{"id":6630,"date":"2022-04-21T11:40:45","date_gmt":"2022-04-21T03:40:45","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6630"},"modified":"2026-06-18T11:42:21","modified_gmt":"2026-06-18T03:42:21","slug":"thread-selection-guide-for-marine-and-corrosion-resistant-fasteners","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/thread-selection-guide-for-marine-and-corrosion-resistant-fasteners\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn ren cho \u1ed1c v\u00edt ch\u1ed1ng \u0103n m\u00f2n v\u00e0 h\u00e0ng h\u1ea3i"},"content":{"rendered":"<p>\u1ed0c v\u00edt h\u00e0ng h\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean c\u1ea5p \u0111\u1ed9 v\u1eadt li\u1ec7u. L\u1ef1a ch\u1ecdn ch\u1ee7 \u0111\u1ec1 c\u0169ng c\u00f3 v\u1ea5n \u0111\u1ec1. Trong kh\u00f4ng kh\u00ed c\u00f3 mu\u1ed1i, v\u00f9ng b\u1eafn n\u01b0\u1edbc, kho ch\u1ee9a \u1ea9m v\u00e0 thi\u1ebft b\u1ecb ngo\u00e0i kh\u01a1i, ren th\u01b0\u1eddng l\u00e0 khu v\u1ef1c \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0103n m\u00f2n, m\u00f2n ho\u1eb7c l\u1eafp r\u00e1p.<\/p>\n\n\n\n<p>Bu l\u00f4ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n, nh\u01b0ng n\u1ebfu b\u01b0\u1edbc ren, dung sai, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 ho\u1eb7c \u0111ai \u1ed1c \u0103n kh\u1edbp kh\u00f4ng \u0111\u00fang th\u00ec vi\u1ec7c l\u1eafp r\u00e1p v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng. (316)<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua, vi\u1ec7c l\u1ef1a ch\u1ecdn ch\u1ec9 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t c\u00f9ng v\u1edbi v\u1eadt li\u1ec7u, l\u1edbp ph\u1ee7, t\u1ea3i tr\u1ecdng v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao l\u1ef1a ch\u1ecdn ch\u1ee7 \u0111\u1ec1 l\u1ea1i quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i<\/h2>\n\n\n\n<p>Ren t\u1ea1o ra s\u1ef1 g\u1eafn k\u1ebft c\u01a1 h\u1ecdc gi\u1eefa bu l\u00f4ng, \u0111ai \u1ed1c, l\u1ed7 ren, \u0111inh t\u00e1n v\u00e0 h\u1ea1t dao. Trong d\u1ecbch v\u1ee5 h\u00e0ng h\u1ea3i ho\u1eb7c nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 \u0103n m\u00f2n, ren c\u0169ng ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi t\u00ecnh tr\u1ea1ng gi\u1eef \u1ea9m, \u0103n m\u00f2n k\u1ebd h\u1edf, l\u1eafng \u0111\u1ecdng mu\u1ed1i, thay \u0111\u1ed5i ma s\u00e1t v\u00e0 c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t trong qu\u00e1 tr\u00ecnh th\u00e1o.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn chi ti\u1ebft si\u1ebft ch\u1eb7t h\u00e0ng h\u1ea3i kh\u00f4ng n\u00ean d\u1eebng l\u1ea1i \u1edf \u201cth\u00e9p kh\u00f4ng g\u1ec9\u201d ho\u1eb7c \u201cth\u00e9p cacbon ph\u1ee7\u201d.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 so s\u00e1nh c\u00f3 s\u1eb5n <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng ren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ren h\u1ec7 m\u00e9t v\u00e0 inch<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3<\/h3>\n\n\n\n<p>Thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ren h\u1ec7 m\u00e9t, ren UNC, ren UNF ho\u1eb7c ren d\u00e0nh ri\u00eang cho d\u1ef1 \u00e1n. M\u00e1y m\u00f3c, t\u00e0u thuy\u1ec1n, h\u1ec7 th\u1ed1ng b\u1ebfn t\u00e0u, m\u00e1y b\u01a1m, van v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u1ea3o tr\u00ec nh\u1eadp kh\u1ea9u th\u01b0\u1eddng k\u1ebft h\u1ee3p c\u00e1c ti\u00eau chu\u1ea9n.<\/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 chung<\/th><th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead><tbody><tr><td>S\u1ed1 li\u1ec7u th\u00f4<\/td><td>M12 \u00d7 1.75<\/td><td>Thi\u1ebft b\u1ecb qu\u1ed1c t\u1ebf t\u1ed5ng h\u1ee3p<\/td><\/tr><tr><td>S\u1ed1 li\u1ec7u ph\u1ea1t<\/td><td>M12 \u00d7 1.5<\/td><td>\u0110i\u1ec1u ch\u1ec9nh c\u00f3 ki\u1ec3m so\u00e1t ho\u1eb7c l\u1eafp r\u00e1p ch\u1eb7t ch\u1ebd h\u01a1n<\/td><\/tr><tr><td>UNC<\/td><td>1\/2\u201d-13<\/td><td>Thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i v\u00e0 c\u00f4ng nghi\u1ec7p c\u1ee7a Hoa K\u1ef3<\/td><\/tr><tr><td>UNF<\/td><td>1\/2\u201d-20<\/td><td>C\u00e1c \u1ee9ng d\u1ee5ng ren inch m\u1ecbn h\u01a1n<\/td><\/tr><tr><td>Ch\u1ee7 \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t<\/td><td>M\u1ed7i b\u1ea3n v\u1ebd<\/td><td>OEM ho\u1eb7c c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00e1c ren h\u1ec7 m\u00e9t v\u00e0 inch kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh g\u1ea7n \u0111\u00fang. M12 v\u00e0 1\/2 inch nh\u00ecn c\u00f3 v\u1ebb g\u1ea7n g\u0169i nh\u01b0ng ch\u00fang kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau. N\u00ean s\u1eed d\u1ee5ng th\u01b0\u1edbc \u0111o ren khi ch\u01b0a x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c ph\u1ea7n giao ph\u1ed1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ren th\u00f4 vs ch\u1ee7 \u0111\u1ec1 t\u1ed1t<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee3i th\u00f4<\/h3>\n\n\n\n<p>C\u00e1c s\u1ee3i th\u00f4 th\u01b0\u1eddng d\u1ec5 l\u1eafp r\u00e1p h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu b\u1ee5i b\u1ea9n, \u0103n m\u00f2n nh\u1eb9 v\u00e0 h\u01b0 h\u1ecfng nh\u1eb9 t\u1ed1t h\u01a1n. Trong b\u1ea3o tr\u00ec ngo\u00e0i tr\u1eddi v\u00e0 tr\u00ean bi\u1ec3n, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 h\u1eefu \u00edch v\u00ec c\u00e1c \u1ed1c v\u00edt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ho\u1eb7c th\u00e1o ra trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ee7 \u0111\u1ec1 t\u1ed1t<\/h3>\n\n\n\n<p>C\u00e1c lu\u1ed3ng t\u1ed1t c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t h\u01a1n v\u00e0 c\u00f3 th\u1ec3 mang l\u1ea1i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c lu\u1ed3ng m\u1ea1nh h\u01a1n trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng nh\u1ea5t \u0111\u1ecbnh. Tuy nhi\u00ean, ch\u00fang nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi b\u1ee5i b\u1ea9n, \u0103n m\u00f2n v\u00e0 h\u01b0 h\u1ecfng ch\u1ec9. Trong d\u1ecbch v\u1ee5 h\u00e0ng h\u1ea3i, c\u00e1c s\u1ee3i m\u1ea3nh c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp r\u00e1p s\u1ea1ch h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i ch\u1ee7 \u0111\u1ec1<\/th><th>Advantage<\/th><th>Limitation<\/th><\/tr><\/thead><tbody><tr><td>S\u1ee3i th\u00f4<\/td><td>L\u1eafp r\u00e1p d\u1ec5 d\u00e0ng h\u01a1n, kh\u1ea3 n\u0103ng ch\u1ecbu \u00f4 nhi\u1ec5m t\u1ed1t h\u01a1n<\/td><td>\u0110i\u1ec1u ch\u1ec9nh \u00edt tinh t\u1ebf h\u01a1n<\/td><\/tr><tr><td>S\u1ee3i m\u1ecbn<\/td><td>\u0110i\u1ec1u ch\u1ec9nh t\u1ed1t h\u01a1n v\u00e0 m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c cao h\u01a1n trong m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf<\/td><td>Nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi s\u1ef1 \u0103n m\u00f2n v\u00e0 b\u1ee5i b\u1ea9n<\/td><\/tr><tr><td>Ren t\u00f9y ch\u1ec9nh<\/td><td>Gi\u1ea3i quy\u1ebft nhu c\u1ea7u thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t<\/td><td>Y\u00eau c\u1ea7u b\u1ea3n v\u1ebd v\u00e0 ki\u1ec3m tra ch\u00ednh x\u00e1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau chu\u1ea9n, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> tr\u01b0\u1edbc khi quy\u1ebft \u0111\u1ecbnh xem m\u1ed9t ch\u1ee7 \u0111\u1ec1 chung c\u00f3 ph\u00f9 h\u1ee3p hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dung sai ch\u1ee7 \u0111\u1ec1 v\u00e0 ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1eebng b\u1ecf qua s\u1ef1 ph\u00f9 h\u1ee3p cu\u1ed1i c\u00f9ng sau khi ph\u1ee7<\/h3>\n\n\n\n<p>Dung sai ren ki\u1ec3m so\u00e1t m\u1ee9c \u0111\u1ed9 kh\u00edt c\u1ee7a ren nam v\u00e0 ren n\u1eef. Trong h\u1ec7 th\u1ed1ng s\u1ed1 li\u1ec7u, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 th\u1ea5y c\u00e1c tham chi\u1ebfu dung sai nh\u01b0 6g ho\u1eb7c 6H. Trong c\u00e1c lu\u1ed3ng inch th\u1ed1ng nh\u1ea5t, c\u00e1c l\u1edbp ph\u00f9 h\u1ee3p ph\u1ed5 bi\u1ebfn bao g\u1ed3m 2A v\u00e0 2B.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1c v\u00edt ch\u1ed1ng \u0103n m\u00f2n, s\u1ef1 l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra sau khi ph\u1ee7 ho\u1eb7c th\u1ee5 \u0111\u1ed9ng. M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, v\u1ea3y k\u1ebdm, PTFE v\u00e0 c\u00e1c l\u1edbp ph\u1ee7 kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 g\u1eafn k\u1ebft c\u1ee7a ren.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ho\u00e0n thi\u1ec7n ho\u1eb7c Ch\u1ea5t li\u1ec7u<\/th><th>Ch\u1ee7 \u0111\u1ec1 quan t\u00e2m<\/th><\/tr><\/thead><tbody><tr><td>304 th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>Nguy c\u01a1 b\u1ecb m\u00f2n n\u1ebfu l\u1eafp r\u00e1p kh\u00f4<\/td><\/tr><tr><td>316 th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>Kh\u1ea3 n\u0103ng kh\u00e1ng clorua t\u1ed1t h\u01a1n, v\u1eabn c\u1ea7n ki\u1ec3m so\u00e1t s\u1ef1 d\u1ed3n n\u00e9n<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9 k\u00e9p<\/td><td>\u0110\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao h\u01a1n, \u0111\u00f2i h\u1ecfi ph\u1ea3i k\u1ebft h\u1ee3p c\u1ea9n th\u1eadn<\/td><\/tr><tr><td>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td><td>\u0110\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 v\u1eeba v\u1eb7n c\u1ee7a \u0111ai \u1ed1c<\/td><\/tr><tr><td>v\u1ea3y k\u1ebdm<\/td><td>Ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y, ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t<\/td><\/tr><tr><td>PTFE l\u1edbp ph\u1ee7<\/td><td>Ma s\u00e1t th\u1ea5p thay \u0111\u1ed5i h\u00e0nh vi t\u1ea3i tr\u01b0\u1edbc m\u00f4-men xo\u1eafn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu l\u1ef1c, 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> v\u00e0 x\u00e1c nh\u1eadn xem l\u1edbp ph\u1ee7 v\u00e0 m\u1ed1i n\u1ed1i ren c\u00f3 t\u01b0\u01a1ng th\u00edch hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ee3i th\u00e9p kh\u00f4ng g\u1ec9<\/h2>\n\n\n\n<p>Ren th\u00e9p kh\u00f4ng g\u1ec9 c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t trong qu\u00e1 tr\u00ecnh si\u1ebft ch\u1eb7t, \u0111\u1eb7c bi\u1ec7t khi v\u1eadt li\u1ec7u bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c t\u01b0\u01a1ng t\u1ef1 nhau, ren th\u00f4 ho\u1eb7c t\u1ed1c \u0111\u1ed9 l\u1eafp \u0111\u1eb7t cao. Galling kh\u00f4ng gi\u1ed1ng nh\u01b0 \u0103n m\u00f2n. \u0110\u00f3 l\u00e0 m\u1ed9t h\u01b0 h\u1ecfng li\u00ean quan \u0111\u1ebfn ma s\u00e1t gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t ren.<\/p>\n\n\n\n<p>\u0110\u1ec3 gi\u1ea3m nguy c\u01a1 d\u1ed3n n\u00e9n:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng c\u00e1c s\u1ee3i s\u1ea1ch, c\u00f3 h\u00ecnh d\u1ea1ng t\u1ed1t.<\/li>\n\n\n\n<li>Tr\u00e1nh kh\u1edfi \u0111\u1ed9ng s\u1ee3i b\u1ecb h\u1ecfng ho\u1eb7c b\u1ecb ch\u00f4n v\u00f9i.<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u0111ai \u1ed1c v\u00e0 bu l\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/li>\n\n\n\n<li>Xem x\u00e9t h\u1ee3p ch\u1ea5t ch\u1ed1ng co gi\u1eadt ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n<li>Th\u1eaft ch\u1eb7t \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/li>\n\n\n\n<li>Tr\u00e1nh bu\u1ed9c c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ch\u1eb7t ch\u1ebd.<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng h\u1ea3i, 316 th\u00e9p kh\u00f4ng g\u1ec9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng h\u01a1n 304 trong m\u00f4i tr\u01b0\u1eddng clorua, nh\u01b0ng n\u00f3 v\u1eabn y\u00eau c\u1ea7u x\u1eed l\u00fd ren ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 d\u00e0i v\u00e0 m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c c\u1ee7a ch\u1ee7 \u0111\u1ec1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea7n \u0111\u1ee7 s\u1ef1 tham gia<\/h3>\n\n\n\n<p>S\u1ef1 tham gia c\u1ee7a ch\u1ee7 \u0111\u1ec1 ph\u1ea3i \u0111\u1ee7 \u0111\u1ec3 mang t\u1ea3i. Qu\u00e1 \u00edt s\u1ef1 tham gia c\u00f3 th\u1ec3 g\u00e2y ra t\u01b0\u1edbc. Qu\u00e1 nhi\u1ec1u s\u1ee3i l\u1ed9 ra c\u00f3 th\u1ec3 gi\u1eef \u0111\u1ed9 \u1ea9m v\u00e0 t\u0103ng nguy c\u01a1 \u0103n m\u00f2n.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi bu l\u00f4ng, \u0111inh t\u00e1n v\u00e0 thanh ren, ghi r\u00f5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>chi\u1ec1u d\u00e0i t\u1ed5ng th\u1ec3<\/li>\n\n\n\n<li>Chi\u1ec1u d\u00e0i s\u1ee3i<\/li>\n\n\n\n<li>Ren to\u00e0n b\u1ed9 ho\u1eb7c ch\u1ee7 \u0111\u1ec1 m\u1ed9t ph\u1ea7n<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0i \u0111\u00ednh k\u00e8m c\u1ee7a \u0111ai \u1ed1c<\/li>\n\n\n\n<li>Ph\u1ee5 c\u1ea5p ch\u1ee7 \u0111\u1ec1 ti\u1ebfp x\u00fac<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u l\u1edbp ph\u1ee7 tr\u00ean v\u00f9ng ren<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi chi\u1ec1u d\u00e0i ren \u0111\u1eb7c bi\u1ec7t, <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 b\u1ea3n v\u1ebd ho\u1eb7c m\u1eabu \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00f2ng \u0111\u1ec7m v\u00e0 \u0111ai \u1ed1c ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<p>C\u00e1c t\u1ed5 h\u1ee3p h\u00e0ng h\u1ea3i c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t nh\u01b0 m\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u1ea7y \u0111\u1ee7. M\u1ed9t bu-l\u00f4ng ch\u1ed1ng \u0103n m\u00f2n s\u1eed d\u1ee5ng sai v\u00f2ng \u0111\u1ec7m ho\u1eb7c \u0111ai \u1ed1c v\u1eabn c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<p>V\u00f2ng \u0111\u1ec7m gi\u00fap ph\u00e2n ph\u1ed1i t\u1ea3i v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t. Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 ki\u1ec3m tra <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/washers\/\">s\u1ea3n ph\u1ea9m v\u00f2ng \u0111\u1ec7m<\/a> khi kh\u1edbp bu l\u00f4ng, \u0111ai \u1ed1c v\u00e0 b\u1ec1 m\u1eb7t \u1ed5 tr\u1ee5c.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ph\u1ea7n l\u1eafp r\u00e1p<\/th><th>Nh\u1eefng g\u00ec c\u1ea7n x\u00e1c nh\u1eadn<\/th><\/tr><\/thead><tbody><tr><td>Bu l\u00f4ng ho\u1eb7c \u0111inh t\u00e1n<\/td><td>Ch\u1ea5t li\u1ec7u, b\u01b0\u1edbc ren, chi\u1ec1u d\u00e0i ren, l\u1edbp ph\u1ee7<\/td><\/tr><tr><td>h\u1ea1t<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1, v\u1eadt li\u1ec7u, l\u1edbp, l\u1edbp ph\u1ee7<\/td><\/tr><tr><td>V\u00f2ng \u0111\u1ec7m<\/td><td>Ch\u1ea5t li\u1ec7u, \u0111\u1ed9 c\u1ee9ng, OD, ID, \u0111\u1ed9 ho\u00e0n thi\u1ec7n<\/td><\/tr><tr><td>Lubricant<\/td><td>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c s\u1ee3i kh\u00f4ng g\u1ec9 ho\u1eb7c \u0111\u01b0\u1ee3c ph\u1ee7<\/td><\/tr><tr><td>Documents<\/td><td>MTC, b\u00e1o c\u00e1o ki\u1ec3m tra, b\u00e1o c\u00e1o l\u1edbp ph\u1ee7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra cho Ch\u1ed1t ren H\u00e0ng h\u1ea3i<\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng, cung c\u1ea5p:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>H\u1ec7 th\u1ed1ng ren: h\u1ec7 m\u00e9t, UNC, UNF, ho\u1eb7c b\u1ea3n v\u1ebd<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng k\u00ednh, b\u01b0\u1edbc v\u00e0 chi\u1ec1u d\u00e0i ren<\/li>\n\n\n\n<li>Dung sai ren ho\u1eb7c l\u1edbp ph\u00f9 h\u1ee3p n\u1ebfu \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u: 304, 316, th\u00e9p kh\u00f4ng g\u1ec9 song, th\u00e9p h\u1ee3p kim, ho\u1eb7c th\u00e9p cacbon ph\u1ee7<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ho\u1eb7c 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\n\n\n<li>M\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m bi\u1ec3n: trong nh\u00e0, ven bi\u1ec3n, v\u00f9ng n\u01b0\u1edbc b\u1eafn tung t\u00f3e, ngo\u00e0i kh\u01a1i<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4-men xo\u1eafn, b\u00f4i tr\u01a1n ho\u1eb7c ch\u1ed1ng b\u00f3 c\u1ee9ng<\/li>\n\n\n\n<li>C\u00e1c t\u00e0i li\u1ec7u ki\u1ec3m tra c\u1ea7n thi\u1ebft<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn ren cho c\u00e1c \u1ed1c v\u00edt h\u00e0ng h\u1ea3i v\u00e0 \u1ed1c v\u00edt ch\u1ed1ng \u0103n m\u00f2n ph\u1ea3i d\u1ef1a tr\u00ean c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. Ren th\u00f4 th\u01b0\u1eddng ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng l\u1eafp r\u00e1p kh\u1eafc nghi\u1ec7t. Ch\u1ee7 \u0111\u1ec1 t\u1ed1t c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Th\u00e9p kh\u00f4ng g\u1ec9 c\u1ea7n ki\u1ec3m so\u00e1t m\u1ea1nh m\u1ebd. C\u00e1c s\u1ee3i \u0111\u01b0\u1ee3c ph\u1ee7 c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ed9 kh\u00edt l\u1ea7n cu\u1ed1i.<\/p>\n\n\n\n<p>Ph\u01b0\u01a1ng ph\u00e1p mua h\u00e0ng an to\u00e0n nh\u1ea5t l\u00e0 x\u00e1c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng ren, b\u01b0\u1edbc ren, dung sai, chi\u1ec1u d\u00e0i ren, v\u1eadt li\u1ec7u, l\u1edbp ph\u1ee7 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn ph\u00f9 h\u1ee3p tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u \u0111\u00f3 ng\u0103n ng\u1eeba vi\u1ec7c ph\u00e2n ph\u1ed1i sai ren, l\u1eafp r\u00e1p k\u00e9m, k\u1eb9t v\u00e0 h\u1ecfng \u0103n m\u00f2n s\u1edbm.<\/p>","protected":false},"excerpt":{"rendered":"<p>Marine fasteners are judged by more than material grade. Thread selection also matters. In salt air, splash zones, humid storage, and offshore equipment, the thread is often the first area where corrosion, galling, or assembly problems appear. A bolt may be made from 316 stainless steel or protected by a corrosion-resistant coating, but if the [&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-6630","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\/6630","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=6630"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6630\/revisions"}],"predecessor-version":[{"id":6631,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6630\/revisions\/6631"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6630"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6630"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}