{"id":6787,"date":"2021-04-22T13:29:58","date_gmt":"2021-04-22T05:29:58","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6787"},"modified":"2026-06-22T13:31:48","modified_gmt":"2026-06-22T05:31:48","slug":"ansi-thread-standards-unc-unf-and-fastener-compatibility","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/ansi-thread-standards-unc-unf-and-fastener-compatibility\/","title":{"rendered":"ANSI Ti\u00eau chu\u1ea9n ren: UNC, UNF v\u00e0 Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t"},"content":{"rendered":"<p>C\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 ren th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp khi ng\u01b0\u1eddi mua t\u00ecm ngu\u1ed3n \u1ed1c v\u00edt inch cho th\u1ecb tr\u01b0\u1eddng Hoa K\u1ef3, Canada v\u00e0 c\u00e1c th\u1ecb tr\u01b0\u1eddng n\u01b0\u1edbc ngo\u00e0i kh\u00e1c. Trong h\u1ea7u h\u1ebft c\u00e1c RFQ c\u00f4ng nghi\u1ec7p, \u0111i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 c\u00e1c ren v\u00edt ANSI\/ASME th\u1ed1ng nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 UNC v\u00e0 UNF.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua, v\u1ea5n \u0111\u1ec1 ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch. Bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c c\u00f3 th\u1ec3 c\u00f3 c\u00f9ng \u0111\u01b0\u1eddng k\u00ednh, nh\u01b0ng n\u1ebfu chu\u1ed7i ren ho\u1eb7c b\u01b0\u1edbc ren sai th\u00ec ch\u00fang s\u1ebd kh\u00f4ng l\u1eafp r\u00e1p ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UNC v\u00e0 UNF ngh\u0129a l\u00e0 g\u00ec<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">D\u00f2ng ch\u1ee7 \u0111\u1ec1 inch th\u1ed1ng nh\u1ea5t<\/h3>\n\n\n\n<p>UNC c\u00f3 ngh\u0129a l\u00e0 Th\u1ed1ng Nh\u1ea5t Qu\u1ed1c Gia Th\u00f4. UNF c\u00f3 ngh\u0129a l\u00e0 Th\u1ed1ng Nh\u1ea5t Qu\u1ed1c Gia Ph\u1ea1t. C\u1ea3 hai \u0111\u1ec1u thu\u1ed9c h\u1ec7 th\u1ed1ng ren inch th\u1ed1ng nh\u1ea5t.<\/p>\n\n\n\n<p>Ch\u00fang \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a v\u00e0 s\u1ed1 ren tr\u00ean m\u1ed7i inch, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 TPI.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>K\u00edch th\u01b0\u1edbc v\u00ed d\u1ee5<\/th><th>Chu\u1ed7i ch\u1ee7 \u0111\u1ec1<\/th><th>\u00dd ngh\u0129a<\/th><\/tr><\/thead><tbody><tr><td>1\/2-13 UNC<\/td><td>S\u1ee3i th\u00f4<\/td><td>\u0111\u01b0\u1eddng k\u00ednh 1\/2 inch, 13 ren tr\u00ean m\u1ed7i inch<\/td><\/tr><tr><td>1\/2-20 UNF<\/td><td>S\u1ee3i m\u1ecbn<\/td><td>\u0111\u01b0\u1eddng k\u00ednh 1\/2 inch, 20 ren tr\u00ean m\u1ed7i inch<\/td><\/tr><tr><td>3\/8-16 UNC<\/td><td>S\u1ee3i th\u00f4<\/td><td>\u0111\u01b0\u1eddng k\u00ednh 3\/8 inch, 16 ren tr\u00ean m\u1ed7i inch<\/td><\/tr><tr><td>3\/8-24 UNF<\/td><td>S\u1ee3i m\u1ecbn<\/td><td>\u0111\u01b0\u1eddng k\u00ednh 3\/8 inch, 24 ren tr\u00ean m\u1ed7i inch<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t chung <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/bolts\/\">s\u1ea3n ph\u1ea9m bu l\u00f4ng<\/a> khi so s\u00e1nh c\u00e1c t\u00f9y ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t ren inch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UNC so v\u1edbi UNF: S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">So s\u00e1nh \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1ee5c<\/th><th>UNC Ch\u1ee7 \u0111\u1ec1<\/th><th>UNF Ch\u1ee7 \u0111\u1ec1<\/th><\/tr><\/thead><tbody><tr><td>Cao \u0111\u1ed9<\/td><td>th\u00f4 h\u01a1n<\/td><td>m\u1ecbn h\u01a1n<\/td><\/tr><tr><td>T\u1ed1c \u0111\u1ed9 l\u1eafp r\u00e1p<\/td><td>Nhanh h\u01a1n<\/td><td>Ch\u1eadm h\u01a1n<\/td><\/tr><tr><td>Kh\u1ea3 n\u0103ng ch\u1ecbu b\u1ee5i b\u1ea9n<\/td><td>T\u1ed1t h\u01a1n<\/td><td>H\u1ea1 xu\u1ed1ng<\/td><\/tr><tr><td>\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u ch\u1ec9nh<\/td><td>H\u1ea1 xu\u1ed1ng<\/td><td>Cao h\u01a1n<\/td><\/tr><tr><td>s\u1eed d\u1ee5ng chung<\/td><td>M\u00e1y m\u00f3c t\u1ed5ng h\u1ee3p, x\u00e2y d\u1ef1ng, s\u1eeda ch\u1eefa<\/td><td>\u00d4 t\u00f4, thi\u1ebft b\u1ecb, l\u1eafp r\u00e1p ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>R\u1ee7i ro xuy\u00ean lu\u1ed3ng<\/td><td>H\u1ea1 xu\u1ed1ng<\/td><td>Cao h\u01a1n n\u1ebfu x\u1eed l\u00fd k\u00e9m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>UNC bu l\u00f4ng th\u01b0\u1eddng d\u1ec5 l\u1eafp \u0111\u1eb7t h\u01a1n khi l\u00e0m vi\u1ec7c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. UNF bu l\u00f4ng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean khi c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t, g\u1eafn ren ch\u1eafc h\u01a1n trong kh\u00f4ng gian h\u1ea1n ch\u1ebf ho\u1eb7c thi\u1ebft k\u1ebf nh\u1ea1y c\u1ea3m v\u1edbi rung \u0111\u1ed9ng.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi \u1ed1c v\u00edt inch th\u00f4ng th\u01b0\u1eddng, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u t\u1eeb <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> v\u00e0 sau \u0111\u00f3 x\u00e1c nh\u1eadn chu\u1ed7i ch\u1ee7 \u0111\u1ec1 ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy t\u1eafc t\u01b0\u01a1ng th\u00edch Ng\u01b0\u1eddi mua n\u00ean tu\u00e2n theo<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u01b0\u1eddng k\u00ednh th\u00f4i l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h3>\n\n\n\n<p>M\u1ed9t bu l\u00f4ng 1\/2 inch kh\u00f4ng t\u1ef1 \u0111\u1ed9ng t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ecdi \u0111ai \u1ed1c 1\/2 inch. \u0110ai \u1ed1c ph\u1ea3i kh\u1edbp v\u1edbi c\u00f9ng m\u1ed9t d\u00e3y ren v\u00e0 TPI.<\/p>\n\n\n\n<p>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>chu\u1ed7i ch\u1ee7 \u0111\u1ec1 UNC ho\u1eb7c UNF<\/li>\n\n\n\n<li>Ch\u1ee7 \u0111\u1ec1 tr\u00ean m\u1ed7i inch<\/li>\n\n\n\n<li>L\u1edbp ch\u1ee7 \u0111\u1ec1 ph\u00f9 h\u1ee3p n\u1ebfu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh<\/li>\n\n\n\n<li>L\u1edbp v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>\u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7<\/li>\n\n\n\n<li>Ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u v\u1ec1 \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi \u1ed1c v\u00edt inch ch\u1ecbu t\u1ea3i cao, h\u00e3y xem l\u1ea1i <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/high-strength-fasteners\/\">\u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn c\u1ea5p \u0111\u1ed9 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn l\u1eafp r\u00e1p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng l\u1ed7i th\u01b0\u1eddng g\u1eb7p (RFQ)<\/h2>\n\n\n\n<p>Ng\u01b0\u1eddi mua n\u00ean tr\u00e1nh nh\u1eefng m\u00f4 t\u1ea3 m\u01a1 h\u1ed3 nh\u01b0 \u201cbu l\u00f4ng inch\u201d ho\u1eb7c \u201cbu l\u00f4ng ren ki\u1ec3u M\u1ef9\u201d. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<p>Nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ch\u1ec9 \u0111\u1eb7t h\u00e0ng \u0111\u01b0\u1eddng k\u00ednh m\u00e0 kh\u00f4ng c\u00f3 TPI.<\/li>\n\n\n\n<li>Tr\u1ed9n UNC bu l\u00f4ng v\u1edbi UNF \u0111ai \u1ed1c.<\/li>\n\n\n\n<li>Nh\u1ea7m l\u1eabn c\u00e1c ch\u1ee7 \u0111\u1ec1 inch v\u1edbi c\u00e1c ch\u1ee7 \u0111\u1ec1 s\u1ed1 li\u1ec7u.<\/li>\n\n\n\n<li>B\u1ecf qua s\u1ef1 t\u00edch t\u1ee5 l\u1edbp ph\u1ee7 tr\u00ean ren.<\/li>\n\n\n\n<li>Thay th\u1ebf \u1ed1c v\u00edt ren m\u1ecbn b\u1eb1ng ren th\u00f4.<\/li>\n\n\n\n<li>Kh\u00f4ng ki\u1ec3m tra th\u01b0\u1edbc ren tr\u01b0\u1edbc khi giao h\u00e0ng.<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi \u1ed1c v\u00edt c\u00f3 l\u1edbp ph\u1ee7 inch, h\u00e3y so s\u00e1nh <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> v\u00e0 x\u00e1c nh\u1eadn \u0111ai \u1ed1c ph\u00f9 h\u1ee3p sau khi ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra d\u00e0nh cho ANSI Ch\u1ed1t ren<\/h2>\n\n\n\n<p>M\u1ed9t RFQ r\u00f5 r\u00e0ng n\u00ean bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>RFQ M\u1ee5c<\/th><th>Nh\u1eefng g\u00ec c\u1ea7n ch\u1ec9 \u0111\u1ecbnh<\/th><\/tr><\/thead><tbody><tr><td>H\u1ec7 ren<\/td><td>UNC, UNF, UNEF ho\u1eb7c lu\u1ed3ng \u0111\u1eb7c bi\u1ec7t<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc<\/td><td>\u0110\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i, TPI<\/td><\/tr><tr><td>Ti\u00eau chu\u1ea9n<\/td><td>ANSI\/ASME, ASTM, SAE, ho\u1eb7c b\u1ea3n v\u1ebd<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u<\/td><td>Th\u00e9p cacbon, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>L\u1edbp<\/td><td>SAE C\u1ea5p 5, C\u1ea5p 8, c\u1ea5p ASTM, c\u1ea5p kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>K\u1ebft th\u00fac<\/td><td>\u0110\u1ed3ng b\u1eb1ng, k\u1ebdm, HDG, oxit \u0111en, v\u1ea3y k\u1ebdm<\/td><\/tr><tr><td>Assembly<\/td><td>C\u00e1c lo\u1ea1i h\u1ea1t v\u00e0 v\u00f2ng \u0111\u1ec7m ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>Inspection<\/td><td>M\u00e1y \u0111o ren, b\u00e1o c\u00e1o k\u00edch th\u01b0\u1edbc, gi\u1ea5y ch\u1ee9ng nh\u1eadn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi chi\u1ec1u d\u00e0i ren b\u1ea5t th\u01b0\u1eddng, \u0111\u1ea7u kh\u00f4ng chu\u1ea9n ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn inch d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd, h\u00e3y s\u1eed d\u1ee5ng <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>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>ANSI kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ren ph\u1ee5 thu\u1ed9c nhi\u1ec1u h\u01a1n v\u00e0o \u0111\u01b0\u1eddng k\u00ednh bu l\u00f4ng. Ng\u01b0\u1eddi mua ph\u1ea3i x\u00e1c nh\u1eadn d\u00f2ng ren, TPI, \u0111\u1ed9 kh\u00edt c\u1ee7a ren, c\u1ea5p \u0111\u1ed9, l\u1edbp ph\u1ee7 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn gh\u00e9p n\u1ed1i tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<p>\u0110\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng r\u1ed9ng h\u01a1n, 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 r\u00f5 r\u00e0ng y\u00eau c\u1ea7u v\u1ec1 lu\u1ed3ng trong \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.<\/p>","protected":false},"excerpt":{"rendered":"<p>ANSI thread standards are often mentioned when buyers source inch fasteners for the U.S., Canadian, and other overseas markets. In most industrial RFQs, this usually means ANSI\/ASME unified inch screw threads, especially UNC and UNF. For buyers, the main issue is compatibility. A bolt and nut may have the same diameter, but if the thread [&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":[497],"class_list":["post-6787","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-standards-cross-reference"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6787","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=6787"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6787\/revisions"}],"predecessor-version":[{"id":6788,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6787\/revisions\/6788"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6787"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6787"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}