{"id":7075,"date":"2025-10-09T17:21:32","date_gmt":"2025-10-09T09:21:32","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7075"},"modified":"2026-06-23T17:22:39","modified_gmt":"2026-06-23T09:22:39","slug":"how-to-specify-ptfe-coating-for-stud-bolts-and-nuts","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/how-to-specify-ptfe-coating-for-stud-bolts-and-nuts\/","title":{"rendered":"C\u00e1ch x\u00e1c \u0111\u1ecbnh l\u1edbp ph\u1ee7 cho bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c (PTFE)"},"content":{"rendered":"<p>Khi m\u1ed9t \u0111\u1ed9i m\u1eb7t b\u00edch m\u1edf m\u1ed9t th\u00f9ng bu l\u00f4ng \u0111inh t\u00e1n \u0111\u01b0\u1ee3c tr\u00e1ng, \u0111i\u1ec1u \u0111\u1ea7u ti\u00ean h\u1ecd th\u01b0\u1eddng ki\u1ec3m tra l\u00e0 m\u00e0u s\u1eafc. \u0110i\u1ec1u \u0111\u00f3 l\u00e0 kh\u00f4ng \u0111\u1ee7. T\u00f4i \u0111\u00e3 th\u1ea5y c\u00e1c \u0111inh t\u00e1n \u0111\u01b0\u1ee3c ph\u1ee7 m\u00e0u xanh l\u00e1 c\u00e2y tr\u00f4ng s\u1ea1ch s\u1ebd tr\u00ean pallet, sau \u0111\u00f3 g\u00e2y r\u1eafc r\u1ed1i v\u00ec \u0111ai \u1ed1c v\u1eeba kh\u00edt, m\u1eb7t v\u00f2ng \u0111\u1ec7m tr\u01a1n ho\u1eb7c gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn \u0111\u01b0\u1ee3c sao ch\u00e9p t\u1eeb m\u1ed9t bu-l\u00f4ng m\u00e0u \u0111en. (PTFE)<\/p>\n\n\n\n<p>L\u1edbp ph\u1ee7 cho bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c \u0111inh t\u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng bu\u1ed9c ch\u1eb7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. \u0110\u1ec3 bi\u1ebft c\u00e1c t\u00f9y ch\u1ecdn li\u00ean quan, h\u00e3y xem XZ Fastener (PTFE) <a href=\"https:\/\/xzfastener.com\/vi\/fastener-coating\/teflon-coating\/\">PTFE \/ \u1ed0c v\u00edt ph\u1ee7 Teflon<\/a> v\u00e0 <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\">PTFE L\u1edbp ph\u1ee7 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t m\u00e0u s\u1eafc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1edbp ph\u1ee7 ph\u1ea3i l\u00e0m g\u00ec<\/h3>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u01b0\u1ee3c ph\u1ee7 fluoropolymer ho\u1eb7c PTFE th\u00edch h\u1ee3p th\u01b0\u1eddng k\u1ebft h\u1ee3p l\u1edbp n\u1ec1n ch\u1ed1ng \u0103n m\u00f2n v\u1edbi l\u1edbp tr\u00ean c\u00f9ng c\u00f3 \u0111\u1ed9 ma s\u00e1t th\u1ea5p. M\u00f4-men xo\u1eafn t\u01b0\u01a1ng t\u1ef1 c\u00f3 th\u1ec3 t\u1ea1o ra t\u1ea3i tr\u01b0\u1edbc kh\u00e1c so v\u1edbi \u1ed1c v\u00edt tr\u01a1n, m\u1ea1 k\u1ebdm ho\u1eb7c m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Requirement<\/th><th>T\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/th><th>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh n\u00f3<\/th><\/tr><\/thead><tbody><tr><td>Ch\u1ed1ng \u0103n m\u00f2n<\/td><td>B\u1ea3o v\u1ec7 c\u00e1c ren h\u1edf v\u00e0 c\u00e1c kho\u1ea3ng tr\u1ed1ng m\u1eb7t b\u00edch<\/td><td>Y\u00eau c\u1ea7u s\u1ed1 gi\u1edd phun mu\u1ed1i v\u00e0 \u0111\u1ea1t ti\u00eau ch\u00ed<\/td><\/tr><tr><td>Ma s\u00e1t th\u1ea5p<\/td><td>H\u1ed7 tr\u1ee3 si\u1ebft ch\u1eb7t v\u00e0 th\u00e1o g\u1ee1 sau n\u00e0y<\/td><td>Y\u00eau c\u1ea7u d\u1eef li\u1ec7u l\u1ef1c c\u0103ng m\u00f4-men xo\u1eafn ho\u1eb7c ph\u1ea1m vi h\u1ec7 s\u1ed1 K<\/td><\/tr><tr><td>Ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1<\/td><td>Ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng gi\u1eef \u0111ai \u1ed1c sau khi t\u00edch t\u1ee5 l\u1edbp ph\u1ee7<\/td><td>Tr\u1ea1ng th\u00e1i ph\u00f9 h\u1ee3p sau s\u01a1n<\/td><\/tr><tr><td>Adhesion<\/td><td>Tr\u00e1nh bong tr\u00f3c khi \u0111ai \u1ed1c ch\u1ea1y xu\u1ed1ng<\/td><td>Y\u00eau c\u1ea7u \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 ki\u1ec3m tra tr\u1ef1c quan<\/td><\/tr><tr><td>M\u00e3 m\u00e0u<\/td><td>Gi\u00fap nh\u1eadn d\u1ea1ng trang web<\/td><td>M\u00e0u tr\u1ea1ng th\u00e1i, kh\u00f4ng ch\u1ec9 m\u00e0u<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>PO ch\u1ec9 n\u00f3i \u201cPTFE \u0111\u01b0\u1ee3c ph\u1ee7, m\u00e0u xanh l\u00e1 c\u00e2y\u201d kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. \u0110\u00f3 l\u00e0 s\u1ef1 ph\u1ecfng \u0111o\u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1eaft \u0111\u1ea7u v\u1edbi ti\u00eau chu\u1ea9n \u0111inh t\u00e1n v\u00e0 \u0111ai \u1ed1c c\u01a1 b\u1ea3n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00f9 h\u1ee3p v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi ph\u1ee7<\/h3>\n\n\n\n<p>Ti\u00eau chu\u1ea9n chi ti\u1ebft si\u1ebft ch\u1eb7t c\u01a1 s\u1edf \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u. L\u1edbp ph\u1ee7 kh\u00f4ng th\u1ec3 s\u1eeda ch\u1eefa m\u1ed9t l\u1edbp sai. \u0110\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u1ed1ng \u00e1p l\u1ef1c v\u00e0 b\u1eaft v\u00edt m\u1eb7t b\u00edch, nhi\u1ec1u d\u1ef1 \u00e1n s\u1eed d\u1ee5ng bu l\u00f4ng \u0111inh t\u00e1n v\u1edbi \u0111ai \u1ed1c l\u1ee5c gi\u00e1c n\u1eb7ng. Trong thi\u1ebft b\u1ecb h\u1ec7 m\u00e9t, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111inh t\u00e1n c\u00f3 ren DIN ho\u1eb7c ISO v\u1edbi \u0111ai \u1ed1c DIN 934 ho\u1eb7c ISO 4032. (ASTM A193, ASTM A194)<\/p>\n\n\n\n<p>N\u1ebfu c\u1ea7n th\u00e9p carbon ho\u1eb7c th\u00e9p h\u1ee3p kim, h\u00e3y ki\u1ec3m tra XZ Fastener <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/carbon-steel\/\">\u1ed1c v\u00edt th\u00e9p carbon<\/a> cho c\u00e1c l\u1edbp ph\u1ed5 bi\u1ebfn v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn ho\u00e0n thi\u1ec7n.<\/p>\n\n\n\n<p>C\u00e1c c\u1eb7p ph\u1ed5 bi\u1ebfn bao g\u1ed3m ASTM A193 B7 v\u1edbi ASTM A194 2H \u0111ai \u1ed1c, ASTM A320 L7 v\u1edbi \u0111ai \u1ed1c C\u1ea5p, v\u00e0 ASTM A193 B8\/B8M v\u1edbi C\u1ea5p 8\/8M \u0111ai \u1ed1c. \u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb h\u1ec7 m\u00e9t, h\u00e3y x\u00e1c nh\u1eadn c\u00e1c y\u00eau c\u1ea7u v\u1ec1 lu\u1ed3ng DIN ho\u1eb7c ISO.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">X\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng h\u1ec7 th\u1ed1ng l\u1edbp ph\u1ee7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng ch\u00fa th\u00edch ho\u00e0n ch\u1ec9nh<\/h3>\n\n\n\n<p>Khi mua th\u1ef1c t\u1ebf, \u201cl\u1edbp ph\u1ee7\u201d c\u00f3 th\u1ec3 c\u00f3 ngh\u0129a l\u00e0 l\u1edbp ph\u1ee7 k\u1ebdm c\u1ed9ng v\u1edbi l\u1edbp ph\u1ee7 ngo\u00e0i, l\u1edbp ph\u1ee7 ph\u1ed1t ph\u00e1t c\u1ed9ng v\u1edbi fluoropolymer, l\u1edbp ph\u1ee7 n\u1ec1n ch\u1ee9a nh\u00f4m v\u1edbi l\u1edbp ph\u1ee7 ngo\u00e0i h\u1eefu c\u01a1 ho\u1eb7c h\u1ec7 th\u1ed1ng lo\u1ea1i Xylan c\u00f3 th\u01b0\u01a1ng hi\u1ec7u. \u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 d\u1ea7u kh\u00ed ho\u1eb7c h\u00f3a ch\u1ea5t, c\u1ea7n x\u00e1c \u0111\u1ecbnh h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7 ch\u1ee9 kh\u00f4ng ch\u1ec9 m\u00e0u s\u1eafc cu\u1ed1i c\u00f9ng. (PTFE, RFQ)<\/p>\n\n\n\n<p>M\u1ed9t ch\u00fa th\u00edch th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 \u0111\u1ecdc:<\/p>\n\n\n\n<p>\u201cASTM A193 B7 bu l\u00f4ng \u0111inh t\u00e1n v\u1edbi ASTM A194 2H \u0111ai \u1ed1c l\u1ee5c gi\u00e1c n\u1eb7ng, 1-8 UNC, PTFE l\u1edbp ph\u1ee7 fluoropolymer, m\u00e0u xanh l\u00e1 c\u00e2y, \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 20\u201330 \u03bcm tr\u1eeb khi \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t kh\u00e1c, S\u1ee3i sau ph\u1ee7 v\u1eeba kh\u00edt ch\u1ea1y t\u1ef1 do b\u1eb1ng tay, th\u1eed nghi\u1ec7m phun mu\u1ed1i 720 gi\u1edd \u0111\u1ebfn ASTM B117 kh\u00f4ng c\u00f3 g\u1ec9 \u0111\u1ecf \u1edf c\u00e1c khu v\u1ef1c ch\u1ee9c n\u0103ng, c\u1ea7n c\u00f3 ch\u1ee9ng ch\u1ec9.\u201d<\/p>\n\n\n\n<p>\u0110\u1ed9 d\u00e0y ch\u00ednh x\u00e1c v\u00e0 s\u1ed1 gi\u1edd phun mu\u1ed1i ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n. Kh\u00f4ng sao ch\u00e9p s\u1ed1 t\u1eeb c\u00f4ng vi\u1ec7c kh\u00e1c m\u00e0 kh\u00f4ng ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p si\u1ebft ch\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ki\u1ec3m so\u00e1t \u0111\u1ed9 v\u1eeba kh\u00edt v\u00e0 m\u00f4-men xo\u1eafn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee3i ch\u1ec9 l\u00e0 n\u01a1i xu\u1ea5t hi\u1ec7n c\u00e1c l\u1ed7i v\u1ec1 l\u1edbp ph\u1ee7<\/h3>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c khi\u1ebfu n\u1ea1i \u0111\u1ec1u xu\u1ea5t hi\u1ec7n t\u1ea1i ch\u1ee7 \u0111\u1ec1. Qu\u00e1 nhi\u1ec1u l\u1edbp ph\u1ee7 tr\u00ean \u0111\u1ec9nh c\u00f3 th\u1ec3 l\u00e0m cho \u0111ai \u1ed1c b\u1ecb ch\u1eb7t. Qu\u00e1 \u00edt l\u1edbp ph\u1ee7 \u1edf g\u1ed1c c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i \u0111\u01b0\u1eddng \u0103n m\u00f2n. C\u00e1c \u0111ai \u1ed1c nh\u1ea1y c\u1ea3m h\u01a1n v\u00ec c\u00e1c s\u1ee3i b\u00ean trong kh\u00f3 ph\u1ee7 \u0111\u1ec1u h\u01a1n.<\/p>\n\n\n\n<p>H\u00e3y ch\u1ec9 r\u00f5 nh\u1eefng \u0111i\u1ec3m n\u00e0y:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n ren v\u00e0 l\u1edbp tr\u01b0\u1edbc khi ph\u1ee7.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u l\u1eafp ren sau khi ph\u1ee7.<\/li>\n\n\n\n<li>Li\u1ec7u c\u1ea3 ren \u0111inh t\u00e1n v\u00e0 \u0111ai \u1ed1c c\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 hay kh\u00f4ng.<\/li>\n\n\n\n<li>Li\u1ec7u v\u00f2ng \u0111\u1ec7m c\u00f3 s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee7 hay kh\u00f4ng.<\/li>\n\n\n\n<li>Cho d\u00f9 \u0111i\u1ec3m cu\u1ed1i hay lu\u1ed3ng \u0111\u1ea7u ti\u00ean \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c che ch\u1eafn.<\/li>\n<\/ol>\n\n\n\n<p>Ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n t\u1ea1i nh\u00e0 m\u00e1y l\u00e0 ch\u1ea1y \u0111ai \u1ed1c ph\u00f9 h\u1ee3p tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i ren b\u1eb1ng tay. N\u1ebfu c\u00f4ng nh\u00e2n c\u1ea7n c\u1edd l\u00ea tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u si\u1ebft ch\u1eb7t th\u00ec vi\u1ec7c x\u00e2y d\u1ef1ng l\u1edbp ph\u1ee7 \u0111\u00e3 t\u1ea1o ra r\u1ee7i ro.<\/p>\n\n\n\n<p>PTFE c\u0169ng thay \u0111\u1ed5i h\u00e0nh vi th\u1eaft ch\u1eb7t. N\u1ebfu ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t s\u1eed d\u1ee5ng c\u00e1c gi\u00e1 tr\u1ecb m\u00f4 men xo\u1eafn c\u0169 t\u1eeb bu l\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7, m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb c\u0103ng qu\u00e1 m\u1ee9c. Ph\u01b0\u01a1ng ph\u00e1p an to\u00e0n nh\u1ea5t l\u00e0 ki\u1ec3m tra \u0111\u1ed9 c\u0103ng m\u00f4-men xo\u1eafn tr\u00ean c\u00e1c c\u1ee5m m\u1eabu b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111i\u1ec1u ki\u1ec7n ch\u1ed1t, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, l\u1edbp ph\u1ee7 v\u00e0 b\u00f4i tr\u01a1n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec3m ki\u1ec3m tra tr\u01b0\u1edbc khi giao h\u00e0ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng g\u00ec c\u1ea7n ki\u1ec3m tra t\u1ea1i nh\u00e0 m\u00e1y<\/h3>\n\n\n\n<p>Ngo\u1ea1i h\u00ecnh th\u00f4i l\u00e0 ch\u01b0a \u0111\u1ee7. K\u1ebf ho\u1ea1ch ki\u1ec3m tra th\u1ef1c t\u1ebf ph\u1ea3i bao g\u1ed3m:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ki\u1ec3m tra m\u1ee5c<\/th><th>Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra<\/th><th>L\u00fd do t\u1eeb ch\u1ed1i ph\u1ed5 bi\u1ebfn<\/th><\/tr><\/thead><tbody><tr><td>\u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7<\/td><td>M\u00e1y \u0111o l\u1edbp ph\u1ee7 t\u1eeb t\u00ednh ho\u1eb7c \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t<\/td><td>Qu\u00e1 m\u1ecfng \u1edf c\u00e1c c\u1ea1nh ho\u1eb7c qu\u00e1 d\u00e0y \u1edf c\u00e1c \u0111\u01b0\u1eddng ch\u1ec9<\/td><\/tr><tr><td>Ph\u00f9 h\u1ee3p v\u1edbi ch\u1ee7 \u0111\u1ec1<\/td><td>Th\u1eed nghi\u1ec7m ch\u1ea1y xu\u1ed1ng \u0111ai \u1ed1c ph\u00f9 h\u1ee3p<\/td><td>L\u1eafp r\u00e1p ch\u1eb7t ch\u1ebd sau khi ph\u1ee7<\/td><\/tr><tr><td>B\u1ec1 m\u1eb7t th\u1ecb gi\u00e1c<\/td><td>100% ki\u1ec3m tra tr\u1ef1c quan<\/td><td>\u0110i\u1ec3m tr\u1ea7n, bong tr\u00f3c, v\u1ebft nh\u1ecf gi\u1ecdt n\u1eb7ng<\/td><\/tr><tr><td>X\u1ecbt mu\u1ed1i<\/td><td>ASTM B117 \/ ISO 9227 report<\/td><td>R\u1ec9 s\u00e9t m\u00e0u \u0111\u1ecf tr\u01b0\u1edbc gi\u1edd y\u00eau c\u1ea7u<\/td><\/tr><tr><td>Documents<\/td><td>MTC, b\u00e1o c\u00e1o l\u1edbp ph\u1ee7, truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/td><td>Thi\u1ebfu s\u1ed1 nhi\u1ec7t ho\u1eb7c l\u00f4 h\u1ed7n h\u1ee3p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Th\u1eed nghi\u1ec7m phun mu\u1ed1i r\u1ea5t h\u1eefu \u00edch \u0111\u1ec3 so s\u00e1nh ch\u1ea5t l\u01b0\u1ee3ng l\u1edbp ph\u1ee7, nh\u01b0ng n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ef1 \u0111o\u00e1n ho\u00e0n h\u1ea3o v\u1ec1 cu\u1ed9c s\u1ed1ng th\u1ef1c t\u1ebf ngo\u00e0i tr\u1eddi. \u0110\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 ngo\u00e0i kh\u01a1i, h\u00f3a ch\u1ea5t ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao, h\u00e3y xem x\u00e9t m\u1ee9c \u0111\u1ed9 ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng, tia c\u1ef1c t\u00edm, nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 chu k\u1ef3 b\u1ea3o tr\u00ec.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra d\u00e0nh cho PTFE Bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c c\u00f3 l\u1edbp ph\u1ee7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">G\u1eedi th\u00f4ng tin n\u00e0y \u0111\u1ec3 tr\u00e1nh ph\u1ea3i l\u00e0m l\u1ea1i<\/h3>\n\n\n\n<p>Bao g\u1ed3m nh\u1eefng chi ti\u1ebft n\u00e0y trong RFQ:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n stud v\u00e0 \u0111ai \u1ed1c: ASTM A193 B7 \/ ASTM A194 2H, ho\u1eb7c d\u1ef1 \u00e1n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u01b0\u1eddng ren: 3\/4\u201d-10 UNC \u00d7 6\u201d, M20 \u00d7 150, ho\u1eb7c k\u00edch th\u01b0\u1edbc b\u1ea3n v\u1ebd.<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng ph\u1ee7: PTFE l\u1edbp ph\u1ee7 ngo\u00e0i fluoropolymer v\u1edbi l\u1edbp s\u01a1n n\u1ec1n \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m tra: \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n, ch\u1eb3ng h\u1ea1n nh\u01b0 480, 720, ho\u1eb7c 1,000 gi\u1edd phun mu\u1ed1i.<\/li>\n\n\n\n<li>D\u1eef li\u1ec7u m\u00f4-men xo\u1eafn: b\u1eaft bu\u1ed9c khi l\u1eafp r\u00e1p m\u1eabu khi t\u1ea3i tr\u01b0\u1edbc l\u00e0 quan tr\u1ecdng.<\/li>\n\n\n\n<li>\u0110\u00f3ng g\u00f3i: b\u1ea3o v\u1ec7 b\u1eb1ng ch\u1ec9, t\u00e1ch theo l\u00f4, d\u00e1n nh\u00e3n theo k\u00edch c\u1ee1 v\u00e0 s\u1ed1 nhi\u1ec7t.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh, l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t ho\u1eb7c ch\u1ee9ng ch\u1ec9 d\u00e0nh ri\u00eang cho d\u1ef1 \u00e1n, h\u00e3y g\u1eedi b\u1ea3n v\u1ebd v\u00e0 \u0111i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5 qua <a href=\"https:\/\/xzfastener.com\/vi\/home\/contact-us\/\">XZ Fastener Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>When a flange crew opens a crate of PTFE coated stud bolts, the first thing they usually check is color. That is not enough. I have seen green-coated studs look clean on the pallet, then cause trouble because the nut fit was tight, the washer face was plain, or the torque value was copied from [&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":[503],"class_list":["post-7075","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-surface-finishes-corrosion-resistance"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7075","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=7075"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7075\/revisions"}],"predecessor-version":[{"id":7076,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7075\/revisions\/7076"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}