{"id":6593,"date":"2021-02-25T18:28:40","date_gmt":"2021-02-25T10:28:40","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6593"},"modified":"2026-06-17T18:30:27","modified_gmt":"2026-06-17T10:30:27","slug":"metric-thread-vs-inch-thread-buyers-comparison-guide","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/metric-thread-vs-inch-thread-buyers-comparison-guide\/","title":{"rendered":"Ren h\u1ec7 m\u00e9t v\u00e0 ch\u1ee7 \u0111\u1ec1 inch: H\u01b0\u1edbng d\u1eabn so s\u00e1nh c\u1ee7a ng\u01b0\u1eddi mua"},"content":{"rendered":"<p>\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi mua chi ti\u1ebft si\u1ebft ch\u1eb7t to\u00e0n c\u1ea7u, s\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa ren h\u1ec7 m\u00e9t v\u00e0 ren inch l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 t\u00ecm ngu\u1ed3n cung \u1ee9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. Bu l\u00f4ng c\u00f3 th\u1ec3 tr\u00f4ng g\u1ea7n. \u0110\u01b0\u1eddng k\u00ednh c\u00f3 th\u1ec3 c\u00f3 v\u1ebb t\u01b0\u01a1ng t\u1ef1. Nh\u01b0ng n\u1ebfu h\u1ec7 th\u1ed1ng b\u01b0\u1edbc b\u1ecb sai, \u0111ai \u1ed1c s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p ch\u00ednh x\u00e1c v\u00e0 to\u00e0n b\u1ed9 l\u00f4 c\u00f3 th\u1ec3 kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p>V\u1ea5n \u0111\u1ec1 n\u00e0y xu\u1ea5t hi\u1ec7n th\u01b0\u1eddng xuy\u00ean trong c\u00e1c c\u00f4ng vi\u1ec7c s\u1eeda ch\u1eefa m\u00e1y m\u00f3c, thay th\u1ebf ph\u1ee5 ki\u1ec7n, \u0111\u01a1n h\u00e0ng, d\u1ef1 \u00e1n ti\u00eau chu\u1ea9n h\u1ed7n h\u1ee3p. C\u00e1ch ti\u1ebfp c\u1eadn an to\u00e0n nh\u1ea5t r\u1ea5t \u0111\u01a1n gi\u1ea3n: kh\u00f4ng bao gi\u1edd x\u00e1c nh\u1eadn chi ti\u1ebft si\u1ebft ch\u1eb7t ch\u1ec9 b\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ren h\u1ec7 m\u00e9t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ren h\u1ec7 m\u00e9t \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 nh\u01b0 th\u1ebf n\u00e0o<\/h3>\n\n\n\n<p>S\u1ee3i ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng milim\u00e9t. M\u1ed9t m\u00f4 t\u1ea3 \u0111i\u1ec3n h\u00ecnh l\u00e0 <strong>M12 \u00d7 1.75<\/strong>, trong \u0111\u00f3 M12 l\u00e0 \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a v\u00e0 1.75 mm l\u00e0 b\u01b0\u1edbc ren.<\/p>\n\n\n\n<p>S\u1ee3i ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf Ch\u00e2u \u00c2u, Trung Qu\u1ed1c, h\u1ea7u h\u1ebft c\u00e1c th\u1ecb tr\u01b0\u1eddng Ch\u00e2u \u00c1 v\u00e0 nhi\u1ec1u d\u1ef1 \u00e1n c\u00f4ng nghi\u1ec7p qu\u1ed1c t\u1ebf. C\u00e1c ti\u00eau chu\u1ea9n chung bao g\u1ed3m c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ISO v\u00e0 DIN.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t chung <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> khi t\u00ecm ngu\u1ed3n cung \u1ee9ng bu l\u00f4ng, \u0111ai \u1ed1c, \u1ed1c v\u00edt v\u00e0 v\u00f2ng \u0111\u1ec7m theo h\u1ec7 m\u00e9t th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ee7 \u0111\u1ec1 inch l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ee7 \u0111\u1ec1 UNC v\u00e0 UNF<\/h3>\n\n\n\n<p>Ren inch th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ren tr\u00ean inch, c\u00f2n g\u1ecdi l\u00e0 TPI. V\u00ed d\u1ee5, <strong>1\/2\u201d-13 UNC<\/strong> c\u00f3 ngh\u0129a l\u00e0 \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a 1\/2 inch v\u1edbi 13 ren tr\u00ean m\u1ed7i inch.<\/p>\n\n\n\n<p>UNC c\u00f3 ngh\u0129a l\u00e0 S\u1ee3i Th\u00f4 H\u1ee3p Nh\u1ea5t. UNF c\u00f3 ngh\u0129a l\u00e0 S\u1ee3i Ch\u1ec9 H\u1ee3p Nh\u1ea5t. \u0110\u00e2y l\u00e0 nh\u1eefng ph\u1ed5 bi\u1ebfn \u1edf Hoa K\u1ef3, Canada v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o theo ti\u00eau chu\u1ea9n c\u1ee7a M\u1ef9.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>H\u1ec7 ren<\/th><th>V\u00ed d\u1ee5<\/th><th>M\u00f4 t\u1ea3 qu\u1ea3ng c\u00e1o chi\u00eau h\u00e0ng<\/th><th>Th\u1ecb tr\u01b0\u1eddng chung<\/th><\/tr><\/thead><tbody><tr><td>S\u1ed1 li\u1ec7u th\u00f4<\/td><td>M12 \u00d7 1.75<\/td><td>Milimet gi\u1eefa c\u00e1c ch\u1ee7 \u0111\u1ec1<\/td><td>Ch\u00e2u \u00c2u, Ch\u00e2u \u00c1, m\u00e1y m\u00f3c to\u00e0n c\u1ea7u<\/td><\/tr><tr><td>S\u1ed1 li\u1ec7u ph\u1ea1t<\/td><td>M12 \u00d7 1.5<\/td><td>Kho\u1ea3ng c\u00e1ch s\u1ed1 li\u1ec7u nh\u1ecf h\u01a1n<\/td><td>\u00d4 t\u00f4, l\u1eafp r\u00e1p ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>UNC<\/td><td>1\/2\u201d-13<\/td><td>13 s\u1ee3i tr\u00ean m\u1ed7i inch<\/td><td>Thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p Hoa K\u1ef3<\/td><\/tr><tr><td>UNF<\/td><td>1\/2\u201d-20<\/td><td>20 s\u1ee3i tr\u00ean m\u1ed7i inch<\/td><td>S\u1eed d\u1ee5ng li\u00ean quan \u0111\u1ebfn \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh Ng\u01b0\u1eddi mua n\u00ean ki\u1ec3m tra<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1eebng ch\u1ec9 d\u1ef1a v\u00e0o \u0111\u01b0\u1eddng k\u00ednh<\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 \u1ed1c v\u00edt h\u1ec7 m\u00e9t v\u00e0 inch tr\u00f4ng gi\u1ed1ng nhau nh\u01b0ng kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau. V\u00ed d\u1ee5, M12 v\u00e0 1\/2 inch c\u00f3 k\u00edch th\u01b0\u1edbc g\u1ea7n gi\u1ed1ng nhau, nh\u01b0ng b\u01b0\u1edbc ren kh\u00e1c nhau.<\/p>\n\n\n\n<p>Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, h\u00e3y x\u00e1c nh\u1eadn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a<\/li>\n\n\n\n<li>B\u01b0\u1edbc ren ho\u1eb7c TPI<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n ch\u1ee7 \u0111\u1ec1<\/li>\n\n\n\n<li>S\u1ee3i th\u00f4 ho\u1eb7c s\u1ee3i m\u1ecbn<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a \u0111ai \u1ed1c ho\u1eb7c l\u1ed7 ren<\/li>\n\n\n\n<li>Dung sai ch\u1ee7 \u0111\u1ec1 n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/li>\n\n\n\n<li>T\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1edbp ph\u1ee7 l\u00ean \u0111\u1ed9 kh\u00edt c\u1ee7a ren<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng bu l\u00f4ng thay th\u1ebf ho\u1eb7c m\u1eabu kh\u00f4ng r\u00f5 r\u00e0ng, ng\u01b0\u1eddi mua n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o thay v\u00ec \u1ea3nh ch\u1ee5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi c\u1ea7n y\u00eau c\u1ea7u ren t\u00f9y ch\u1ec9nh<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ef1 \u00e1n ti\u00eau chu\u1ea9n h\u1ed7n h\u1ee3p<\/h3>\n\n\n\n<p>C\u00e1c \u1ed1c v\u00edt t\u00f9y ch\u1ec9nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u khi thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng ren \u0111\u1eb7c bi\u1ec7t, chi\u1ec1u d\u00e0i kh\u00f4ng chu\u1ea9n, ren m\u1ed9t ph\u1ea7n ho\u1eb7c l\u1eafp r\u00e1p ph\u00f9 h\u1ee3p. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c d\u1ef1 \u00e1n b\u1ea3o tr\u00ec trong \u0111\u00f3 m\u00e1y m\u00f3c c\u0169 s\u1eed d\u1ee5ng ren inch trong khi c\u00e1c b\u1ed9 ph\u1eadn m\u1edbi s\u1eed d\u1ee5ng ren h\u1ec7 m\u00e9t.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/custom-non-standard-fasteners\/\">\u1ed1c v\u00edt phi ti\u00eau chu\u1ea9n t\u00f9y ch\u1ec9nh<\/a> n\u00ean \u0111\u01b0\u1ee3c tr\u00edch d\u1eabn b\u1eb1ng m\u1ed9t b\u1ea3n v\u1ebd ho\u1eb7c m\u1eabu \u0111o.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>K\u1ecbch b\u1ea3n mua<\/th><th>H\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th><\/tr><\/thead><tbody><tr><td>Thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng m\u1edbi<\/td><td>S\u1eed d\u1ee5ng \u1ed1c v\u00edt h\u1ec7 m\u00e9t ISO\/DIN<\/td><\/tr><tr><td>S\u1eeda ch\u1eefa m\u00e1y m\u00f3c c\u1ee7a M\u1ef9<\/td><td>X\u00e1c nh\u1eadn UNC ho\u1eb7c UNF<\/td><\/tr><tr><td>M\u1eabu kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/td><td>Ki\u1ec3m tra b\u1eb1ng th\u01b0\u1edbc \u0111o ren<\/td><\/tr><tr><td>OEM l\u1eafp r\u00e1p t\u00f9y ch\u1ec9nh<\/td><td>Cung c\u1ea5p b\u1ea3n v\u1ebd v\u00e0 dung sai<\/td><\/tr><tr><td>Ch\u1ee7 \u0111\u1ec1 tr\u00e1ng<\/td><td>Ki\u1ec3m tra \u0111\u1ed9 kh\u00edt c\u1ee7a \u0111ai \u1ed1c sau khi ph\u1ee7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>L\u1ef1a ch\u1ecdn ren h\u1ec7 m\u00e9t v\u00e0 ren inch ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi so s\u00e1nh gi\u00e1. M\u1ed9t chi ti\u1ebft si\u1ebft ch\u1eb7t gi\u00e1 r\u1ebb v\u1edbi sai s\u1ee3i kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kho\u1ea3n ti\u1ebft ki\u1ec7m; \u0111\u00f3 l\u00e0 m\u1ed9t giao d\u1ecbch mua th\u1ea5t b\u1ea1i.<\/p>\n\n\n\n<p>\u0110\u1ec3 l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, h\u00e3y xem l\u1ea1i to\u00e0n b\u1ed9 <a href=\"https:\/\/xzfastener.com\/vi\/home\/products\/\">s\u1ea3n ph\u1ea9m chi ti\u1ebft si\u1ebft ch\u1eb7t<\/a> ph\u1ea1m vi v\u00e0 x\u00e1c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng lu\u1ed3ng m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng trong RFQ. Bao g\u1ed3m \u0111\u01b0\u1eddng k\u00ednh, b\u01b0\u1edbc ho\u1eb7c TPI, ti\u00eau chu\u1ea9n ren, v\u1eadt li\u1ec7u, c\u1ea5p \u0111\u1ed9, \u0111\u1ed9 ho\u00e0n thi\u1ec7n v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111ai \u1ed1c ph\u00f9 h\u1ee3p.<\/p>","protected":false},"excerpt":{"rendered":"<p>For global fastener buyers, metric thread and inch thread confusion is one of the most common sourcing problems. The bolt may look close. The diameter may seem similar. But if the pitch system is wrong, the nut will not assemble correctly, and the whole batch may become unusable. This issue appears often in machinery repair, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[496],"class_list":["post-6593","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-thread-types-pitch-tolerance"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=6593"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6593\/revisions"}],"predecessor-version":[{"id":6594,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6593\/revisions\/6594"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}