993c88f3df995e71aef97e15d882c327\"><span class=\"ez-toc-section\" id=\"2-what-problems-can-arise-from-choosing-the-wrong-thread-connection-type\"><\/span>2.\u9078\u64c7\u932f\u8aa4\u7684\u87ba\u7d0b\u9023\u63a5\u985e\u578b\u6703\u7522\u751f\u4ec0\u9ebc\u554f\u984c\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u87ba\u7d0b\u9023\u63a5\u4e0d\u5339\u914d\u6703\u7522\u751f\u54ea\u4e9b\u554f\u984c\uff1f<\/p>\n\n\n\n<p>\u5728\u78ba\u8a8d\u87ba\u7d0b\u9023\u63a5\u985e\u578b\u4e4b\u524d\uff0c\u8acb\u907f\u514d\u5c07\u87ba\u7d0b\u9023\u63a5\u81f3\u60a8\u7684\u5100\u5668\u3002<br>\u9019\u6709\u53ef\u80fd\u5c0e\u81f4\u8a2d\u5099\u640d\u58de\u3001\u751f\u7522\u7dda\u505c\u6a5f\u548c\u751f\u7522\u6548\u7387\u4f4e\u4e0b\u3002<br>\u76ee\u8996\u6aa2\u67e5\u4e0d\u8db3\u4ee5\u5224\u65b7\u87ba\u7d0b\u9023\u63a5\u985e\u578b\u662f\u5426\u4e0d\u6b63\u78ba\u3002<\/p>\n\n\n\n<p>\u70ba\u4ec0\u9ebc\u5fc5\u9808\u8aaa\u660e\u87ba\u7d0b\u9023\u63a5\u985e\u578b\uff1f<\/p>\n\n\n\n<p>\u7576\u5617\u8a66\u9023\u63a5\u5169\u7a2e\u4e0d\u540c\u7684\u87ba\u7d0b\u985e\u578b\u6642\uff0c\u7531\u65bc\u87ba\u8ddd\u6216\u76f4\u5f91\u7684\u5dee\u7570\uff0c\u87ba\u7d0b\u53ef\u80fd\u7121\u6cd5\u7a69\u56fa\u5730\u914d\u5408\u5728\u4e00\u8d77\u3002<br>\u9019\u6703\u5c0e\u81f4\u87ba\u7d0b\u7121\u6cd5\u5b8c\u5168\u9396\u7dca\u3002\u5982\u679c\u60a8\u8a66\u5716\u5f37\u884c\u5b89\u88dd\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u87ba\u7d0b\u9802\u89d2\u8b8a\u5f62\u3001\u5361\u4f4f\u548c\u87ba\u7d0b\u7121\u6cd5\u6d3b\u52d5\u3002\u5373\u4f7f\u60a8\u6700\u7d42\u6210\u529f\u5c07\u87ba\u7d0b\u5f9e\u7ba1\u9053\u4e2d\u53d6\u51fa\uff0c\u4e5f\u7121\u6cd5\u9054\u5230\u9069\u7576\u7684\u5bc6\u5c01\u6548\u679c\u3002<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u6240\u6709\u554f\u984c\u90fd\u6709\u53ef\u80fd\u5c0e\u81f4\u88fd\u7a0b\u6e2c\u91cf\u5a92\u4ecb\u7684\u6d29\u6f0f\u3001\u6c61\u67d3\u6216\u5100\u5668\u6545\u969c\u3002<br>\u5e78\u904b\u7684\u662f\uff0c\u5982\u679c\u60a8\u80fd\u627e\u51fa\u6b63\u78ba\u7684\u9023\u63a5\u65b9\u5f0f\uff0c\u5c31\u80fd\u5927\u5e45\u6e1b\u5c11\u9019\u4e9b\u554f\u984c\u7684\u767c\u751f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color\"><span class=\"ez-toc-section\" id=\"3-two-measuring-tools-to-know-before-selecting-threads\"><\/span>3.\u9078\u64c7\u87ba\u7d0b\u524d\u5fc5\u9808\u77ad\u89e3\u7684\u5169\u7a2e\u6e2c\u91cf\u5de5\u5177<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-vernier-caliper\"><\/span>a. <strong>\u6e38\u6a19\u5361\u5c3a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u6e38\u6a19\u5361\u5c3a\u53c8\u7a31\u70ba\u6e38\u6a19\u523b\u5ea6\u5c3a\u3001\u6e38\u6a19\u91cf\u5177\u6216\u6e38\u6a19\u523b\u5ea6\u5361\u5c3a\uff0c\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u7cbe\u5bc6\u6e2c\u91cf\u5de5\u5177\uff0c\u7528\u65bc\u6e2c\u91cf\u9577\u5ea6\u3001\u5167\u5916\u5f91\u548c\u6df1\u5ea6\u3002\u5b83\u7531\u5169\u90e8\u5206\u7d44\u6210\uff1a\u4e3b\u523b\u5ea6\u548c\u6e38\u6a19\u523b\u5ea6\uff0c\u6e38\u6a19\u523b\u5ea6\u6cbf\u8457\u4e3b\u523b\u5ea6\u6ed1\u52d5\u3002<\/p>\n\n\n\n<p>\u4e3b\u523b\u5ea6\u901a\u5e38\u4ee5\u6beb\u7c73 (mm) \u70ba\u523b\u5ea6\u55ae\u4f4d\uff0c\u4e26\u6709\u4e0d\u540c\u7684\u7d30\u5206\u523b\u5ea6\uff0c\u4f8b\u5982\u5341\u500b\u523b\u5ea6\u5206\u5ea6\u3001\u4e8c\u5341\u500b\u523b\u5ea6\u5206\u5ea6\u6216\u4e94\u5341\u500b\u523b\u5ea6\u5206\u5ea6\u3002<\/p>\n\n\n\n<p>\u6e38\u6a19\u5361\u5c3a\u4e5f\u6709\u76f8\u61c9\u7684\u540d\u7a31\uff0c\u4f8b\u5982 \u300c\u5341\u500d\u6578\u6e38\u6a19\u5361\u5c3a\u300d\u3001\u300c\u4e8c\u5341\u500d\u6578\u6e38\u6a19\u5361\u5c3a \u300d\u6216 \u300c\u4e94\u5341\u500d\u6578\u6e38\u6a19\u5361\u5c3a\u300d\u3002\u201c<\/p>\n\n\n\n<p>\u6642\u81f3\u4eca\u65e5\uff0c\u6e38\u6a19\u5361\u5c3a\u6709\u591a\u7a2e\u6b3e\u5f0f\u3002\u9664\u4e86\u4e0b\u5716\u6240\u793a\u7684\u50b3\u7d71\u5f62\u5f0f\u5916\uff0c\u9084\u6709\u523b\u5ea6\u5361\u5c3a\uff08\u53ef\u8207\u91cf\u898f\u914d\u5408\u4f7f\u7528\uff0c\u540c\u6642\u9032\u884c\u6e2c\u91cf\uff09\u548c\u6578\u4f4d\u5361\u5c3a\uff08\u53ef\u5728 LCD \u87a2\u5e55\u4e0a\u986f\u793a\u6e2c\u91cf\u8cc7\u6599\uff09\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"801\" height=\"534\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX.jpg\" alt=\"\" class=\"wp-image-2427\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX.jpg 801w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX-300x200.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX-768x512.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/3-XX-600x400.jpg 600w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"b-thread-gauge\"><\/span>b.\u87ba\u7d0b\u898f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u87ba\u7d0b\u898f\u4e5f\u7a31\u70ba\u87ba\u7d0b\u898f\u6216\u87ba\u8ddd\u898f\u3002<br>\u5b83\u662f\u7528\u4f86\u8f14\u52a9\u6e2c\u91cf\u87ba\u7d0b\u898f\u683c\u7684\u3002\u60a8\u53ea\u9700\u4f7f\u7528\u7dda\u898f\u53cd\u8986\u6bd4\u8f03\uff0c\u5373\u53ef\u627e\u5230\u6700\u9069\u5408\u7684\u5c3a\u5bf8\u3002<br>\u5e02\u5834\u4e0a\u6700\u5e38\u898b\u7684\u87ba\u7d0b\u985e\u578b\u6709\u7f8e\u6a19\u3001\u82f1\u6a19\u548c\u516c\u5236\u7cfb\u7d71\uff0c\u6bcf\u7a2e\u7cfb\u7d71\u90fd\u6709\u5176\u7279\u5b9a\u7684\u87ba\u7d0b\u898f\u683c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"920\" height=\"464\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX.jpg\" alt=\"\" class=\"wp-image-2428\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX.jpg 920w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX-300x151.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX-768x387.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/1-XX-600x303.jpg 600w\" sizes=\"(max-width: 920px) 100vw, 920px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-741f1a0b4af1ccc3f6a2ac0715ee91a8\"><span class=\"ez-toc-section\" id=\"4-identifying-threads-in-four-simple-steps\"><\/span>4.\u8b58\u5225\u7dda\u7a0b\u7684\u56db\u500b\u7c21\u55ae\u6b65\u9a5f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SJ Gauge \u6703\u5f15\u5c0e\u60a8\u5b8c\u6210\u300c\u8b58\u5225\u87ba\u7d0b\u898f\u683c\u7684\u56db\u500b\u6b65\u9a5f\u300d\uff0c\u60a8\u53ef\u4ee5\u4f9d\u7167\u9019\u4e9b\u6b65\u9a5f\u9078\u64c7\u6700\u9069\u5408\u7684\u87ba\u7d0b\u5c3a\u5bf8\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"a-determine-if-the-thread-is-straight-parallel-or-tapered-conical\"><\/span>a. <strong>\u78ba\u5b9a\u87ba\u7d0b\u662f\u76f4\u7dda\uff08\u5e73\u884c\uff09\u9084\u662f\u9310\u5f62\uff08\u5713\u9310\uff09\uff1a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5982\u679c\u87ba\u7d0b\u76f4\u5f91\u9010\u6f38\u589e\u5927\u6216\u7e2e\u6e1b\uff0c\u5247\u70ba\u9310\u87ba\u7d0b\uff1b\u5982\u679c\u76f4\u5f91\u4fdd\u6301\u4e0d\u8b8a\uff0c\u5247\u70ba\u76f4\u87ba\u7d0b\u3002<br>\u5982\u679c\u8089\u773c\u96e3\u4ee5\u5206\u8fa8\uff0c\u53ef\u4ee5\u4f7f\u7528\u6e38\u6a19\u5361\u5c3a\u5354\u52a9\u3002<br>\u53ea\u9700\u5c07\u6e38\u6a19\u5361\u5c3a\u593e\u5728\u87ba\u7d0b\u5169\u7aef\u4e26\u89c0\u5bdf\u5373\u53ef\u3002<br>\u5982\u679c\u5169\u5074\u5f62\u6210\u5fae\u5c0f\u7684\u4e09\u89d2\u5f62\uff0c\u5c31\u662f\u9310\u5f62\uff1b\u5982\u679c\u5169\u5074\u4fdd\u6301\u5b8c\u5168\u5e73\u884c\uff0c\u5c31\u662f\u76f4\u5f62<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-1024x724.jpg\" alt=\"\" class=\"wp-image-2429\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-1024x724.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-1536x1086.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en-600x424.jpg 600w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_determine_thread_15_en.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"b-determine-the-type-of-thread-and-pitch\"><\/span>b.\u78ba\u5b9a\u87ba\u7d0b\u985e\u578b\u548c\u9593\u8ddd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u900f\u904e\u4f7f\u7528\u6700\u5e38\u898b\u7684\u7f8e\u898f\u3001\u82f1\u898f\u548c\u516c\u898f\u87ba\u7d0b\u898f\u683c\uff0c\u6700\u9069\u5408\u87ba\u7d0b\u7684\u5c31\u662f\u9069\u7576\u7684\u87ba\u7d0b\u898f\u683c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"595\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en.jpg\" alt=\"\" class=\"wp-image-2430\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en.jpg 842w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/SJ_thread_15_en-600x424.jpg 600w\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<p>\u8868\u793a\u87ba\u7d0b\u87ba\u8ddd\u7684\u65b9\u6cd5\u6709\u5169\u7a2e\uff0c\u4e3b\u8981\u5206\u70ba\u516c\u5236\u548c\u5176\u4ed6\u5236\u5ea6\uff08\u7f8e\u570b\u6a19\u6e96\u548c\u82f1\u570b\u6a19\u6e96\uff09\u3002<br>\u5728\u516c\u5236\u7cfb\u7d71\u4e2d (\u5de6\u5716)\uff0c\u91cf\u5ea6\u7684\u662f\u5169\u500b\u76f8\u9130\u87ba\u7d0b\u5d74\u4e4b\u9593\u7684\u8ddd\u96e2 (\u4f8b\u5982\uff0c\u5169\u500b\u87ba\u7d0b\u5d74\u4e4b\u9593\u7684\u8ddd\u96e2\u70ba 1.5 mm)\uff0c\u800c\u5728\u7f8e\u6a19\u548c\u82f1\u6a19\u7cfb\u7d71\u4e2d (\u53f3\u5716)\uff0c\u91cf\u5ea6\u7684\u662f\u6bcf\u82f1\u540b\u7684\u87ba\u7d0b\u6578 (\u4f8b\u5982\uff0c\u6bcf\u82f1\u540b 14 \u500b\u87ba\u7d0b\u5d74)\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"842\" height=\"595\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2.jpg\" alt=\"\" class=\"wp-image-2431\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2.jpg 842w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/luoya2-600x424.jpg 600w\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"c-determine-the-size-of-the-connector\"><\/span>c.\u78ba\u5b9a\u9023\u63a5\u5668\u7684\u5c3a\u5bf8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5c07\u6e38\u6a19\u5361\u5c3a\u593e\u5728\u87ba\u7d0b\u5169\u7aef\uff0c\u5c31\u53ef\u4ee5\u5f97\u5230\u63a5\u982d\u5916\u5f91\u7684\u8fd1\u4f3c\u6e2c\u91cf\u7d50\u679c\u3002<br>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u5c07\u6b64\u6e2c\u91cf\u7d50\u679c\u8207\u5404\u8868\u4e2d\u6700\u63a5\u8fd1\u7684\u6578\u503c\u9032\u884c\u6bd4\u8f03\uff0c\u4ee5\u78ba\u5b9a\u5c3a\u5bf8\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"445\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8.png\" alt=\"\" class=\"wp-image-2432\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8.png 964w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8-300x138.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8-768x355.png 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/4-3_\u5c3a\u5bf8-600x277.png 600w\" sizes=\"(max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"d-refer-to-various-thread-standard-tables-straight-taper-size-pitch-size\"><\/span>d.\u53c3\u8003\u5404\u7a2e\u87ba\u7d0b\u6a19\u6e96\u8868\uff08\u76f4\u87ba\u7d0b\u3001\u9310\u5ea6\u87ba\u7d0b\u3001\u5c3a\u5bf8\u87ba\u7d0b\u3001\u7bc0\u8ddd\u87ba\u7d0b\u3001\u5c3a\u5bf8\u87ba\u7d0b\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u53c3\u8003\u4ee5\u4e0b\u6211\u5011\u7de8\u8f2f\u7684\u8cc7\u8a0a\u548c\u8868\u683c\uff0c\u5176\u4e2d\u6bd4\u8f03\u4e86\u6700\u5e38\u898b\u7684\u87ba\u7d0b\u5f62\u5f0f\uff0c\u5305\u62ec\u7f8e\u6a19\u3001\u82f1\u6a19\u548c\u516c\u5236\u3002<\/p>\n\n\n\n<p><strong>\u7f8e\u570b\u6a19\u6e96\u76f4\u7dda\u87ba\u7d0b (SAE=UN=UNF)<\/strong><\/p>\n\n\n\n<p>\u5728\u7f8e\u570b\uff0c\u6700\u5e38\u898b\u7684\u76f4\u7259\u87ba\u7d0b\u5f62\u5f0f\u662f UN\/UNF\uff08Unified National Fine\uff09\u87ba\u7d0b\uff0c\u4e5f\u7a31\u70ba SAE\uff08Society of Automotive Engineers\uff09\u76f4\u7259\u87ba\u7d0b\u3002\u4e0b\u8868\u5217\u51fa\u4e86 SAE \u76f4\u87ba\u7d0b\u7684\u4e00\u4e9b\u5e38\u898b\u5c3a\u5bf8\u3002<br>\u7f8e\u6a19\u76f4\u7dda\u87ba\u7d0b\u7684\u547d\u540d\u6163\u4f8b\u5982\u4e0b\uff1a <strong>\u5c3a\u5bf8 - \u6bcf\u82f1\u540b\u7684\u87ba\u7d0b\u6578\u3001\u985e\u578b\uff0c\u4f8b\u5982 3\/4-16\u3001UN\/UNF<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\">\u7f8e\u6a19\u76f4\u7dda\u87ba\u7d0b<br>SAE=UN=UNF<\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td rowspan=\"2\">\u7dda\u7a0b<br>\u6bcf<br>\u5bf8<br>(TPI)<\/td><td colspan=\"3\">\u87ba\u7d0b\u76f4\u5f91<br>(\u6beb\u7c73)<\/td><td rowspan=\"2\">\u87ba\u7d0b<br>\u89d2\u5ea6<\/td><\/tr><tr><td>(\u82f1\u540b)<\/td><td>\u4e3b\u8981<br>\u76f4\u5f91<\/td><td>\u7c21\u55ae<br>\u97f3\u9ad8<br>\u76f4\u5f91<\/td><td>\u8f15\u5fae<br>\u76f4\u5f91<\/td><\/tr><tr><td>5\/16<\/td><td>24<\/td><td>7.938<\/td><td>7.249<\/td><td>6.792<\/td><td rowspan=\"7\">60\u00b0<\/td><\/tr><tr><td>7\/16<\/td><td>20<\/td><td>11.113<\/td><td>10.287<\/td><td>9.738<\/td><\/tr><tr><td>1\/2<\/td><td>20<\/td><td>12.7<\/td><td>11.875<\/td><td>11.325<\/td><\/tr><tr><td>9\/16<\/td><td>18<\/td><td>14.288<\/td><td>13.325<\/td><td>12.559<\/td><\/tr><tr><td>3\/4<\/td><td>16<\/td><td>19.05<\/td><td>18.019<\/td><td>17.331<\/td><\/tr><tr><td>1-1\/16<\/td><td>12<\/td><td>26.988<\/td><td>25.613<\/td><td>24.695<\/td><\/tr><tr><td>1-5\/16<\/td><td>12<\/td><td>33.338<\/td><td>31.963<\/td><td>31.046<\/td><\/tr><tr><td colspan=\"6\">\u5c3a\u5bf8-TPI\uff0c\u985e\u578b<br>\u4f8b\u5982\uff1a3\/4-16\u3001UN<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u7f8e\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b (NPT \/ NPTF)\uff1a<\/strong><\/p>\n\n\n\n<p><strong>NPT (National Pipe Taper) \u7f8e\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b\uff0c\u6b63\u5f0f\u540d\u7a31\u70ba\u7f8e\u570b\u570b\u5bb6\u6a19\u6e96\u9310\u5f62\u7ba1\u87ba\u7d0b<\/strong>, \u5728\u7f8e\u570b\u5ee3\u6cdb\u7528\u65bc\u7ba1\u9053\u9023\u63a5\u3002<\/p>\n\n\n\n<p><strong>NPTF \u7f8e\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b - Dryseal\uff0c\u4e5f\u7a31\u70ba\u7f8e\u570b\u6a19\u6e96\u7ba1\u87ba\u7eb9\u9310\u5f62 - Dryseal)<\/strong>, \u96d6\u7136\u7f8e\u570b\u6d41\u9ad4\u52d5\u529b\u5354\u6703 (N.F.P.A.) \u4e26\u4e0d\u5efa\u8b70\u4f7f\u7528\u6b64\u985e\u7522\u54c1\uff0c\u4f46\u5b83\u5011\u4ecd\u88ab\u5ee3\u6cdb\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>NPT \u87ba\u7d0b\u8207 NPTF \u87ba\u7d0b\u7684\u4e3b\u8981\u5dee\u7570\u5728\u65bc NPT \u6c92\u6709\u5c16\u92b3\u7684\u5cf0\u9802\uff0c\u56e0\u6b64\u5728\u7d44\u88dd\u5f8c\u6703\u6709\u4e00\u500b\u5c0f\u6f0f\u9ede\uff0c\u9700\u8981\u4f7f\u7528\u5bc6\u5c01\u5291\u4f86\u9032\u884c\u9069\u7576\u7684\u5bc6\u5c01\u3002<\/p>\n\n\n\n<p>\u7f8e\u6a19\u9310\u5f62\u87ba\u7d0b\u7684\u547d\u540d\u6163\u4f8b\u5982\u4e0b\uff1a <strong>\u5c3a\u5bf8 - \u6bcf\u82f1\u540b\u7684\u87ba\u7d0b\u6578\uff0c\u985e\u578b\uff0c\u4f8b\u5982 1\/4-18, NPT\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center is-scroll-on-mobile\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\"><strong>\u7f8e\u6a19\u9310\u5f62\u87ba\u7d0b<\/strong><br><strong>NPT \/ NPTF<\/strong><\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td rowspan=\"2\">\u7dda\u7a0b<br>\u6bcf<br>\u5bf8<br>(TPI)<\/td><td colspan=\"3\">\u87ba\u7d0b\u76f4\u5f91<br>(\u6beb\u7c73)<\/td><td rowspan=\"2\">\u87ba\u7d0b<br>\u89d2\u5ea6<\/td><\/tr><tr><td>(\u82f1\u540b)<\/td><td>\u4e3b\u8981<br>\u76f4\u5f91<\/td><td>\u7c21\u55ae<br>\u97f3\u9ad8<br>\u76f4\u5f91<\/td><td>\u8f15\u5fae<br>\u76f4\u5f91<\/td><\/tr><tr><td>1\/16<\/td><td>27<\/td><td>7.894<\/td><td>7.142<\/td><td>6.398<\/td><td rowspan=\"10\">60\u00b0<\/td><\/tr><tr><td>1\/8<\/td><td>27<\/td><td>10.242<\/td><td>9.489<\/td><td>8.737<\/td><\/tr><tr><td>1\/4<\/td><td>18<\/td><td>13.616<\/td><td>12.487<\/td><td>11.358<\/td><\/tr><tr><td>3\/8<\/td><td>18<\/td><td>17.055<\/td><td>15.926<\/td><td>14.797<\/td><\/tr><tr><td>1\/2<\/td><td>14<\/td><td>21.224<\/td><td>19.772<\/td><td>18.321<\/td><\/tr><tr><td>3\/4<\/td><td>14<\/td><td>26.569<\/td><td>25.117<\/td><td>23.666<\/td><\/tr><tr><td>1<\/td><td>11.5<\/td><td>33.228<\/td><td>31.461<\/td><td>29.694<\/td><\/tr><tr><td>1-1\/4<\/td><td>11.5<\/td><td>41.985<\/td><td>40.218<\/td><td>38.454<\/td><\/tr><tr><td>1-1\/2<\/td><td>11<\/td><td>48.054<\/td><td>46.287<\/td><td>44.52<\/td><\/tr><tr><td>2<\/td><td>11<\/td><td>60.092<\/td><td>58.325<\/td><td>56.558<\/td><\/tr><tr><td colspan=\"6\">\u5c3a\u5bf8-TPI\uff0c\u985e\u578b<br>\u4f8b\u5982\uff1a1\/4-18\u3001NPT<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b (BSPP=BSP=PF=G)\uff1a<\/strong><\/p>\n\n\n\n<p>\u9019\u4e9b\u87ba\u7d0b\u7b26\u5408\u82f1\u570b\u6a19\u6e96\u5354\u6703 (British Standards Institution, BSI) \u8a2d\u5b9a\u7684\u6a19\u6e96\u3002\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b\u901a\u5e38\u4f7f\u7528\u56db\u500b\u8a5e\u5f59\u4e4b\u4e00\uff1aG Thread\uff08G\u87ba\u7d0b\uff09\u3001BSPP\uff08\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b\uff09\u3001BSPM \u6216 BSP\u3002<\/p>\n\n\n\n<p>BSPF\uff08\u82f1\u570b\u6a19\u6e96\u7ba1\u4ef6\uff09\u662f\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b\u7684\u820a\u7a31\u3002\u5b83\u7684\u5f15\u5165\u662f\u70ba\u4e86\u89e3\u6c7a BSPP\uff08\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b\uff09\u548c BSPT\uff08\u82f1\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b\uff09\u5728\u767c\u97f3\u4e0a\u7684\u6df7\u6dc6\u3002<\/p>\n\n\n\n<p>\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b\u7684\u547d\u540d\u6163\u4f8b\u5982\u4e0b\uff1a <strong>G \u5c3a\u5bf8 - \u6bcf\u82f1\u540b\u7684\u87ba\u7d0b\u6578\uff0c\u4f8b\u5982 G 1\/8-28<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\">\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b<br>BSPP=BSP=PF=G<\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td rowspan=\"2\">\u7dda\u7a0b<br>\u6bcf<br>\u5bf8<br>(TPI)<\/td><td colspan=\"3\">\u87ba\u7d0b\u76f4\u5f91<br>(\u6beb\u7c73)<\/td><td rowspan=\"2\">\u87ba\u7d0b<br>\u89d2\u5ea6<\/td><\/tr><tr><td>(\u82f1\u540b)<\/td><td>\u4e3b\u8981<br>\u76f4\u5f91<\/td><td>\u7c21\u55ae<br>\u97f3\u9ad8<br>\u76f4\u5f91<\/td><td>\u8f15\u5fae<br>\u76f4\u5f91<\/td><\/tr><tr><td>1\/16<\/td><td>28<\/td><td>7.732<\/td><td>7.142<\/td><td>6.561<\/td><td rowspan=\"14\">55\u00b0<\/td><\/tr><tr><td>1\/8<\/td><td>28<\/td><td>9.782<\/td><td>9.147<\/td><td>8.566<\/td><\/tr><tr><td>1\/4<\/td><td>19<\/td><td>13.157<\/td><td>12.301<\/td><td>11.455<\/td><\/tr><tr><td>3\/8<\/td><td>19<\/td><td>16.662<\/td><td>15.806<\/td><td>14.95<\/td><\/tr><tr><td>1\/2<\/td><td>14<\/td><td>20.955<\/td><td>19.793<\/td><td>18.631<\/td><\/tr><tr><td>5\/8<\/td><td>14<\/td><td>22.911<\/td><td>21.749<\/td><td>20.587<\/td><\/tr><tr><td>3\/4<\/td><td>14<\/td><td>26.441<\/td><td>25.279<\/td><td>24.117<\/td><\/tr><tr><td>7\/8<\/td><td>14<\/td><td>30.201<\/td><td>29.039<\/td><td>27.877<\/td><\/tr><tr><td>1<\/td><td>11<\/td><td>33.249<\/td><td>31.77<\/td><td>30.291<\/td><\/tr><tr><td>1-1\/8<\/td><td>11<\/td><td>37.897<\/td><td>36.418<\/td><td>34.939<\/td><\/tr><tr><td>1-1\/4<\/td><td>11<\/td><td>41.91<\/td><td>40.431<\/td><td>38.952<\/td><\/tr><tr><td>1-1\/2<\/td><td>11<\/td><td>47.803<\/td><td>46.324<\/td><td>44.845<\/td><\/tr><tr><td>1-3\/4<\/td><td>11<\/td><td>53.746<\/td><td>52.267<\/td><td>50.788<\/td><\/tr><tr><td>2<\/td><td>11<\/td><td>59.614<\/td><td>58.135<\/td><td>56.656<\/td><\/tr><tr><td colspan=\"6\">G \u5c3a\u5bf8-TPI<br>\u4f8b\u5982\uff1aG 1\/8-28<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>\u82f1\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b (BSPT=PT=R=RC=ZG)\uff1a<\/strong><\/p>\n\n\n\n<p><strong>\u82f1\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b\u901a\u5e38\u7a31\u70ba BSPT\uff08\u82f1\u570b\u6a19\u6e96\u7ba1\u9310\uff09\u3002<\/strong>, \u96d6\u7136\u300cR Thread\u300d\u4e00\u8a5e\u5df2\u7d93\u53d6\u4ee3\u5b83\u3002\u4e0d\u904e\uff0cBSPT \u4ecd\u7136\u662f\u88ab\u5ee3\u6cdb\u63a5\u53d7\u7684\u8853\u8a9e\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p>\u82f1\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b\u7684\u547d\u540d\u6163\u4f8b\u5982\u4e0b\uff1a <strong>R \u5c3a\u5bf8 - \u6bcf\u82f1\u540b\u7684\u87ba\u7d0b\u6578\uff0c\u4f8b\u5982 R 1\/2-14<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\"> \u82f1\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b<br>bspt=pt=r=rc=zg<\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td rowspan=\"2\">\u7dda\u7a0b<br>\u6bcf<br>\u5bf8<br>(TPI)<\/td><td colspan=\"3\">\u87ba\u7d0b\u76f4\u5f91<br>(\u6beb\u7c73)<\/td><td rowspan=\"2\">\u87ba\u7d0b<br>\u89d2\u5ea6<\/td><\/tr><tr><td>(\u82f1\u540b)<\/td><td>\u4e3b\u8981<br>\u76f4\u5f91<\/td><td>\u7c21\u55ae<br>\u97f3\u9ad8<br>\u76f4\u5f91<\/td><td>\u8f15\u5fae<br>\u76f4\u5f91<\/td><\/tr><tr><td>1\/16<\/td><td>28<\/td><td>7.723<\/td><td>7.142<\/td><td>6.561<\/td><td rowspan=\"10\">55\u00b0<\/td><\/tr><tr><td>1\/8<\/td><td>28<\/td><td>9.728<\/td><td>9.147<\/td><td>8.566<\/td><\/tr><tr><td>1\/4<\/td><td>19<\/td><td>13.157<\/td><td>12.3<\/td><td>11.445<\/td><\/tr><tr><td>3\/8<\/td><td>19<\/td><td>16.662<\/td><td>15.81<\/td><td>14.95<\/td><\/tr><tr><td>1\/2<\/td><td>14<\/td><td>20.995<\/td><td>19.79<\/td><td>18.631<\/td><\/tr><tr><td>3\/4<\/td><td>14<\/td><td>26.441<\/td><td>25.28<\/td><td>24.117<\/td><\/tr><tr><td>1<\/td><td>11<\/td><td>33.249<\/td><td>31.77<\/td><td>30.291<\/td><\/tr><tr><td>1-1\/4<\/td><td>11<\/td><td>41.91<\/td><td>40.43<\/td><td>38.952<\/td><\/tr><tr><td>1-1\/2<\/td><td>11<\/td><td>47.803<\/td><td>46.32<\/td><td>44.845<\/td><\/tr><tr><td>2<\/td><td>11<\/td><td>59.641<\/td><td>58.14<\/td><td>56.656<\/td><\/tr><tr><td colspan=\"6\">R \u5c3a\u5bf8-TPI<br>\u4f8b\u5982\uff1aR 1\/2-14<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>ISO \u516c\u5236\u87ba\u7d0b (M)\uff1a<\/strong><\/p>\n\n\n\n<p>ISO \u516c\u5236\u87ba\u7d0b\u662f\u6700\u65e9\u7372\u5f97\u570b\u969b\u8a8d\u53ef\u7684\u901a\u7528\u87ba\u7d0b\u985e\u578b\u4e4b\u4e00\u3002ISO 68-1 \u5b9a\u7fa9\u4e86\u516c\u5236\u87ba\u7d0b\u7684\u8a2d\u8a08\u539f\u5247\u3002ISO \u516c\u5236\u87ba\u7d0b\u7531\u5c0d\u7a31\u7684 V \u578b\u87ba\u7d0b\u7d44\u6210\u3002V \u578b\u87ba\u7d0b\u8f2a\u5ed3\u7684\u87ba\u7d0b\u89d2\u70ba 60\u00b0\uff0c\u5916\u87ba\u7d0b\u548c\u5167\u87ba\u7d0b\u90fd\u662f\u5e73\u884c\u7684\u3002<\/p>\n\n\n\n<p>ISO \u516c\u5236\u87ba\u7d0b\u4ee5\u5b57\u6bcd\u201c \"\u8868\u793a\u3002\u201c<strong>M\u300d\uff08\u516c\u5236\uff09 <\/strong>\u6709\u5169\u7a2e\u4e0d\u540c\u7684\u87ba\u8ddd\u5927\u5c0f\uff1a\u7c97\u87ba\u7d0b\u548c\u7d30\u87ba\u7d0b\u3002\u7c97\u7259\u87ba\u7d0b\u662f\u6700\u5e38\u7528\u7684\uff0c\u5177\u6709\u9810\u8a2d\u7684\u87ba\u8ddd\u5c3a\u5bf8\uff1b\u800c\u7d30\u7259\u87ba\u7d0b\u7684\u87ba\u8ddd\u5c3a\u5bf8\u8f03\u5c0f\u3002\u60a8\u53ef\u4ee5\u5f9e\u6a19\u7c64\u683c\u5f0f\u5224\u65b7\u87ba\u7d0b\u5c3a\u5bf8\uff0c\u4f8b\u5982\u300cM4 * 0.5\u300d- \u8868\u793a\u87ba\u7d0b\u76f4\u5f91\u70ba 4 mm\uff0c\u87ba\u8ddd\u70ba 0.5 mm\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u87ba\u7d0b\u7bc0\u8ddd\u8207 ISO 261 \u6216 ISO 262 \u4e2d\u5217\u51fa\u7684\u5e38\u7528\u7c97\u7bc0\u8ddd\u4e00\u81f4\uff0c\u5247\u53ef\u4ee5\u7701\u7565\uff08\u4f8b\u5982 M8\uff09\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u7d66\u51fa \u201cM20\u201d\uff0c\u5c31\u662f\u7c97\u7259\u87ba\u7d0b\u3002<\/p>\n\n\n\n<p>\u516c\u5236\u76f4\u87ba\u7d0b\u7684\u547d\u540d\u6163\u4f8b\u5982\u4e0b\uff1a<strong> M \u5c3a\u5bf8 - \u9593\u8ddd\uff0c\u4f8b\u5982 M 14 * 1.5\u3002<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td colspan=\"6\"><strong>ISO \u516c\u5236\u87ba\u7d0b<\/strong><br><strong>M<\/strong><\/td><\/tr><tr><td>\u5c3a\u5bf8<\/td><td rowspan=\"2\">\u9593\u8ddd<\/td><td colspan=\"3\">\u87ba\u7d0b\u76f4\u5f91<br>(\u6beb\u7c73)<\/td><td rowspan=\"2\">\u87ba\u7d0b<br>\u89d2\u5ea6<\/td><\/tr><tr><td>(\u82f1\u540b)<\/td><td>\u4e3b\u8981<br>\u76f4\u5f91<\/td><td>\u7c21\u55ae<br>\u97f3\u9ad8<br>\u76f4\u5f91<\/td><td>\u8f15\u5fae<br>\u76f4\u5f91<\/td><\/tr><tr><td>M6<\/td><td rowspan=\"3\">1<\/td><td>6<\/td><td>5.35<\/td><td>4.917<\/td><td rowspan=\"14\">60\u00b0<\/td><\/tr><tr><td>M8<\/td><td>8<\/td><td>7.35<\/td><td>6.917<\/td><\/tr><tr><td>M10<\/td><td>10<\/td><td>9.35<\/td><td>8.917<\/td><\/tr><tr><td>M12<\/td><td rowspan=\"7\">1.5<\/td><td>12<\/td><td>11.03<\/td><td>10.376<\/td><\/tr><tr><td>M14<\/td><td>14<\/td><td>13.03<\/td><td>12.376<\/td><\/tr><tr><td>M16<\/td><td>16<\/td><td>15.03<\/td><td>14.376<\/td><\/tr><tr><td>M18<\/td><td>18<\/td><td>17.03<\/td><td>16.376<\/td><\/tr><tr><td>M20<\/td><td>20<\/td><td>19.03<\/td><td>18.376<\/td><\/tr><tr><td>M22<\/td><td>22<\/td><td>21.03<\/td><td>20.376<\/td><\/tr><tr><td>M24<\/td><td>24<\/td><td>23.03<\/td><td>22.376<\/td><\/tr><tr><td>M27<\/td><td rowspan=\"4\">2<\/td><td>27<\/td><td>25.7<\/td><td>24.835<\/td><\/tr><tr><td>M30<\/td><td>30<\/td><td>28.7<\/td><td>27.835<\/td><\/tr><tr><td>M33<\/td><td>33<\/td><td>31.7<\/td><td>30.835<\/td><\/tr><tr><td>M36<\/td><td>36<\/td><td>34.7<\/td><td>33.835<\/td><\/tr><tr><td colspan=\"6\">M \u5c3a\u5bf8 x \u9593\u8ddd<br>\u4f8b\u5982\uff1aM 14 x 1.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-e31985a848a834b7a295a1f8565dd6c4\"><span class=\"ez-toc-section\" id=\"5-four-steps-to-identify-thread-specifications\"><\/span>5.\u8b58\u5225\u87ba\u7d0b\u898f\u683c\u7684\u56db\u500b\u6b65\u9a5f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-flexible-table-block-table is-content-justification-center\"><table class=\"has-fixed-layout\" style=\"min-width:125%\"><tbody><tr><td rowspan=\"2\">\u87ba\u7d0b\u6a19\u6e96<\/td><td>\u6b65\u9a5f 1<\/td><td>\u6b65\u9a5f\u4e8c<\/td><td>\u6b65\u9a5f\u4e09<\/td><td>\u6b65\u9a5f 4<\/td><\/tr><tr><td>\u78ba\u5b9a\u7dda\u7684\u985e\u578b<\/td><td>\u78ba\u5b9a\u7dda\u8ddd<\/td><td>\u78ba\u5b9a\u87ba\u7d0b\u5c3a\u5bf8<\/td><td>\u78ba\u5b9a\u87ba\u7d0b\u6a19\u6e96<\/td><\/tr><tr><td>\u7f8e\u570b\u6a19\u6e96\u76f4\u7dda\u87ba\u7d0b (SAE=UN=UNF)<\/td><td>\u76f4\u7dda<\/td><td>12\u300114\u300116<br>18\u300120\u300124<\/td><td rowspan=\"5\">\u4f7f\u7528\u6e2c\u91cf\uff1a<br>\u6e38\u6a19\u5361\u5c3a<br>\u5ea6\u76e4\u5361\u5c3a<br>\u6578\u4f4d\u5361\u5c3a<\/td><td>\u5c3a\u5bf8-TPI\uff0c\u985e\u578b<br>\u4f8b\u5982\uff1a3\/4-16\u3001UN<\/td><\/tr><tr><td>\u7f8e\u6a19\u9310\u5f62\u87ba\u7d0b<br>(NPT \/ NPTF)<\/td><td>\u9310\u5f62<\/td><td>11-1\/2\u300114<br>18\u300127<\/td><td>\u5c3a\u5bf8-TPI\uff0c\u985e\u578b<br>\u4f8b\u5982\uff1a1\/4-18\u3001NPT<\/td><\/tr><tr><td>\u82f1\u570b\u6a19\u6e96\u5e73\u884c\u87ba\u7d0b (BSPP=BSP=PF=G)<\/td><td>\u76f4\u7dda<\/td><td>11\u300114<br>19\u300128<\/td><td>G \u5c3a\u5bf8-TPI<br>\u4f8b\u5982\uff1aG 1\/8-28<\/td><\/tr><tr><td>\u82f1\u570b\u6a19\u6e96\u9310\u5f62\u87ba\u7d0b (BSPT=PT=R=RC=ZG)<\/td><td>\u9310\u5f62<\/td><td>11\u300114<br>19\u300128<\/td><td>R \u5c3a\u5bf8-TPI<br>\u4f8b\u5982\uff1aR 1\/2-14<\/td><\/tr><tr><td>ISO \u516c\u5236\u87ba\u7d0b<br>M<\/td><td>\u76f4\u7dda<\/td><td>1.0\u30011.5\u30012.0<\/td><td>M \u5c3a\u5bf8 x \u9593\u8ddd<br>\u4f8b\u5982\uff1aM 14 x 1.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u73fe\u5728\u60a8\u5df2\u7d93\u77ad\u89e3\u4e86\u5982\u4f55\u9078\u64c7\u87ba\u7d0b\u985e\u578b\u548c\u5c3a\u5bf8\uff0c\u662f\u5426\u60f3\u77e5\u9053\u5982\u4f55\u5b89\u88dd\u5100\u5668\uff1f\u8acb\u9ede\u9078\u4ee5\u4e0b\u9023\u7d50\uff0c\u77ad\u89e3\u5b89\u88dd\u7a0b\u5e8f\u53ca\u76f8\u95dc\u6ce8\u610f\u4e8b\u9805\uff01<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u58d3\u529b\u8a2d\u5099\u6545\u969c\u7684\u516d\u5927\u5e38\u898b\u539f\u56e0<\/li>\n\n\n\n<li>\u5b89\u88dd\u58d3\u529b\u9336\u7684\u5b89\u5168\u8981\u9ede<\/li>\n<\/ul>\n\n\n\n<p><strong>\u4fe1\u7528\u548c\u53c3\u8003\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASME\uff1a\u7ba1\u87ba\u7eb9\uff0c\u901a\u7528\uff0c\u82f1\u5236<\/li>\n\n\n\n<li>ISO 68-1:1998(en) ISO\u901a\u7528\u87ba\u7d0b-\u57fa\u672c\u5256\u9762-\u7b2c1\u90e8\u5206\uff1a\u516c\u5236\u87ba\u7d0b<\/li>\n\n\n\n<li>ISO\/DIS 6149-1(en)\u6db2\u58d3\u6d41\u9ad4\u52d5\u529b\u548c\u4e00\u822c\u7528\u9014\u7684\u9023\u63a5-\u5e36\u6709 ISO 261 \u516c\u5236\u87ba\u7d0b\u548c O \u578b\u5708\u5bc6\u5c01\u7684\u9023\u63a5\u57e0\u548c\u87ba\u67f1\u7aef\u982d-\u7b2c 1 \u90e8\u5206\uff1a\u7528\u65bc O \u578b\u5708\u5bc6\u5c01\u7684\u5e36\u622a\u5f62\u5916\u6bbc\u7684\u9023\u63a5\u57e0<\/li>\n\n\n\n<li>ISO 262:1998 ISO \u901a\u7528\u516c\u5236\u87ba\u7d0b - \u87ba\u7d72\u3001\u87ba\u6813\u548c\u87ba\u6bcd\u7684\u9078\u7528\u5c3a\u5bf8<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Are you feeling overwhelmed by terms like &#8220;thread,&#8221; &#8220;process connection,&#8221; &#8220;connector,&#8221; and &#8220;fitting&#8221;?Not to mention the various regional common standards and specifications to contend with. 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