{"id":4462,"date":"2026-03-25T03:26:15","date_gmt":"2026-03-25T03:26:15","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4462"},"modified":"2026-03-25T03:26:15","modified_gmt":"2026-03-25T03:26:15","slug":"%e6%b6%b2%e5%8e%8b%e8%9e%ba%e7%ba%b9%e8%8b%b1%e5%88%b6%e9%94%a5%e8%9e%ba%e7%ba%b9%e4%b8%8e%e7%be%8e%e5%88%b6%e9%94%a5%e8%9e%ba%e7%ba%b9%e7%9a%84%e8%af%86%e5%88%ab","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/zh\/hydraulic-threads-bsp-vs-npt-vs-metric-identification\/","title":{"rendered":"\u6db2\u538b\u87ba\u7eb9\uff1a\u82f1\u5236\u87ba\u7eb9\u4e0e\u7f8e\u5236\u87ba\u7eb9\u7684\u8bc6\u522b"},"content":{"rendered":"<article>\n<h2><span style=\"font-size: 1.7em;\">\u5b9a\u4e49<\/span><\/h2>\n<section id=\"definition-en\">\u87ba\u7eb9\u662f\u7528\u4e8e\u7ec4\u88c5\u548c\u5bc6\u5c01\u90e8\u4ef6\u7684\u87ba\u65cb\u69fd\u3002\u5728\u6db2\u538b\u7cfb\u7edf\u4e2d\uff0c\u87ba\u7eb9\u51fa\u73b0\u5728\u63a5\u5934\u548c\u6cb9\u53e3\u4e0a\uff1b\u5b83\u4eec\u63d0\u4f9b\u673a\u68b0\u7d27\u56fa\uff0c\u5e76\u901a\u8fc7\u6b63\u786e\u7684\u8f6e\u5ed3\u6216\u5bc6\u5c01\u5143\u4ef6\u5b9e\u73b0\u538b\u529b\u4e0b\u7684\u65e0\u6cc4\u6f0f\u8fde\u63a5\u3002.<\/section>\n<h2>\u5982\u4f55\u8bc6\u522b<\/h2>\n<ol>\n<li>\u6d4b\u91cf\u76f4\u5f84\uff1a\u4f7f\u7528\u5361\u5c3a\u6d4b\u91cf\u5927\/\u5c0f\u76f4\u5f84\uff08\u5916\u5f84\/\u5185\u5f84\uff09\uff0c\u5355\u4f4d\u4fdd\u6301\u4e00\u81f4\uff08\u6beb\u7c73\u6216\u82f1\u5bf8\uff09\u3002.<\/li>\n<li>\u786e\u5b9a\u87ba\u8ddd\uff1a\u4f7f\u7528\u87ba\u8ddd\u89c4\uff1b\u533a\u5206 TPI\uff08\u82f1\u5236\uff09\u548c mm\uff08\u516c\u5236\uff09\u3002.<\/li>\n<li>\u68c0\u67e5\u65b9\u5411\uff1a\u53f3\u65cb\u4e0e\u5de6\u65cb\uff1b\u8003\u8651\u53cd\u5411\u8d1f\u8f7d\u5e94\u7528\u3002.<\/li>\n<li>\u8bc6\u522b\u9525\u5f62\u4e0e\u5e73\u884c\uff1a\u6d4b\u91cf\u51e0\u4e2a\u6ce2\u5cf0\u7684\u5916\u5f84\uff1b\u5916\u5f84\u53d8\u5316\u8868\u793a\u9525\u5f62\uff1b\u5916\u5f84\u4e0d\u53d8\u8868\u793a\u5e73\u884c\u3002.<\/li>\n<li>\u6807\u51c6\u548c\u5bc6\u5c01\u5730\u56fe\uff1a <a href=\"https:\/\/cdn.standards.iteh.ai\/samples\/33777\/842b7c5409454ceba69c7dad9c308be1\/ISO-228-1-2000.pdf\">\u6807\u51c6\u9879\u76ee\u8868\uff08ISO 228-1\uff09<\/a> \u5e73\u884c\u7aef\u53e3\u4f7f\u7528\u57ab\u5708\/\u7c98\u63a5\u5bc6\u5c01\uff1bBSPT (ISO 7-1)\/NPT (ASME B1.20.1) \u9525\u5f62\u7aef\u53e3\u9700\u8981\u5bc6\u5c01\u5242\uff1b\u516c\u5236 (ISO 261\/724\/965) \u548c SAE O \u5f62\u5708\u7aef\u53e3 (ISO 11926\/SAE J1926) \u4f7f\u7528 O \u5f62\u5708\u3002.<br \/>\n<img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-300x202.jpg\" class=\"alignnone wp-image-4465 lazyload\" alt=\"\u6d4b\u91cf\u87ba\u7eb9\u95f4\u8ddd _ TPI vs mm\" width=\"175\" height=\"118\"><noscript><img decoding=\"async\" class=\"alignnone wp-image-4465\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-300x202.jpg\" alt=\"\u6d4b\u91cf\u87ba\u7eb9\u95f4\u8ddd _ TPI vs mm\" width=\"175\" height=\"118\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/measure-thread-pitch-_-TPI-vs-mm.jpg 869w\" sizes=\"(max-width: 175px) 100vw, 175px\" \/><\/noscript> <img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-300x202.jpg\" class=\"alignnone wp-image-4467 lazyload\" alt=\"\u5de6\u65cb\u87ba\u7eb9\u7684\u4f7f\u7528\" width=\"195\" height=\"131\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4467\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-300x202.jpg\" alt=\"\u5de6\u65cb\u87ba\u7eb9\u7684\u4f7f\u7528\" width=\"195\" height=\"131\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/left\u2011hand-threads-usage.jpg 869w\" sizes=\"(max-width: 195px) 100vw, 195px\" \/><\/noscript> <img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-300x202.jpg\" class=\"alignnone wp-image-4466 lazyload\" alt=\"\u8bc6\u522b\u9525\u5f62\u87ba\u7eb9\u4e0e\u5e73\u884c\u87ba\u7eb9\" width=\"154\" height=\"104\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4466\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-300x202.jpg\" alt=\"\u8bc6\u522b\u9525\u5f62\u87ba\u7eb9\u4e0e\u5e73\u884c\u87ba\u7eb9\" width=\"154\" height=\"104\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/identify-taper-vs-parallel-threads.jpg 869w\" sizes=\"(max-width: 154px) 100vw, 154px\" \/><\/noscript><\/li>\n<\/ol>\n<section id=\"how-to-identify-cn\"><\/section>\n<section id=\"profiles\">\n<h2>\u4e3b\u9898\u7b80\u4ecb<\/h2>\n<ul>\n<li>V \u578b\uff1a\u5f3a\u5ea6\u9ad8\u3001\u7528\u9014\u5e7f\uff0c\u5e7f\u6cdb\u7528\u4e8e\u7d27\u56fa\u4ef6\u548c\u666e\u901a\u6db2\u538b\u914d\u4ef6\u3002.<\/li>\n<li>\u65b9\u5f62\uff1a\u4f4e\u6469\u64e6\u3001\u9ad8\u8d1f\u8f7d\u80fd\u529b\uff1b\u5e38\u89c1\u4e8e\u53d8\u901f\u5668\/\u5bfc\u87ba\u6746\u4e2d\u3002.<\/li>\n<li>Acme\uff1a\u66f4\u5bb9\u6613\u5236\u9020\uff1b\u5728\u627f\u8f7d\u80fd\u529b\u548c\u6469\u64e6\u529b\u4e4b\u95f4\u8fdb\u884c\u6743\u8861\u3002.<\/li>\n<li>\u5bf9\u63a5\u9002\u7528\u4e8e\u5355\u5411\u8f74\u5411\u529b\u8f83\u5927\u7684\u5e94\u7528\u3002.<\/li>\n<li>\u9525\u5f62\u87ba\u7eb9\uff1a\u5b9e\u73b0\u8010\u538b\u5bc6\u5c01 (<a href=\"https:\/\/www.ralstoninst.com\/news\/story\/the-difference-between-npt-bspp-and-bspt-seals\">BSPT\/NPT<\/a>) \u901a\u8fc7\u9525\u5ea6\u548c\u5bc6\u5c01\u80f6\u3002.<img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-300x202.jpg\" class=\"alignnone size-medium wp-image-4464 lazyload\" style=\"font-style: inherit; font-weight: inherit;\" alt=\"\u7ebf\u578b\" width=\"300\" height=\"202\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-4464\" style=\"font-style: inherit; font-weight: inherit;\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-300x202.jpg\" alt=\"\u7ebf\u578b\" width=\"300\" height=\"202\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-300x202.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-768x518.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/types-of-threads.jpg 869w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript><\/li>\n<\/ul>\n<\/section>\n<section id=\"codes-pairing-en\">\n<h2>\u4ee3\u7801\u4e0e\u914d\u5bf9<\/h2>\n<ul>\n<li>\u82f1\u5236\u9525\u87ba\u7eb9\uff0855\u00b0\uff09\uff1aBSPP\/G \u5e73\u884c\u975e\u5bc6\u5c01\u87ba\u7eb9\uff1bR \u7cfb\u5217\u5bc6\u5c01\u87ba\u7eb9<\/li>\n<li>Rp\uff1a\u5e73\u884c\u5185\u87ba\u7eb9\uff1bRc\uff1a\u9525\u5f62\u5185\u87ba\u7eb9\uff081:16\uff09\uff1bR1\uff1aRp \u7684\u9525\u5f62\u5916\u87ba\u7eb9\uff1bR2\uff1aRc \u7684\u9525\u5f62\u5916\u87ba\u7eb9<\/li>\n<li>\u914d\u5bf9\uff1aRp+R1 \u7528\u4e8e\u4e00\u822c\u5bc6\u5c01\uff1bRc+R2 \u7528\u4e8e\u8f83\u9ad8\u538b\u529b\uff1b\u4f7f\u7528\u5bc6\u5c01\u80f6\uff0c\u907f\u514d\u8fc7\u5ea6\u7ed1\u624e<\/li>\n<li>ANSI (60\u00b0)\uff1aNPT \u9525\u5f62\uff081:16\uff09\u5bc6\u5c01\uff1bNPTF \u5e72\u5bc6\u5c01\uff1bNPS \u76f4\uff08NPSM \u673a\u68b0\u3001NPSF \u71c3\u6cb9\u3001NPSH \u8f6f\u7ba1\uff09\u9700\u8981\u8f85\u52a9\u5bc6\u5c01\u4ef6<\/li>\n<li>\u516c\u5236\uff0860\u00b0\uff09\uff1aM \u5e73\u884c\u673a\u5668\u87ba\u7eb9\u9700\u8981\u57ab\u5708\/\u73af\uff1bMJ \u822a\u5929\u9525\u5f62\u53d8\u4f53<\/li>\n<li>JIS\/DIN \u5236\u56fe\uff1aJIS PT\u2248Rc\uff1bJIS PF\u2248G\uff1bDIN 2999\uff08R \u7cfb\u5217\uff09\uff1bDIN 3852\uff08\u516c\u5236\u54ac\u5408\u5f0f\u63a5\u5934<\/li>\n<li>\u7aef\u53e3\u548c\u8868\u9762\uff1aSAE J514 ORB\u3001JIC 37\u00b0\u3001SAE 45\u00b0\u3001ORFS \u5e73\u9762 O \u578b\u5708<\/li>\n<\/ul>\n<\/section>\n<section id=\"codes-pairing-cn\"><\/section>\n<section id=\"comparison-en\">\n<h2>BSPP vs BSPT vs NPT vs \u516c\u5236<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u70b9<\/th>\n<th>\u6807\u51c6\u9879\u76ee\u8868\uff08ISO 228-1\uff09<\/th>\n<th>\u82f1\u5236\u9525\u87ba\u7eb9\u63a5\u5934\uff08ISO 7-1\uff09<\/th>\n<th><a href=\"https:\/\/www.armechalloys.com\/pdf\/ansi-b1-20-1.pdf\">NPT (ASME B1.20.1)<\/a><\/th>\n<th>\u516c\u5236\uff08ISO 261\/724\/965\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7ebf\u7a0b\u5f62\u5f0f<\/td>\n<td>\u5e73\u884c (G)<\/td>\n<td>\u9525\u5f62 (R)<\/td>\n<td>\u9525\u5f62<\/td>\n<td>\u5e73\u884c<\/td>\n<\/tr>\n<tr>\n<td>\u5bc6\u5c01\u65b9\u6cd5<\/td>\n<td>\u57ab\u5708\/\u7c98\u7ed3\u5bc6\u5c01\/\u73af\u9762<\/td>\n<td>\u87ba\u7eb9\u5bc6\u5c01\u80f6<\/td>\n<td>\u87ba\u7eb9\u5bc6\u5c01\u80f6<\/td>\n<td>\u57ab\u5708\/\u5bc6\u5c01\u5708\u63a5\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u7528\u9014<\/td>\n<td>\u6db2\u538b\u7aef\u53e3\u548c\u914d\u4ef6<\/td>\n<td>\u7ba1\u9053\u8fde\u63a5<\/td>\n<td>\u7ba1\u9053\u8fde\u63a5<\/td>\n<td>\u63a5\u5934\u548c\u673a\u68b0\u87ba\u7eb9<\/td>\n<\/tr>\n<tr>\n<td>\u6df7\u5408\u6ce8\u610f\u4e8b\u9879<\/td>\n<td>\u4e0d\u8981\u4e0e NPT \u6df7\u5408<\/td>\n<td>\u4e0d\u8981\u4e0e NPT\/BSPP \u6df7\u5408<\/td>\n<td>\u4e0d\u8981\u4e0e BSP \u6df7\u5408<\/td>\n<td>\u5339\u914d\u95f4\u8ddd\u548c\u516c\u5dee<\/td>\n<\/tr>\n<tr>\n<td>\u8eab\u4efd\u9a8c\u8bc1<\/td>\n<td>\u5916\u5f84\u6cbf\u957f\u5ea6\u65b9\u5411\u4e0d\u53d8<\/td>\n<td>\u5916\u5f84\u53d8\u5316\uff08\u9525\u5ea6\uff09<\/td>\n<td>\u5916\u5f84\u53d8\u5316\uff08\u9525\u5ea6\uff09<\/td>\n<td>\u5916\u5f84\u5e38\u6570\uff1b\u516c\u5236\u87ba\u8ddd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"comparison-cn\"><\/section>\n<section id=\"pros-cons-en\">\n<h2>\u4f18\u70b9\u548c\u7f3a\u70b9<\/h2>\n<ul>\n<li>\u4f18\u70b9\uff1a\u6e05\u6670\u7684\u8bc6\u522b\u6b65\u9aa4\uff0c\u901a\u8fc7\u6b63\u786e\u7684\u5bc6\u5c01\u9009\u62e9\u51cf\u5c11\u6cc4\u6f0f\uff0c\u66f4\u5b89\u5168\u7684\u8de8\u6807\u51c6\u8f6c\u6362\u3002.<\/li>\n<li>\u7f3a\u70b9\uff1a\u6d4b\u91cf\u8bef\u5dee\u5bfc\u81f4\u4e0d\u5339\u914d\uff1b\u6df7\u5408\u6807\u51c6\u4f1a\u9020\u6210\u6cc4\u6f0f\u6216\u635f\u574f\u3002.<\/li>\n<\/ul>\n<\/section>\n<section id=\"pros-cons-cn\"><\/section>\n<section id=\"faq\">\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<details>\n<summary>\u5982\u4f55\u533a\u5206 BSP \u548c NPT\uff1f<\/summary>\n<p>BSP \u91c7\u7528 55\u00b0 \u5256\u9762\uff1bNPT \u91c7\u7528 60\u00b0 \u5256\u9762\u3002BSPP \u662f\u5e73\u884c\u7684\uff1bBSPT\/NPT \u662f\u9525\u5f62\u7684\u3002\u6cbf\u51e0\u4e2a\u6ce2\u5cf0\u6d4b\u91cf\u5916\u5f84\u5e76\u9a8c\u8bc1\u87ba\u8ddd\uff1b\u4e0d\u8981\u6df7\u7528\u3002.<\/p>\n<\/details>\n<details>\n<summary>\u5e73\u884c\u87ba\u7eb9\u65e0\u9700\u5bc6\u5c01\u5242\u5c31\u80fd\u5bc6\u5c01\u5417\uff1f<\/summary>\n<p>\u53ef\u4ee5\uff0c\u4f7f\u7528\u7c98\u63a5\u5bc6\u5c01\/\u57ab\u5708\u6216 O \u5f62\u5708\u9762\uff08\u4f8b\u5982 BSPP \u7aef\u53e3\uff09\u3002\u5bc6\u5c01\u53d1\u751f\u5728\u7aef\u9762\uff0c\u800c\u4e0d\u662f\u87ba\u7eb9\u4e2d\u3002.<\/p>\n<\/details>\n<details>\n<summary>\u516c\u5236\u95f4\u8ddd\u4e0e\u82f1\u5236\u95f4\u8ddd--\u5982\u4f55\u6d4b\u91cf\uff1f<\/summary>\n<p>\u4f7f\u7528\u87ba\u8ddd\u89c4\uff1b\u516c\u5236\u8bfb\u4f5c\u6bcf\u6beb\u7c73\u87ba\u7eb9\uff1b\u82f1\u5236\u8bfb\u4f5c TPI\u3002\u6362\u7b97\u8981\u4e00\u81f4\uff0c\u5e76\u7528\u5361\u5c3a\u548c\u8868\u683c\u8fdb\u884c\u9a8c\u8bc1\u3002.<\/p>\n<\/details>\n<details>\n<summary>\u4f55\u65f6\u4f7f\u7528\u5de6\u65cb\u87ba\u7eb9\uff1f<\/summary>\n<p>\u7528\u4e8e\u53f3\u65cb\u87ba\u7eb9\u5728\u65cb\u8f6c\u6216\u53cd\u5411\u52a0\u8f7d\u65f6\u53ef\u80fd\u677e\u52a8\u7684\u5730\u65b9\u3002.<\/p>\n<\/details>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Definition Threads are helical grooves used to assemble and seal components. In hydraulics, threads appear on fittings and ports; they [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","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":"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":"","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-4)","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-4)","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-4)","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":[1],"tags":[],"class_list":["post-4462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydraulic Threads: BSP vs NPT vs Metric Identification - Hydrath Power<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hydrathpower.com\/zh\/\u6db2\u538b\u87ba\u7eb9\u82f1\u5236\u9525\u87ba\u7eb9\u4e0e\u7f8e\u5236\u9525\u87ba\u7eb9\u7684\u8bc6\u522b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hydraulic Threads: BSP vs NPT vs Metric Identification - Hydrath Power\" \/>\n<meta property=\"og:description\" content=\"Definition Threads are helical grooves used to assemble and seal components. 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