{"id":7386,"date":"2021-02-18T04:19:24","date_gmt":"2021-02-17T20:19:24","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7386"},"modified":"2026-06-24T04:21:16","modified_gmt":"2026-06-23T20:21:16","slug":"unc-thread-chart-for-bolts-nuts-and-studs","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/unc-thread-chart-for-bolts-nuts-and-studs\/","title":{"rendered":"UNC Bi\u1ec3u \u0111\u1ed3 ren cho Bu l\u00f4ng, \u0110ai \u1ed1c v\u00e0 \u0110inh t\u00e1n"},"content":{"rendered":"<p>Ren UNC (Th\u1ed1ng nh\u1ea5t qu\u1ed1c gia th\u00f4) l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ec7 th\u1ed1ng ren inch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong \u1ed1c v\u00edt c\u00f4ng nghi\u1ec7p. Ch\u00fang l\u00e0 ti\u00eau chu\u1ea9n trong m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng, c\u1ee5m k\u1ebft c\u1ea5u, linh ki\u1ec7n \u00f4 t\u00f4 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng b\u1ea3o tr\u00ec \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1eafp r\u00e1p nhanh v\u00e0 g\u1eafn k\u1ebft \u0111\u00e1ng tin c\u1eady.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00f3m mua s\u1eafm, vi\u1ec7c hi\u1ec3u c\u00e1c s\u01a1 \u0111\u1ed3 lu\u1ed3ng kh\u00f4ng ch\u1ec9 l\u00e0 \u0111\u1ecdc c\u00e1c con s\u1ed1. \u0110\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch gi\u1eefa bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 \u0111inh t\u00e1n gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p, ti\u00eau chu\u1ea9n v\u00e0 l\u00f4 s\u1ea3n xu\u1ea5t kh\u00e1c nhau. (UNC)<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u1ed1c v\u00edt v\u00e0 ren inch ti\u00eau chu\u1ea9n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/products-tag\/threaded-rod\/\">thanh ren<\/a> trang.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ee7 \u0111\u1ec1 l\u00e0 g\u00ec? (UNC)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ec7 th\u1ed1ng ren th\u00f4 theo ti\u00eau chu\u1ea9n inch<\/h3>\n\n\n\n<p>UNC l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a Ti\u00eau chu\u1ea9n lu\u1ed3ng th\u1ed1ng nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u1edf Hoa K\u1ef3 v\u00e0 c\u00e1c qu\u1ed1c gia theo h\u1ec7 th\u1ed1ng ASME\/ANSI. N\u00f3 c\u00f3 b\u01b0\u1edbc r\u0103ng th\u00f4 h\u01a1n so v\u1edbi UNF (s\u1ee3i m\u1ecbn), gi\u00fap l\u1eafp r\u00e1p d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu b\u1ee5i b\u1ea9n, l\u1edbp ph\u1ee7 v\u00e0 \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>t\u00ednh n\u0103ng<\/th><th>UNC Ch\u1ee7 \u0111\u1ec1<\/th><\/tr><\/thead><tbody><tr><td>H\u1ec7 th\u1ed1ng<\/td><td>Th\u1ed1ng Nh\u1ea5t Qu\u1ed1c Gia Th\u00f4<\/td><\/tr><tr><td>\u0110\u01a1n v\u1ecb \u0111o<\/td><td>inch<\/td><\/tr><tr><td>M\u1eadt \u0111\u1ed9 s\u1ee3i<\/td><td>Th\u00f4 (\u00edt s\u1ee3i tr\u00ean m\u1ed7i inch)<\/td><\/tr><tr><td>s\u1eed d\u1ee5ng chung<\/td><td>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ebft c\u1ea5u chung<\/td><\/tr><tr><td>Advantage<\/td><td>L\u1eafp r\u00e1p nhanh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu h\u01b0 h\u1ecfng cao h\u01a1n<\/td><\/tr><tr><td>Limitation<\/td><td>\u0110\u1ed9 t\u01b0\u01a1ng t\u00e1c ren tr\u00ean m\u1ed7i chi\u1ec1u d\u00e0i th\u1ea5p h\u01a1n so v\u1edbi ren m\u1ea3nh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao UNC Bi\u1ec3u \u0111\u1ed3 ch\u1ee7 \u0111\u1ec1 l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tr\u00e1nh s\u1ef1 kh\u00f4ng kh\u1edbp trong bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 \u0111inh t\u00e1n<\/h3>\n\n\n\n<p>Bi\u1ec3u \u0111\u1ed3 ren UNC x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1eddng k\u00ednh, ren tr\u00ean m\u1ed7i inch (TPI), v\u00e0 k\u00edch th\u01b0\u1edbc \u0103n kh\u1edbp ti\u00eau chu\u1ea9n. N\u1ebfu kh\u00f4ng tham chi\u1ebfu ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 x\u1ea3y ra s\u1ef1 kh\u00f4ng kh\u1edbp gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Component<\/th><th>Nh\u1eefng g\u00ec ph\u1ea3i ph\u00f9 h\u1ee3p<\/th><\/tr><\/thead><tbody><tr><td>bu l\u00f4ng<\/td><td>\u0110\u01b0\u1eddng k\u00ednh + TPI<\/td><\/tr><tr><td>h\u1ea1t<\/td><td>Ch\u1ee7 \u0111\u1ec1 n\u1ed9i b\u1ed9 + TPI<\/td><\/tr><tr><td>h\u1ecdc sinh<\/td><td>C\u1ea3 hai \u0111\u1ea7u ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng<\/td><\/tr><tr><td>L\u1ed7 khai th\u00e1c<\/td><td>Ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n c\u1ee7a lu\u1ed3ng (UNC)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ngay c\u1ea3 m\u1ed9t sai l\u1ec7ch nh\u1ecf trong TPI c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng xuy\u00ean ren, \u0103n kh\u1edbp k\u00e9m ho\u1eb7c h\u1ecfng kh\u1edbp trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00edch th\u01b0\u1edbc ren UNC ph\u1ed5 bi\u1ebfn (Tham kh\u1ea3o c\u00f4ng nghi\u1ec7p)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">K\u00edch th\u01b0\u1edbc \u0111i\u1ec3n h\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u1ed1c v\u00edt<\/h3>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 bi\u1ec3u \u0111\u1ed3 tham chi\u1ebfu c\u00f4ng nghi\u1ec7p \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng mua s\u1eafm v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>K\u00edch th\u01b0\u1edbc danh ngh\u0129a<\/th><th>S\u1ed1 s\u1ee3i tr\u00ean m\u1ed7i inch (TPI)<\/th><th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead><tbody><tr><td>1\/4\u201d-20 UNC<\/td><td>20<\/td><td>M\u00e1y m\u00f3c v\u00e0 d\u1ee5ng c\u1ee5 nh\u1ecf<\/td><\/tr><tr><td>5\/16\u201d-18 UNC<\/td><td>18<\/td><td>\u0110\u1ea1i h\u1ed9i \u0111\u1ed3ng<\/td><\/tr><tr><td>3\/8\u201d-16 UNC<\/td><td>16<\/td><td>B\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u v\u00e0 thi\u1ebft b\u1ecb<\/td><\/tr><tr><td>1\/2\u201d-13 UNC<\/td><td>13<\/td><td>M\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng<\/td><\/tr><tr><td>5\/8\u201d-11 UNC<\/td><td>11<\/td><td>Bu l\u00f4ng k\u1ebft c\u1ea5u<\/td><\/tr><tr><td>3\/4\u201d-10 UNC<\/td><td>10<\/td><td>T\u1ed5 h\u1ee3p ch\u1ecbu t\u1ea3i cao<\/td><\/tr><tr><td>7\/8\u201d-9 UNC<\/td><td>9<\/td><td>Thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p n\u1eb7ng<\/td><\/tr><tr><td>1\u201d-8 UNC<\/td><td>8<\/td><td>M\u1ed1i n\u1ed1i k\u1ebft c\u1ea5u l\u1edbn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u1ea3i tr\u1ecdng ho\u1eb7c \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n, UNC th\u01b0\u1eddng \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi UNF (s\u1ee3i m\u1ecbn), nh\u01b0ng UNC v\u1eabn \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng do t\u00ednh ch\u1eafc ch\u1eafn c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UNC Bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 \u0111inh t\u00e1n trong th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2n nh\u1eafc l\u1ef1a ch\u1ecdn trong th\u1ebf gi\u1edbi th\u1ef1c<\/h3>\n\n\n\n<p>Trong c\u00f4ng vi\u1ec7c mua s\u1eafm v\u00e0 k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf, c\u00e1c ch\u1ee7 \u0111\u1ec1 hi\u1ebfm khi \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ch\u1ec9 d\u1ef1a tr\u00ean bi\u1ec3u \u0111\u1ed3. M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng. (UNC)<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u1ee8ng d\u1ee5ng<\/th><th>T\u1ea1i sao UNC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>Thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng<\/td><td>L\u1eafp r\u00e1p v\u00e0 b\u1ea3o tr\u00ec hi\u1ec7n tr\u01b0\u1eddng d\u1ec5 d\u00e0ng<\/td><\/tr><tr><td>Khung m\u00e1y m\u00f3c<\/td><td>S\u1ef1 tham gia \u0111\u00e1ng tin c\u1eady d\u01b0\u1edbi s\u1ef1 rung \u0111\u1ed9ng<\/td><\/tr><tr><td>K\u1ebft c\u1ea5u th\u00e9p<\/td><td>Thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean inch ti\u00eau chu\u1ea9n h\u00f3a<\/td><\/tr><tr><td>B\u1ea3o tr\u00ec kh\u1edbp<\/td><td>Ch\u1ecbu \u0111\u01b0\u1ee3c b\u1ee5i b\u1ea9n v\u00e0 m\u00e0i m\u00f2n<\/td><\/tr><tr><td>Bu l\u00f4ng v\u00e0 \u0111inh t\u00e1n n\u1eb7ng<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng xuy\u00ean lu\u1ed3ng t\u1ed1t h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ren UNC th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi c\u00e1c \u1ed1c v\u00edt b\u1eb1ng th\u00e9p h\u1ee3p kim nh\u01b0 \u0111inh t\u00e1n B7 ho\u1eb7c h\u1ec7 th\u1ed1ng bul\u00f4ng k\u1ebft c\u1ea5u. (ASTM A193)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">UNC vs UNF: \u0110i\u1ec3m quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ef1a ch\u1ecdn s\u1ee3i th\u00f4 v\u00e0 s\u1ee3i m\u1ecbn<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Y\u1ebfu t\u1ed1<\/th><th>UNC (Th\u00f4)<\/th><th>UNF (T\u1ed1t th\u00f4i)<\/th><\/tr><\/thead><tbody><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>Cao h\u01a1n<\/td><td>H\u1ea1 xu\u1ed1ng<\/td><\/tr><tr><td>S\u1ee9c m\u1ea1nh tr\u00ean m\u1ed7i \u0111\u01b0\u1eddng k\u00ednh<\/td><td>H\u1ea1 xu\u1ed1ng<\/td><td>Cao h\u01a1n (m\u1ed9t ch\u00fat)<\/td><\/tr><tr><td>Ch\u1ed1ng rung<\/td><td>Moderate<\/td><td>T\u1ed1t h\u01a1n \u1edf m\u1ed9t s\u1ed1 kh\u1edbp \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr><tr><td>S\u1eed d\u1ee5ng hi\u1ec7n tr\u01b0\u1eddng<\/td><td>Preferred<\/td><td>\u1ee8ng d\u1ee5ng ch\u00ednh x\u00e1c h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p mua s\u1eafm, UNC \u0111\u01b0\u1ee3c ch\u1ecdn khi \u0111\u1ed9 tin c\u1eady t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 t\u00ednh d\u1ec5 l\u1eafp r\u00e1p quan tr\u1ecdng h\u01a1n vi\u1ec7c ki\u1ec3m so\u00e1t tinh ch\u1ec9nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ee7a ng\u01b0\u1eddi mua<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 nh\u1ea7m l\u1eabn v\u1ec1 ch\u1ee7 \u0111\u1ec1 d\u1eabn \u0111\u1ebfn l\u1ed7i l\u1eafp r\u00e1p<\/h3>\n\n\n\n<p>C\u00e1c l\u1ed7i li\u00ean quan \u0111\u1ebfn ren l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p nh\u1ea5t d\u1eabn \u0111\u1ebfn vi\u1ec7c lo\u1ea1i b\u1ecf chi ti\u1ebft si\u1ebft ch\u1eb7t trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra \u0111\u1ea7u v\u00e0o v\u00e0 l\u1eafp \u0111\u1eb7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>sai l\u1ea7m<\/th><th>k\u1ebft qu\u1ea3<\/th><\/tr><\/thead><tbody><tr><td>Tr\u1ed9n c\u00e1c lu\u1ed3ng UNC v\u00e0 h\u1ec7 m\u00e9t<\/td><td>L\u1ed7i l\u1eafp r\u00e1p ngay l\u1eadp t\u1ee9c<\/td><\/tr><tr><td>Kh\u00f3 hi\u1ec3u UNC v\u00e0 UNF<\/td><td>T\u01b0\u01a1ng t\u00e1c k\u00e9m ho\u1eb7c t\u01b0\u1edbc b\u1ecf<\/td><\/tr><tr><td>B\u1ecf qua TPI<\/td><td>Ph\u00e2n lu\u1ed3ng ch\u00e9o trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t<\/td><\/tr><tr><td>Thay th\u1ebf \u0111\u01b0\u1eddng k\u00ednh t\u01b0\u01a1ng t\u1ef1<\/td><td>Kh\u00f4ng ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>Gi\u1ea3 s\u1eed s\u1ef1 gi\u1ed1ng nhau v\u1ec1 h\u00ecnh \u1ea3nh l\u00e0 \u0111\u1ee7<\/td><td>S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch \u1ea9n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Bi\u1ec3u \u0111\u1ed3 lu\u1ed3ng UNC ph\u1ea3i lu\u00f4n \u0111\u01b0\u1ee3c tham kh\u1ea3o trong qu\u00e1 tr\u00ecnh xem x\u00e9t, kh\u00f4ng ph\u1ea3i sau khi s\u1ea3n xu\u1ea5t. (RFQ)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2n nh\u1eafc v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ec9 h\u1ec7 th\u1ed1ng ch\u1ee7 \u0111\u1ec1 l\u00e0 kh\u00f4ng \u0111\u1ee7<\/h3>\n\n\n\n<p>UNC Ch\u1ed1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p cacbon, th\u00e9p h\u1ee3p kim v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ch\u1ea5t li\u1ec7u\/Ho\u00e0n thi\u1ec7n<\/th><th>T\u00e1c \u0111\u1ed9ng \u1ee9ng d\u1ee5ng<\/th><\/tr><\/thead><tbody><tr><td>Th\u00e9p cacbon<\/td><td>S\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u00f3i chung<\/td><\/tr><tr><td>Th\u00e9p h\u1ee3p kim<\/td><td>H\u1ec7 th\u1ed1ng bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm<\/td><td>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n c\u01a1 b\u1ea3n<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td><td>S\u1eed d\u1ee5ng k\u1ebft c\u1ea5u ngo\u00e0i tr\u1eddi<\/td><\/tr><tr><td>PTFE l\u1edbp ph\u1ee7<\/td><td>M\u00f4i tr\u01b0\u1eddng ma s\u00e1t ho\u1eb7c h\u00f3a ch\u1ea5t th\u1ea5p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 l\u1ef1a ch\u1ecdn ch\u1ea5t li\u1ec7u, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 tham kh\u1ea3o XZ Fastener's <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/carbon-steel\/\">\u1ed1c v\u00edt th\u00e9p carbon<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>. \u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c ph\u1ee7, xem <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra cho UNC Ch\u1ed1t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u00f3m mua s\u1eafm n\u00ean x\u00e1c \u0111\u1ecbnh nh\u1eefng g\u00ec<\/h3>\n\n\n\n<p>M\u1ed9t RFQ ho\u00e0n ch\u1ec9nh ph\u1ea3i lu\u00f4n bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n lu\u1ed3ng: UNC (ho\u1eb7c UNF n\u1ebfu c\u00f3).<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a v\u00e0 chi\u1ec1u d\u00e0i.<\/li>\n\n\n\n<li>S\u1ed1 ren tr\u00ean m\u1ed7i inch (TPI).<\/li>\n\n\n\n<li>Lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t: bu l\u00f4ng, \u0111ai \u1ed1c ho\u1eb7c \u0111inh t\u00e1n.<\/li>\n\n\n\n<li>C\u1ea5p v\u1eadt li\u1ec7u v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n.<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 ho\u1eb7c ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n<li>M\u00f4i tr\u01b0\u1eddng \u1ee9ng d\u1ee5ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n t\u1ea3i.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn ho\u1eb7c t\u1ea3i tr\u01b0\u1edbc n\u1ebfu \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 ch\u1ee9ng ch\u1ec9 ho\u1eb7c ki\u1ec3m tra.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 \u0111\u00f3ng g\u00f3i v\u00e0 ghi nh\u00e3n.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng thanh ren ho\u1eb7c \u0111inh t\u00e1n, XZ Fastener <a href=\"https:\/\/xzfastener.com\/vi\/products-tag\/threaded-rod\/\">thanh ren<\/a> danh m\u1ee5c th\u01b0\u1eddng \u0111\u01b0\u1ee3c tham chi\u1ebfu trong t\u00ecm ngu\u1ed3n cung \u1ee9ng d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khuy\u1ebfn ngh\u1ecb cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>H\u1ec7 th\u1ed1ng ren v\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a thi\u1ebft k\u1ebf chi ti\u1ebft si\u1ebft ch\u1eb7t theo inch. \u0110i\u1ec3m m\u1ea1nh c\u1ee7a ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c m\u00e0 l\u00e0 \u0111\u1ed9 tin c\u1eady trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf\u2014\u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng x\u00e2y d\u1ef1ng, m\u00e1y m\u00f3c v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ea7n b\u1ea3o tr\u00ec nhi\u1ec1u. (UNC)<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00f3m mua s\u1eafm, ch\u00eca kh\u00f3a r\u1ea5t \u0111\u01a1n gi\u1ea3n: lu\u00f4n x\u00e1c nh\u1eadn \u0111\u01b0\u1eddng k\u00ednh, TPI, v\u1eadt li\u1ec7u v\u00e0 \u1ee9ng d\u1ee5ng c\u00f9ng nhau. Bi\u1ec3u \u0111\u1ed3 ren ch\u00ednh x\u00e1c \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch gi\u1eefa c\u00e1c bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 \u0111inh t\u00e1n, ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i l\u1eafp r\u00e1p t\u1ed1n k\u00e9m v\u00e0 h\u1ecfng h\u00f3c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. (UNC)<\/p>","protected":false},"excerpt":{"rendered":"<p>UNC threads (Unified National Coarse) are one of the most widely used inch-thread systems in industrial fasteners. They are standard in machinery, construction equipment, structural assemblies, automotive components, and maintenance applications where fast assembly and reliable engagement are required. For procurement teams, understanding UNC thread charts is not just about reading numbers. It is about [&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-7386","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\/7386","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=7386"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7386\/revisions"}],"predecessor-version":[{"id":7387,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7386\/revisions\/7387"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}