{"id":6565,"date":"2020-12-10T17:30:30","date_gmt":"2020-12-10T09:30:30","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6565"},"modified":"2026-06-17T17:32:19","modified_gmt":"2026-06-17T09:32:19","slug":"surface-finish-comparison-chart-for-industrial-fastener-buyers","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/surface-finish-comparison-chart-for-industrial-fastener-buyers\/","title":{"rendered":"Bi\u1ec3u \u0111\u1ed3 so s\u00e1nh \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t d\u00e0nh cho ng\u01b0\u1eddi mua chi ti\u1ebft si\u1ebft ch\u1eb7t c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"

B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n l\u00e0 m\u1ed9t trong nh\u1eefng chi ti\u1ebft chi ti\u1ebft si\u1ebft ch\u1eb7t d\u1ec5 b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p nh\u1ea5t. Nhi\u1ec1u ng\u01b0\u1eddi mua y\u00eau c\u1ea7u \u201cbu l\u00f4ng m\u1ea1 k\u1ebdm\u201d ho\u1eb7c \u201c\u1ed1c v\u00edt ch\u1ed1ng g\u1ec9\u201d, nh\u01b0ng nh\u1eefng \u0111i\u1ec1u kho\u1ea3n \u0111\u00f3 kh\u00f4ng \u0111\u1ee7 ch\u00ednh x\u00e1c \u0111\u1ec3 mua h\u00e0ng c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n

L\u1edbp ho\u00e0n thi\u1ec7n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, \u0111\u1ed9 kh\u00edt c\u1ee7a ren, h\u00ecnh th\u1ee9c b\u00ean ngo\u00e0i, \u0111\u1eb7c t\u00ednh m\u00f4-men xo\u1eafn, chi ph\u00ed v\u00e0 th\u1eddi gian s\u1ea3n xu\u1ea5t. Ch\u1ecdn sai l\u1edbp ho\u00e0n thi\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra r\u1ec9 s\u00e9t, l\u1eafp r\u00e1p ch\u1eb7t ch\u1ebd, h\u01b0 h\u1ecfng l\u1edbp ph\u1ee7 ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ea3o tr\u00ec s\u1edbm.<\/p>\n\n\n\n

T\u1ea1i sao vi\u1ec7c ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t Fastener l\u1ea1i quan tr\u1ecdng<\/h2>\n\n\n\n

Ch\u1ed1t th\u01b0\u1eddng ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, kh\u00f4ng kh\u00ed mu\u1ed1i, h\u00f3a ch\u1ea5t, th\u1eddi ti\u1ebft ngo\u00e0i tr\u1eddi ho\u1eb7c x\u1eed l\u00fd nhi\u1ec1u l\u1ea7n. Bu l\u00f4ng b\u1eb1ng th\u00e9p carbon tr\u01a1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong nh\u00e0 nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 b\u1ecb r\u1ec9 s\u00e9t nhanh ch\u00f3ng khi b\u1ea3o qu\u1ea3n ho\u1eb7c s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua so s\u00e1nh c\u00e1c l\u1ef1a ch\u1ecdn kh\u00e1c nhau, vi\u1ec7c xem x\u00e9t c\u00e1c l\u1ef1a ch\u1ecdn s\u1eb5n c\u00f3 s\u1ebd r\u1ea5t h\u1eefu \u00edch \u1ed1c v\u00edt tr\u00e1ng<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn RFQ.<\/p>\n\n\n\n

Bi\u1ec3u \u0111\u1ed3 so s\u00e1nh b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n<\/h2>\n\n\n\n
Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/th>S\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\u01afu \u0111i\u1ec3m ch\u00ednh<\/th>H\u1ea1n ch\u1ebf ch\u00ednh<\/th><\/tr><\/thead>
\u0110\u1ed3ng b\u1eb1ng \/ D\u1ea7u<\/td>L\u01b0u tr\u1eef trong nh\u00e0, b\u1ea3o v\u1ec7 t\u1ea1m th\u1eddi<\/td>Chi ph\u00ed th\u1ea5p, d\u1ec5 d\u00e0ng l\u1eafp ren<\/td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n k\u00e9m<\/td><\/tr>
m\u1ea1 k\u1ebdm<\/td>M\u00e1y m\u00f3c t\u1ed5ng h\u1ee3p, thi\u1ebft b\u1ecb trong nh\u00e0<\/td>Ngo\u1ea1i h\u00ecnh s\u1ea1ch s\u1ebd, ti\u1ebft ki\u1ec7m<\/td>H\u1ea1n ch\u1ebf b\u1ea3o v\u1ec7 ngo\u00e0i tr\u1eddi<\/td><\/tr>
M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td>X\u00e2y d\u1ef1ng, k\u1ebft c\u1ea5u th\u00e9p, c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi<\/td>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh m\u1ebd<\/td>L\u1edbp ph\u1ee7 d\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 kh\u00edt c\u1ee7a ren<\/td><\/tr>
Oxit \u0111en<\/td>M\u00e1y m\u00f3c, d\u1ee5ng c\u1ee5, c\u00e1c b\u1ed9 ph\u1eadn t\u1eadp trung v\u00e0o ngo\u1ea1i h\u00ecnh<\/td>M\u00e0u t\u1ed1i, v\u1ebb ngo\u00e0i m\u1ecbn m\u00e0ng<\/td>H\u1ea1n ch\u1ebf ch\u1ed1ng r\u1ec9 s\u00e9t<\/td><\/tr>
Dacromet \/ K\u1ebdm v\u1ea3y<\/td>\u00d4 t\u00f4, ngo\u00e0i tr\u1eddi, \u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/td>Ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t v\u1edbi \u0111\u1ed9 d\u00e0y \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td>Chi ph\u00ed cao h\u01a1n m\u1ea1 k\u1ebdm c\u01a1 b\u1ea3n<\/td><\/tr>
PTFE L\u1edbp ph\u1ee7<\/td>C\u00e1c b\u1ed9 ph\u1eadn h\u00f3a h\u1ecdc, m\u1eb7t b\u00edch v\u00e0 \u0111\u1eb7c bi\u1ec7t<\/td>Ma s\u00e1t th\u1ea5p v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t<\/td>Gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t l\u1ea1i<\/td><\/tr>
Passivation<\/td>\u1ed0c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/td>C\u1ea3i thi\u1ec7n t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t kh\u00f4ng g\u1ec9<\/td>Kh\u00f4ng th\u1ec3 thay th\u1ebf cho lo\u1ea1i v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn k\u1ebft th\u00fac ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n

B\u1eaft \u0111\u1ea7u v\u1edbi M\u00f4i tr\u01b0\u1eddng<\/h3>\n\n\n\n

\u0110\u1ec3 s\u1eed d\u1ee5ng trong nh\u00e0 kh\u00f4 r\u00e1o, m\u1ea1 k\u1ebdm c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7. \u0110\u1ed1i v\u1edbi k\u1ebft c\u1ea5u th\u00e9p ngo\u00e0i tr\u1eddi, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng th\u01b0\u1eddng ph\u00f9 h\u1ee3p h\u01a1n. \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, ven bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t, ng\u01b0\u1eddi mua c\u0169ng n\u00ean so s\u00e1nh \u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a>.<\/p>\n\n\n\n

Ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n v\u00e0 r\u1ee7i ro l\u1edbp ph\u1ee7<\/h3>\n\n\n\n

Bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao c\u1ea7n \u0111\u01b0\u1ee3c ch\u0103m s\u00f3c th\u00eam. M\u1ed9t s\u1ed1 l\u1edbp ho\u00e0n thi\u1ec7n m\u1ea1 c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t quy tr\u00ecnh \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 gi\u00f2n do hydro. \u0110\u1ed1i v\u1edbi l\u1edbp 10.9, 12.9, ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng t\u01b0\u01a1ng t\u1ef1, h\u00e3y xem l\u1ea1i \u1ed1c v\u00edt c\u01b0\u1eddng \u0111\u1ed9 cao<\/a> v\u00e0 x\u00e1c \u0111\u1ecbnh r\u00f5 y\u00eau c\u1ea7u ki\u1ec3m th\u1eed.<\/p>\n\n\n\n

X\u00e1c nh\u1eadn s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a ch\u1ee7 \u0111\u1ec1<\/h3>\n\n\n\n

\u0110\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 quan tr\u1ecdng. Bu l\u00f4ng m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, \u0111inh t\u00e1n ph\u1ee7 s\u01a1n ho\u1eb7c \u1ed1c v\u00edt v\u1ea3y k\u1ebdm c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ed9 l\u1eafp r\u00e1p \u0111ai \u1ed1c sau khi ho\u00e0n thi\u1ec7n. (PTFE)<\/p>\n\n\n\n

Nh\u1eefng sai l\u1ea7m mua h\u00e0ng ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n

Tr\u00e1nh nh\u1eefng v\u1ea5n \u0111\u1ec1 sau:<\/p>\n\n\n\n

    \n
  1. S\u1eed d\u1ee5ng \u201cm\u1ea1 k\u1ebdm\u201d m\u00e0 kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh m\u1ea1 k\u1ebdm ho\u1eb7c m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng.<\/li>\n\n\n\n
  2. Ch\u1ec9 ch\u1ecdn k\u1ebft th\u00fac b\u1eb1ng ngo\u1ea1i h\u00ecnh.<\/li>\n\n\n\n
  3. B\u1ecf qua \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 ren.<\/li>\n\n\n\n
  4. S\u1eed d\u1ee5ng m\u1ea1 k\u1ebdm trong nh\u00e0 cho c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi kh\u1eafc nghi\u1ec7t.<\/li>\n\n\n\n
  5. Tr\u1ed9n c\u00e1c bu l\u00f4ng \u0111\u01b0\u1ee3c ph\u1ee7 v\u1edbi c\u00e1c \u0111ai \u1ed1c ho\u1eb7c v\u00f2ng \u0111\u1ec7m kh\u00f4ng kh\u1edbp.<\/li>\n\n\n\n
  6. Qu\u00ean b\u00e1o c\u00e1o phun mu\u1ed1i ho\u1eb7c \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/li>\n<\/ol>\n\n\n\n

    L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n

    B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c, v\u1eadt li\u1ec7u, c\u1ea5p \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 v\u1eeba kh\u00edt v\u00e0 y\u00eau c\u1ea7u v\u1ec1 tu\u1ed5i th\u1ecd c\u1ee7a d\u1ef1 \u00e1n. Tr\u01b0\u1edbc khi g\u1eedi m\u1ed9t RFQ, h\u00e3y x\u00e1c nh\u1eadn lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t, k\u00edch th\u01b0\u1edbc, v\u1eadt li\u1ec7u, c\u1ea5p \u0111\u1ed9, \u0111\u1ed9 ho\u00e0n thi\u1ec7n, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng. Ng\u01b0\u1eddi mua c\u0169ng c\u00f3 th\u1ec3 xem l\u1ea1i to\u00e0n b\u1ed9 s\u1ea3n ph\u1ea9m chi ti\u1ebft si\u1ebft ch\u1eb7t<\/a> ph\u1ea1m vi khi so s\u00e1nh c\u00e1c t\u00f9y ch\u1ecdn l\u1edbp ph\u1ee7 tr\u00ean bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, \u1ed1c v\u00edt, neo v\u00e0 thanh ren.<\/p>","protected":false},"excerpt":{"rendered":"

    Surface finish is one of the easiest fastener details to underestimate. Many buyers ask for \u201cgalvanized bolts\u201d or \u201canti-rust screws,\u201d but those terms are not precise enough for industrial purchasing. A finish affects corrosion resistance, thread fit, appearance, torque behavior, cost, and lead time. Choosing the wrong finish may cause rust, tight assembly, coating damage, […]<\/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-6565","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\/6565","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=6565"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6565\/revisions"}],"predecessor-version":[{"id":6566,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6565\/revisions\/6566"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}