{"id":6791,"date":"2022-02-24T13:37:59","date_gmt":"2022-02-24T05:37:59","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6791"},"modified":"2026-06-22T13:39:41","modified_gmt":"2026-06-22T05:39:41","slug":"why-higher-fastener-grade-is-not-always-the-best-choice","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/why-higher-fastener-grade-is-not-always-the-best-choice\/","title":{"rendered":"T\u1ea1i sao c\u1ea5p chi ti\u1ebft si\u1ebft ch\u1eb7t cao h\u01a1n kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t"},"content":{"rendered":"<p>Nhi\u1ec1u ng\u01b0\u1eddi mua cho r\u1eb1ng lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t cao h\u01a1n lu\u00f4n an to\u00e0n h\u01a1n. Nghe c\u00f3 v\u1ebb h\u1ee3p l\u00fd. N\u1ebfu l\u1edbp 10.9 m\u1ea1nh h\u01a1n 8.8, v\u00e0 12.9 m\u1ea1nh h\u01a1n 10.9, t\u1ea1i sao kh\u00f4ng ch\u1ecdn lo\u1ea1i cao nh\u1ea5t hi\u1ec7n c\u00f3?<\/p>\n\n\n\n<p>Trong c\u00e1c t\u1ed5 h\u1ee3p th\u1ef1c t\u1ebf, c\u00e1ch ti\u1ebfp c\u1eadn \u0111\u00f3 c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng r\u1ee7i ro m\u1edbi.<\/p>\n\n\n\n<p>C\u1ea5p \u0111\u1ed9 c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t r\u1ea5t quan tr\u1ecdng nh\u01b0ng n\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a kh\u1edbp. S\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i t\u1ea3i, v\u1eadt li\u1ec7u, l\u1edbp ph\u1ee7, m\u1ed1i n\u1ed1i ren, c\u1ea5p \u0111ai \u1ed1c, gi\u00e1 \u0111\u1ee1 v\u00f2ng \u0111\u1ec7m, ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t, m\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1edbp Fastener th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a g\u00ec<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ee9c m\u1ea1nh kh\u00f4ng ph\u1ea3i l\u00e0 to\u00e0n b\u1ed9 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi bu l\u00f4ng h\u1ec7 m\u00e9t, c\u00e1c l\u1edbp thu\u1ed9c t\u00ednh nh\u01b0 8.8, 10.9, v\u00e0 12.9 m\u00f4 t\u1ea3 c\u00e1c m\u1ee9c \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Ch\u00fang gi\u00fap ng\u01b0\u1eddi mua so s\u00e1nh \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 h\u00e0nh vi n\u0103ng su\u1ea5t.<\/p>\n\n\n\n<p>Nh\u01b0ng \u0111i\u1ec3m s\u1ed1 kh\u00f4ng x\u00e1c \u0111\u1ecbnh m\u1ecdi y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p>C\u1ea5p bu l\u00f4ng kh\u00f4ng t\u1ef1 \u0111\u1ed9ng x\u00e1c nh\u1eadn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ed1ng \u0103n m\u00f2n<\/li>\n\n\n\n<li>Hi\u1ec7u su\u1ea5t m\u1ec7t m\u1ecfi<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu c\u1eaft c\u1ee7a m\u1ed1i n\u1ed1i<\/li>\n\n\n\n<li>H\u00e0nh vi t\u1ea3i tr\u01b0\u1edbc m\u00f4-men xo\u1eafn<\/li>\n\n\n\n<li>S\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a l\u1edbp ph\u1ee7<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m<\/li>\n\n\n\n<li>Hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9 th\u1ea5p ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh ch\u1ecbu l\u1ef1c, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t <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 vi\u1ec7c l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, kh\u00f4ng ch\u1ec9 \u0111\u00e1nh d\u1ea5u bu l\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u1ea5p cao h\u01a1n so v\u1edbi s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">So s\u00e1nh \u0111\u1eb3ng c\u1ea5p cho ng\u01b0\u1eddi mua<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>L\u1edbp thu\u1ed9c t\u00ednh<\/th><th>C\u1ea5p \u0111\u1ed9 s\u1ee9c m\u1ea1nh chung<\/th><th>S\u1eed d\u1ee5ng chung<\/th><th>Th\u1eadn tr\u1ecdng ch\u00ednh<\/th><\/tr><\/thead><tbody><tr><td>4.8 \/ 5.8<\/td><td>Th\u1ea5p \u0111\u1ebfn trung b\u00ecnh<\/td><td>C\u1ea5u tr\u00fac nh\u1eb9, ph\u1ea7n c\u1ee9ng chung<\/td><td>Kh\u00f4ng th\u00edch h\u1ee3p cho c\u00e1c m\u1ed1i n\u1ed1i ch\u1ecbu t\u1ea3i cao<\/td><\/tr><tr><td>8.8<\/td><td>Medium-high<\/td><td>M\u00e1y m\u00f3c, khung th\u00e9p, thi\u1ebft b\u1ecb<\/td><td>C\u1ea7n kh\u1edbp \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>10.9<\/td><td>Cao<\/td><td>Thi\u1ebft b\u1ecb n\u1eb7ng, kh\u1edbp n\u1ed1i ch\u1ecbu t\u1ea3i nh\u1ecf g\u1ecdn<\/td><td>Y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t th\u1eaft ch\u1eb7t t\u1ed1t h\u01a1n<\/td><\/tr><tr><td>12.9<\/td><td>R\u1ea5t cao<\/td><td>C\u00e1c \u1ee9ng d\u1ee5ng t\u1ea3i cao \u0111\u1eb7c bi\u1ec7t<\/td><td>\u0110\u1ed9 nh\u1ea1y cao h\u01a1n v\u1edbi c\u00e0i \u0111\u1eb7t v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u1ea5p 12.9 c\u00f3 th\u1ec3 l\u00e0 gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p trong m\u1ed9t s\u1ed1 m\u1ed1i n\u1ed1i m\u00e1y m\u00f3c nh\u1ecf g\u1ecdn, ch\u1ecbu t\u1ea3i cao. Nh\u01b0ng n\u00f3 kh\u00f4ng n\u00ean thay th\u1ebf 8.8 ho\u1eb7c 10.9 m\u00e0 kh\u00f4ng xem x\u00e9t k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ngu\u1ed3n cung c\u1ea5p c\u00f4ng nghi\u1ec7p ti\u00eau chu\u1ea9n, ng\u01b0\u1eddi mua n\u00ean so s\u00e1nh <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a> tr\u01b0\u1edbc ti\u00ean, sau \u0111\u00f3 ch\u1ec9 n\u00e2ng c\u1ea5p c\u1ea5p \u0111\u1ed9 khi \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c y\u00eau c\u1ea7u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao l\u1edbp cao h\u01a1n c\u00f3 th\u1ec3 t\u1ea1o ra v\u1ea5n \u0111\u1ec1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 d\u1ebbo th\u1ea5p h\u01a1n<\/h3>\n\n\n\n<p>Khi s\u1ee9c m\u1ea1nh t\u0103ng l\u00ean, \u0111\u1ed9 d\u1ebbo c\u00f3 th\u1ec3 gi\u1ea3m. Bu l\u00f4ng c\u00f3 \u0111\u1ed9 b\u1ec1n r\u1ea5t cao c\u00f3 th\u1ec3 \u00edt bi\u1ebfn d\u1ea1ng h\u01a1n tr\u01b0\u1edbc khi g\u00e3y.<\/p>\n\n\n\n<p>Trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 t\u1ea3i tr\u1ecdng va \u0111\u1eadp, s\u1ed1c ho\u1eb7c l\u1ec7ch, c\u1ea5p \u0111\u1ed9 th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat v\u1edbi \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady h\u01a1n so v\u1edbi bu l\u00f4ng c\u1ea5p cao \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh qu\u00e1 m\u1ee9c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 nh\u1ea1y cao h\u01a1n \u0111\u1ed1i v\u1edbi s\u1ef1 gi\u00f2n hydro<\/h3>\n\n\n\n<p>Ch\u1ed1t m\u1ea1 \u0111i\u1ec7n c\u00f3 \u0111\u1ed9 b\u1ec1n cao \u0111\u00f2i h\u1ecfi ph\u1ea3i ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh c\u1ea9n th\u1eadn. N\u1ebfu vi\u1ec7c l\u00e0m s\u1ea1ch, m\u1ea1 ho\u1eb7c n\u01b0\u1edbng b\u1eb1ng axit kh\u00f4ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd ch\u00ednh x\u00e1c th\u00ec nguy c\u01a1 gi\u00f2n do hydro s\u1ebd t\u0103ng l\u00ean.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y quan tr\u1ecdng \u0111\u1ed1i v\u1edbi 10.9 v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c \u1ed1c v\u00edt. (12.9)<\/p>\n\n\n\n<p>N\u1ebfu c\u1ea7n b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n, h\u00e3y so s\u00e1nh c\u00e1c l\u1ed9 tr\u00ecnh ph\u1ee7 theo <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn m\u1ea1 k\u1ebdm, m\u1ea1 k\u1ebdm, m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng ho\u1eb7c c\u00e1c l\u1edbp ho\u00e0n thi\u1ec7n kh\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00f4-men xo\u1eafn tr\u1edf n\u00ean \u00edt tha th\u1ee9 h\u01a1n<\/h3>\n\n\n\n<p>Bu l\u00f4ng c\u1ea5p cao h\u01a1n th\u01b0\u1eddng c\u1ea7n t\u1ea3i tr\u01b0\u1edbc cao h\u01a1n. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 vi\u1ec7c ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn, b\u00f4i tr\u01a1n, t\u00ecnh tr\u1ea1ng ren, \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m v\u00e0 c\u1ea5p \u0111ai \u1ed1c tr\u1edf n\u00ean quan tr\u1ecdng h\u01a1n.<\/p>\n\n\n\n<p>N\u1ebfu ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t s\u1eed d\u1ee5ng sai gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn, m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb si\u1ebft qu\u00e1 ch\u1eb7t ho\u1eb7c qu\u00e1 ch\u1eb7t.<\/p>\n\n\n\n<p>Bu-l\u00f4ng m\u1ea1nh h\u01a1n kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng l\u1eafp r\u00e1p k\u00e9m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1ea5n \u0111\u1ec1 k\u1ebft h\u1ee3p \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Qu\u1ed1c h\u1ed9i ph\u1ea3i c\u00f9ng nhau l\u00e0m vi\u1ec7c<\/h3>\n\n\n\n<p>Bu l\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng cao \u0111i k\u00e8m v\u1edbi \u0111ai \u1ed1c y\u1ebfu l\u00e0 m\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn khi mua s\u1eafm. \u0110ai \u1ed1c c\u00f3 th\u1ec3 b\u1ecb bong ra tr\u01b0\u1edbc khi bu l\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng d\u1ef1 ki\u1ebfn.<\/p>\n\n\n\n<p>V\u00f2ng \u0111\u1ec7m c\u0169ng quan tr\u1ecdng. V\u00f2ng \u0111\u1ec7m m\u1ec1m d\u01b0\u1edbi bu l\u00f4ng t\u1ea3i tr\u01b0\u1edbc cao c\u00f3 th\u1ec3 nh\u00fang v\u00e0o b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m t\u1ea3i k\u1eb9p sau khi l\u1eafp \u0111\u1eb7t.<\/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 c\u1ea7n x\u00e1c nh\u1eadn<\/th><\/tr><\/thead><tbody><tr><td>bu l\u00f4ng<\/td><td>L\u1edbp, ti\u00eau chu\u1ea9n, s\u1ee3i, l\u1edbp ph\u1ee7<\/td><\/tr><tr><td>h\u1ea1t<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi c\u1ea5p v\u00e0 ren ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>V\u00f2ng \u0111\u1ec7m<\/td><td>\u0110\u1ed9 c\u1ee9ng, \u0111\u1ed9 d\u00e0y, ID, OD<\/td><\/tr><tr><td>L\u1edbp ph\u1ee7<\/td><td>\u0110\u1ed9 kh\u00edt c\u1ee7a ren v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ma s\u00e1t<\/td><\/tr><tr><td>Installation<\/td><td>Y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn ho\u1eb7c t\u1ea3i tr\u01b0\u1edbc<\/td><\/tr><tr><td>Inspection<\/td><td>B\u00e1o c\u00e1o \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o, t\u1ea3i tr\u1ecdng b\u1eb1ng ch\u1ee9ng, l\u1edbp ph\u1ee7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/washers\/\">s\u1ea3n ph\u1ea9m v\u00f2ng \u0111\u1ec7m<\/a> khi ch\u1ec9 \u0111\u1ecbnh c\u1ee5m bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110i\u1ec1u ki\u1ec7n n\u1ed9p \u0111\u01a1n n\u00ean quy\u1ebft \u0111\u1ecbnh \u0111i\u1ec3m<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Khi l\u1edbp cao h\u01a1n c\u00f3 \u00fd ngh\u0129a<\/h3>\n\n\n\n<p>Ch\u1ed1t cao c\u1ea5p h\u01a1n c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng<\/li>\n\n\n\n<li>Kh\u1edbp ch\u1ecbu t\u1ea3i cao nh\u1ecf g\u1ecdn<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb k\u1ebft c\u1ea5u<\/li>\n\n\n\n<li>C\u1ee5m th\u00e9p k\u1ef9 thu\u1eadt<\/li>\n\n\n\n<li>C\u01a1 s\u1edf thi\u1ebft b\u1ecb c\u00f3 t\u1ea3i tr\u01b0\u1edbc cao<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh b\u1edfi b\u1ea3n v\u1ebd ho\u1eb7c ti\u00eau chu\u1ea9n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Khi l\u1edbp cao h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft<\/h3>\n\n\n\n<p>M\u1ed9t l\u1edbp cao h\u01a1n c\u00f3 th\u1ec3 kh\u00f4ng c\u1ea7n thi\u1ebft cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u00e1 \u0111\u1ee1 nh\u1eb9<\/li>\n\n\n\n<li>B\u00eca kh\u00f4ng quan tr\u1ecdng<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u \u0111\u1ebf m\u1ec1m<\/li>\n\n\n\n<li>T\u1ed5 h\u1ee3p t\u1ea5m m\u1ecfng<\/li>\n\n\n\n<li>M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n n\u01a1i kh\u00f4ng g\u1ec9 ho\u1eb7c l\u1edbp ph\u1ee7 quan tr\u1ecdng h\u01a1n<\/li>\n\n\n\n<li>C\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi di\u1ec7n t\u00edch ch\u1ecbu l\u1ef1c h\u01a1n l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 bu l\u00f4ng<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng t\u1eadp trung v\u00e0o \u0103n m\u00f2n, <a href=\"https:\/\/xzfastener.com\/vi\/fastener-material\/stainless-steel\/\">\u1ed1c v\u00edt b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9<\/a> c\u00f3 th\u1ec3 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n l\u00e0 ch\u1ec9 t\u0103ng c\u1ea5p \u0111\u1ed9 bu l\u00f4ng th\u00e9p carbon.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c b\u1ed9 ph\u1eadn t\u00f9y ch\u1ec9nh v\u00e0 d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd<\/h2>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ed1c v\u00edt kh\u00f4ng ti\u00eau chu\u1ea9n, n\u00ean ch\u1ecdn c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n v\u1ebd v\u00e0 \u1ee9ng d\u1ee5ng. H\u00ecnh d\u1ea1ng \u0111\u1ea7u, chi\u1ec1u d\u00e0i ren, \u0111\u01b0\u1eddng k\u00ednh vai, b\u00e1n k\u00ednh u\u1ed1n cong v\u00e0 l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5: m\u1ed9t bu l\u00f4ng t\u00f9y ch\u1ec9nh c\u00f3 \u0111\u1ea7u thu nh\u1ecf ho\u1eb7c th\u00e2n \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 bu l\u00f4ng l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n c\u00f9ng lo\u1ea1i.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1eb7c bi\u1ec7t, 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> v\u00e0 x\u00e1c nh\u1eadn v\u1eadt li\u1ec7u, x\u1eed l\u00fd nhi\u1ec7t, dung sai k\u00edch th\u01b0\u1edbc v\u00e0 c\u00e1c ti\u00eau ch\u00ed ki\u1ec3m tra tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra c\u1ee7a ng\u01b0\u1eddi mua tr\u01b0\u1edbc khi n\u00e2ng c\u1ea5p l\u1edbp<\/h2>\n\n\n\n<p>Tr\u01b0\u1edbc khi thay \u0111\u1ed5i t\u1eeb 8.8 th\u00e0nh 10.9 ho\u1eb7c 12.9, h\u00e3y x\u00e1c nh\u1eadn:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>B\u1ea3n v\u1ebd ho\u1eb7c ti\u00eau chu\u1ea9n d\u1ef1 \u00e1n c\u00f3 y\u00eau c\u1ea7u c\u1ea5p \u0111\u1ed9 cao h\u01a1n kh\u00f4ng?<\/li>\n\n\n\n<li>Lo\u1ea1i \u0111ai \u1ed1c giao ph\u1ed1i c\u00f3 ph\u00f9 h\u1ee3p kh\u00f4ng?<\/li>\n\n\n\n<li>C\u00f3 c\u1ea7n v\u00f2ng \u0111\u1ec7m c\u1ee9ng kh\u00f4ng?<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao kh\u00f4ng?<\/li>\n\n\n\n<li>M\u00f4-men xo\u1eafn ho\u1eb7c t\u1ea3i tr\u01b0\u1edbc \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n l\u1ea1i ch\u01b0a?<\/li>\n\n\n\n<li>Kh\u1edbp c\u00f3 b\u1ecb rung, m\u1ecfi ho\u1eb7c va \u0111\u1eadp kh\u00f4ng?<\/li>\n\n\n\n<li>B\u00e1o c\u00e1o ki\u1ec3m tra c\u00f3 c\u1ea7n thi\u1ebft kh\u00f4ng?<\/li>\n\n\n\n<li>Ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t c\u00f3 hi\u1ec3u \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng ph\u00e1p th\u1eaft ch\u1eb7t kh\u00f4ng?<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng r\u1ed9ng r\u00e3i, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 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 tr\u01b0\u1edbc khi \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>C\u1ea5p \u0111\u1ed9 chi ti\u1ebft si\u1ebft ch\u1eb7t cao h\u01a1n ch\u1ec9 h\u1eefu \u00edch khi n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf m\u1ed1i n\u1ed1i v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c. M\u1ed9t bu l\u00f4ng m\u1ea1nh h\u01a1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i, nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c l\u1ed7i v\u1ec1 l\u1edbp ph\u1ee7, \u0111\u1ed9 si\u1ebft, \u0111\u1ed9 gi\u00f2n v\u00e0 l\u1eafp r\u00e1p.<\/p>\n\n\n\n<p>Chi ti\u1ebft si\u1ebft ch\u1eb7t t\u1ed1t nh\u1ea5t kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 lo\u1ea1i cao c\u1ea5p nh\u1ea5t. \u0110\u00e2y l\u00e0 lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng, m\u00f4i tr\u01b0\u1eddng, c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i, ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m tra.<\/p>","protected":false},"excerpt":{"rendered":"<p>Many buyers assume that a higher fastener grade is always safer. It sounds logical. If class 10.9 is stronger than 8.8, and 12.9 is stronger than 10.9, why not choose the highest grade available? In real assemblies, that approach can create new risks. Fastener grade is important, but it is only one part of 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":[500],"class_list":["post-6791","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-selection-guide"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6791","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=6791"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6791\/revisions"}],"predecessor-version":[{"id":6792,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6791\/revisions\/6792"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}