{"id":2299,"date":"2026-04-03T15:40:30","date_gmt":"2026-04-03T07:40:30","guid":{"rendered":"https:\/\/xzfastener.com\/?p=2299"},"modified":"2026-04-07T11:33:50","modified_gmt":"2026-04-07T03:33:50","slug":"din-933-vs-din-931-full-thread-vs-partial-thread-hex-bolts-explained","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/din-933-vs-din-931-full-thread-vs-partial-thread-hex-bolts-explained\/","title":{"rendered":"DIN 933 vs DIN 931: Gi\u1ea3i th\u00edch to\u00e0n b\u1ed9 ren v\u00e0 m\u1ed9t ph\u1ea7n ren l\u1ee5c gi\u00e1c"},"content":{"rendered":"<h1 class=\"wp-block-heading\">DIN 933 so v\u1edbi DIN 931: C\u00e1ch ch\u1ecdn gi\u1eefa c\u00e1c bu l\u00f4ng l\u1ee5c gi\u00e1c c\u00f3 ren ho\u00e0n to\u00e0n v\u00e0 c\u00f3 ren m\u1ed9t ph\u1ea7n<\/h1>\n\n\n\n<p>N\u1ebfu b\u1ea1n \u0111ang so s\u00e1nh DIN 933 v\u00e0 DIN 931, c\u00e2u h\u1ecfi quan tr\u1ecdng th\u01b0\u1eddng kh\u00f4ng ch\u1ec9 l\u00e0 \u201c\u0111\u00e2y l\u00e0 ti\u00eau chu\u1ea9n g\u00ec?\u201d m\u00e0 l\u00e0 \"t\u00f4i th\u1ef1c s\u1ef1 n\u00ean mua c\u00e1i n\u00e0o cho t\u1ed5 h\u1ee3p c\u1ee7a m\u00ecnh?\" C\u00e2u tr\u1ea3 l\u1eddi \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a k\u1eb9p, \u0111\u1ed9 v\u1eeba v\u1eb7n, kh\u1ea3 n\u0103ng c\u1eaft, s\u1ef1 thu\u1eadn ti\u1ec7n khi l\u1eafp \u0111\u1eb7t v\u00e0 th\u1eadm ch\u00ed c\u1ea3 li\u1ec7u \u0111\u01a1n \u0111\u1eb7t h\u00e0ng c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c cho c\u00f4ng vi\u1ec7c hay kh\u00f4ng.<\/p>\n\n\n\n<p>N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, DIN 933 l\u00e0 m\u1ed9t bu l\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ren ho\u00e0n to\u00e0n, trong khi DIN 931 l\u00e0 m\u1ed9t bu l\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ren m\u1ed9t ph\u1ea7n v\u1edbi chu\u00f4i kh\u00f4ng c\u00f3 ren. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi mua, nh\u00e0 ph\u00e2n ph\u1ed1i v\u00e0 nh\u00f3m d\u1ef1 \u00e1n, s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 quan tr\u1ecdng h\u01a1n nhi\u1ec1u so v\u1edbi con s\u1ed1 ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DIN 933 v\u00e0 DIN 931 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DIN 933<\/h3>\n\n\n\n<p>DIN 933 d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 \u0111\u1ea7y \u0111\u1ee7 ren d\u1ecdc theo th\u00e2n. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n t\u01b0\u01a1ng t\u00e1c to\u00e0n b\u1ed9 lu\u1ed3ng ho\u1eb7c khi \u01b0u ti\u00ean c\u00e0i \u0111\u1eb7t linh ho\u1ea1t h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DIN 931<\/h3>\n\n\n\n<p>DIN 931 d\u00f9ng \u0111\u1ec3 ch\u1ec9 m\u1ed9t chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 th\u00e2n ren m\u1ed9t ph\u1ea7n. Gi\u1eefa \u0111\u1ea7u v\u00e0 ph\u1ea7n ren c\u00f3 m\u1ed9t ph\u1ea7n c\u00e1n nh\u1eb5n, kh\u00f4ng c\u00f3 ren. Thi\u1ebft k\u1ebf n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn khi c\u00e1n ph\u1ea3i \u0111i qua c\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c k\u1eb9p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u1ec3 ghi nh\u1edb s\u1ef1 kh\u00e1c bi\u1ec7t<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN 933 = ph\u00e2n lu\u1ed3ng \u0111\u1ea7y \u0111\u1ee7<\/strong><\/li>\n\n\n\n<li><strong>DIN 931 = ren m\u1ed9t ph\u1ea7n v\u1edbi chu\u00f4i<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DIN 933 so v\u1edbi DIN 931: S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c t\u1ebf l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Chi\u1ec1u d\u00e0i ch\u1ee7 \u0111\u1ec1<\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i. DIN 933 \u0111\u01b0\u1ee3c x\u00e2u g\u1ea7n nh\u01b0 to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i, trong khi DIN 931 c\u00f3 chu\u00f4i tr\u01a1n v\u00e0 ph\u1ea7n ren ng\u1eafn h\u01a1n. Trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch bu-l\u00f4ng n\u1eb1m b\u00ean trong c\u1ee5m v\u00e0 li\u1ec7u ren c\u00f3 \u0111i v\u00e0o khu v\u1ef1c \u0111\u01b0\u1ee3c k\u1eb9p hay kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Hi\u1ec7u su\u1ea5t chung<\/h3>\n\n\n\n<p>Trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p s\u1eed d\u1ee5ng \u0111ai \u1ed1c v\u00e0 l\u1ed7 h\u1edf, DIN 931 c\u00f3 th\u1ec3 \u0111\u1ecbnh v\u1ecb c\u00e1n nh\u1eb5n b\u00ean trong ph\u1ea7n l\u00e0m vi\u1ec7c c\u1ee7a m\u1ed1i n\u1ed1i. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a ren v\u1edbi th\u00e0nh l\u1ed7 v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u01a1 h\u1ecdc ho\u1eb7c k\u1ebft c\u1ea5u. DIN 933, ng\u01b0\u1ee3c l\u1ea1i, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i c\u00e1c s\u1ee3i b\u00ean trong m\u1eb7t ph\u1eb3ng c\u1eaft n\u1ebfu chi\u1ec1u d\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn c\u1ea9n th\u1eadn.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. C\u00e0i \u0111\u1eb7t linh ho\u1ea1t<\/h3>\n\n\n\n<p>DIN 933 th\u01b0\u1eddng d\u1ec5 s\u1eed d\u1ee5ng h\u01a1n khi \u0111\u1ed9 d\u00e0y tay c\u1ea7m kh\u00e1c nhau gi\u1eefa c\u00e1c c\u00f4ng vi\u1ec7c. B\u1edfi v\u00ec n\u00f3 \u0111\u01b0\u1ee3c ren ho\u00e0n to\u00e0n n\u00ean n\u00f3 th\u00edch \u1ee9ng d\u1ec5 d\u00e0ng h\u01a1n v\u1edbi c\u00e1c \u0111\u1ed9 d\u00e0y k\u1eb9p kh\u00e1c nhau. DIN 931 y\u00eau c\u1ea7u l\u1ef1a ch\u1ecdn chi\u1ec1u d\u00e0i ch\u00ednh x\u00e1c h\u01a1n, n\u1ebfu kh\u00f4ng th\u00ec c\u00e1n c\u00f3 th\u1ec3 qu\u00e1 d\u00e0i ho\u1eb7c s\u1ee3i ch\u1ec9 c\u00f3 th\u1ec3 \u0111i v\u00e0o sai ph\u1ea7n c\u1ee7a kh\u1edbp.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Nh\u1ea7m l\u1eabn v\u1ec1 \u0111\u1eb7t t\u00ean th\u1ecb tr\u01b0\u1eddng<\/h3>\n\n\n\n<p>Nhi\u1ec1u ng\u01b0\u1eddi mua s\u1eed d\u1ee5ng \u201cbu l\u00f4ng l\u1ee5c gi\u00e1c\u201d v\u00e0 \u201cv\u00edt l\u1ee5c gi\u00e1c\u201d thay th\u1ebf cho nhau, nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 b\u00e1o gi\u00e1 DIN 933 ho\u1eb7c DIN 931 tr\u1eeb khi ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh r\u00f5 r\u00e0ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao s\u1ed1 ti\u00eau chu\u1ea9n l\u1ea1i quan tr\u1ecdng trong RFQ v\u00e0 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o b\u1ea1n n\u00ean ch\u1ecdn DIN 933?<\/h2>\n\n\n\n<p>DIN 933 th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n trong c\u00e1c t\u00ecnh hu\u1ed1ng sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khi b\u1ea1n c\u1ea7n <strong>s\u1ef1 tham gia ch\u1ee7 \u0111\u1ec1 \u0111\u1ea7y \u0111\u1ee7<\/strong><\/li>\n\n\n\n<li>Khi chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111i v\u00e0o <strong>l\u1ed7 khai th\u00e1c<\/strong><\/li>\n\n\n\n<li>Khi <strong>\u0111\u1ed9 d\u00e0y k\u1eb9p kh\u00e1c nhau<\/strong> t\u1eeb \u1ee9ng d\u1ee5ng n\u00e0y sang \u1ee9ng d\u1ee5ng kh\u00e1c<\/li>\n\n\n\n<li>Khi b\u1ea1n mu\u1ed1n nhi\u1ec1u h\u01a1n n\u1eefa <strong>m\u1eb7t h\u00e0ng ch\u1ee9ng kho\u00e1n c\u00f3 m\u1ee5c \u0111\u00edch chung<\/strong><\/li>\n\n\n\n<li>Khi kh\u00f4ng c\u00f3 nhu c\u1ea7u c\u1ee5 th\u1ec3 \u0111\u1ec3 gi\u1eef ren b\u00ean ngo\u00e0i ph\u1ea7n l\u00e0m vi\u1ec7c c\u1ee7a m\u1ed1i n\u1ed1i<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i v\u00e0 ng\u01b0\u1eddi mua c\u00f4ng nghi\u1ec7p n\u00f3i chung, DIN 933 th\u01b0\u1eddng d\u1ec5 d\u00e0ng d\u1ef1 tr\u1eef h\u01a1n v\u00ec n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u00f4ng th\u01b0\u1eddng h\u01a1n m\u00e0 kh\u00f4ng y\u00eau c\u1ea7u t\u00ednh to\u00e1n \u0111\u1ed9 b\u00e1m chi ti\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Khi n\u00e0o b\u1ea1n n\u00ean ch\u1ecdn DIN 931?<\/h2>\n\n\n\n<p>DIN 931 th\u01b0\u1eddng l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khi b\u1ea1n mu\u1ed1n <strong>th\u00e2n tr\u01a1n \u0111\u1ec3 ng\u1ed3i b\u00ean trong c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p<\/strong><\/li>\n\n\n\n<li>Khi l\u1eafp r\u00e1p s\u1eed d\u1ee5ng <strong>l\u1ed7 th\u00f4ng gi\u00f3 c\u1ed9ng v\u1edbi \u0111ai \u1ed1c bu\u1ed9c ch\u1eb7t<\/strong><\/li>\n\n\n\n<li>Khi n\u00e0o <strong>c\u0103n ch\u1ec9nh v\u00e0 mang<\/strong> b\u00ean trong c\u00e1i l\u1ed7<\/li>\n\n\n\n<li>Khi b\u1ea1n mu\u1ed1n <strong>gi\u1ea3m ti\u1ebfp x\u00fac ch\u1ee7 \u0111\u1ec1<\/strong> trong v\u00f9ng kh\u1edbp<\/li>\n\n\n\n<li>Khi \u1ee9ng d\u1ee5ng cho ph\u00e9p <strong>l\u1ef1a ch\u1ecdn chi\u1ec1u d\u00e0i bu l\u00f4ng ch\u00ednh x\u00e1c<\/strong><\/li>\n<\/ul>\n\n\n\n<p>DIN 931 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u01b0a th\u00edch trong c\u00e1c khung m\u00e1y m\u00f3c, k\u1ebft c\u1ea5u th\u00e9p, gi\u00e1 \u0111\u1ee1, k\u1ebft n\u1ed1i m\u1eb7t b\u00edch v\u00e0 c\u00e1c c\u1ee5m l\u1eafp r\u00e1p kh\u00e1c trong \u0111\u00f3 thi\u1ebft k\u1ebf m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb ph\u1ea7n k\u1eb9p kh\u00f4ng c\u00f3 ren.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">DIN 931 c\u00f3 m\u1ea1nh h\u01a1n DIN 933 kh\u00f4ng?<\/h2>\n\n\n\n<p>Kh\u00f4ng t\u1ef1 \u0111\u1ed9ng. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t khi mua chi ti\u1ebft si\u1ebft ch\u1eb7t.<\/p>\n\n\n\n<p>Bu l\u00f4ng c\u00f3 ren m\u1ed9t ph\u1ea7n kh\u00f4ng \u201cm\u1ea1nh h\u01a1n\u201d ch\u1ec9 v\u00ec n\u00f3 c\u00f3 chu\u00f4i tr\u01a1n. Hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i thu\u1ed9c t\u00ednh, v\u1eadt li\u1ec7u, \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i tay n\u1eafm, thi\u1ebft k\u1ebf m\u1ed1i n\u1ed1i v\u00e0 li\u1ec7u t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c t\u00e1c \u0111\u1ed9ng l\u00ean ph\u1ea7n c\u00f3 ren hay kh\u00f4ng c\u00f3 ren.<\/p>\n\n\n\n<p>C\u00e2u h\u1ecfi h\u1eefu \u00edch h\u01a1n kh\u00f4ng ph\u1ea3i l\u00e0 \u201cn\u00f3i chung c\u00e1i n\u00e0o m\u1ea1nh h\u01a1n?\u201d nh\u01b0ng <strong>\u201cT\u00f4i c\u1ea7n s\u1ee3i ch\u1ec9 \u1edf \u0111\u00e2u trong h\u1ed9i \u0111\u1ed3ng n\u00e0y?\u201d<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadt li\u1ec7u v\u00e0 ho\u00e0n thi\u1ec7n th\u00f4ng th\u01b0\u1eddng<\/h2>\n\n\n\n<p>C\u1ea3 DIN 933 v\u00e0 DIN 931 th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p cacbon v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9. T\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng, ch\u00fang c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p c\u00e1c b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n nh\u01b0 tr\u01a1n, m\u1ea1 k\u1ebdm ho\u1eb7c m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng.<\/p>\n\n\n\n<p>Tuy nhi\u00ean, ch\u1ec9 ri\u00eang con s\u1ed1 ti\u00eau chu\u1ea9n kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c lo\u1ea1i v\u1eadt li\u1ec7u ho\u1eb7c \u0111\u1ed9 b\u1ec1n. M\u1ed9t \u0111\u01a1n \u0111\u1eb7t h\u00e0ng ch\u1ec9 ghi \u201cDIN 931 bu l\u00f4ng\u201d ho\u1eb7c \u201cDIN 933 bu l\u00f4ng\u201d l\u00e0 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u1ede m\u1ee9c t\u1ed1i thi\u1ec3u, ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u d\u00e0i<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u ho\u1eb7c l\u1edbp<\/li>\n\n\n\n<li>L\u1edbp thu\u1ed9c t\u00ednh c\u1ee7a th\u00e9p cacbon<\/li>\n\n\n\n<li>Ho\u00e0n thi\u1ec7n ho\u1eb7c ph\u1ee7<\/li>\n\n\n\n<li>Lo\u1ea1i ren ho\u1eb7c b\u01b0\u1edbc ren n\u1ebfu kh\u00f4ng chu\u1ea9n<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 \u0111\u00f3ng g\u00f3i<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">DIN 933 v\u00e0 DIN 931 so v\u1edbi ISO C\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf<\/h2>\n\n\n\n<p>Trong kinh doanh xu\u1ea5t kh\u1ea9u, ng\u01b0\u1eddi mua th\u01b0\u1eddng th\u1ea5y DIN 933 so v\u1edbi ISO 4017 v\u00e0 DIN 931 so v\u1edbi ISO 4014. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, ch\u00fang \u0111\u01b0\u1ee3c coi l\u00e0 ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng, nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 m\u1ecdi k\u00edch th\u01b0\u1edbc \u0111\u1ec1u t\u1ef1 \u0111\u1ed9ng gi\u1ed1ng nhau \u1edf m\u1ecdi k\u00edch th\u01b0\u1edbc.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea3n v\u1ebd c\u1ee7a kh\u00e1ch h\u00e0ng \u0111\u01b0a ra m\u1ed9t ti\u00eau chu\u1ea9n ch\u00ednh x\u00e1c, ho\u1eb7c n\u1ebfu \u0111\u1ed9 h\u1edf c\u1ee7a c\u1edd l\u00ea v\u00e0 k\u00edch th\u01b0\u1edbc kh\u1edbp n\u1ed1i l\u00e0 quan tr\u1ecdng, th\u00ec kh\u00f4ng ch\u1ea5p nh\u1eadn s\u1ef1 thay th\u1ebf ch\u1ec9 d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n t\u01b0\u01a1ng t\u1ef1. Lu\u00f4n x\u00e1c minh k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn s\u1ef1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. (DIN)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch ch\u1ecdn gi\u1eefa DIN 933 v\u00e0 DIN 931<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ecdn DIN 933 n\u1ebfu:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n c\u1ea7n <strong>t\u00ednh linh ho\u1ea1t ch\u1ee7 \u0111\u1ec1 \u0111\u1ea7y \u0111\u1ee7<\/strong><\/li>\n\n\n\n<li>Bu l\u00f4ng \u0111i v\u00e0o m\u1ed9t <strong>l\u1ed7 khai th\u00e1c<\/strong><\/li>\n\n\n\n<li>\u0110\u1ed9 d\u00e0y tay c\u1ea7m l\u00e0 <strong>kh\u00f4ng c\u1ed1 \u0111\u1ecbnh<\/strong><\/li>\n\n\n\n<li>B\u1ea1n mu\u1ed1n vi\u1ec7c th\u1ea3 gi\u1ed1ng d\u1ec5 d\u00e0ng h\u01a1n cho <strong>cung c\u1ea5p m\u1ee5c \u0111\u00edch chung<\/strong><\/li>\n\n\n\n<li>B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u1eb7t th\u00e2n v\u00e0o b\u00ean trong ph\u1ea7n l\u00e0m vi\u1ec7c c\u1ee7a kh\u1edbp<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ecdn DIN 931 n\u1ebfu:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ea1n c\u1ea7n <strong>th\u00e2n tr\u01a1n b\u00ean trong kh\u1edbp<\/strong><\/li>\n\n\n\n<li>Vi\u1ec7c l\u1eafp r\u00e1p s\u1eed d\u1ee5ng <strong>m\u1ed9t \u0111ai \u1ed1c v\u00e0 c\u00e1c l\u1ed7 h\u1edf<\/strong><\/li>\n\n\n\n<li>C\u00e1c l\u1ee3i \u00edch chung t\u1eeb t\u1ed1t h\u01a1n <strong>c\u0103n ch\u1ec9nh v\u00e0 mang<\/strong><\/li>\n\n\n\n<li>B\u1ea1n mu\u1ed1n gi\u1ea3m ti\u1ebfp x\u00fac ren b\u00ean trong c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p<\/li>\n\n\n\n<li>B\u1ea1n c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 d\u00e0i ch\u00ednh x\u00e1c d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y tay c\u1ea7m th\u1ef1c t\u1ebf<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ed9t quy t\u1eafc thi\u1ebft th\u1ef1c cho ng\u01b0\u1eddi mua<\/h3>\n\n\n\n<p>N\u1ebfu \u1ee9ng d\u1ee5ng mang t\u00ednh chung chung v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1eb7t ch\u1ebd, DIN 933 th\u01b0\u1eddng l\u00e0 m\u1eb7c \u0111\u1ecbnh an to\u00e0n h\u01a1n. N\u1ebfu vi\u1ec7c l\u1eafp r\u00e1p r\u00f5 r\u00e0ng ph\u1ee5 thu\u1ed9c v\u00e0o ph\u1ea7n tay n\u1eafm kh\u00f4ng c\u00f3 ren th\u00ec DIN 931 th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng l\u1ed7i mua h\u00e0ng ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1eb7t h\u00e0ng DIN 931 Kh\u00f4ng ki\u1ec3m tra chi\u1ec1u d\u00e0i tay c\u1ea7m<\/h3>\n\n\n\n<p>\u0110\u00e2y l\u00e0 sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t. Ng\u01b0\u1eddi mua t\u1eadp trung v\u00e0o \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u d\u00e0i t\u1ed5ng th\u1ec3 m\u00e0 qu\u00ean x\u00e1c minh xem chu\u00f4i v\u00e0 ren c\u00f3 n\u1eb1m \u0111\u00fang v\u1ecb tr\u00ed b\u00ean trong c\u1ee5m hay kh\u00f4ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3 s\u1eed DIN v\u00e0 ISO lu\u00f4n c\u00f3 th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau<\/h3>\n\n\n\n<p>C\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng t\u1ef1 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng gi\u1ed1ng nhau \u1edf m\u1ecdi chi ti\u1ebft. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 k\u00edch th\u01b0\u1edbc c\u00f3 th\u1ec3 quan tr\u1ecdng trong c\u00e1c d\u1ef1 \u00e1n th\u1ef1c t\u1ebf, \u0111\u1eb7c bi\u1ec7t khi c\u00e1c t\u1ed5 h\u1ee3p \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ho\u1eb7c s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng \u201cBu l\u00f4ng l\u1ee5c gi\u00e1c\u201d l\u00e0m t\u00ean chung<\/h3>\n\n\n\n<p>N\u1ebfu y\u00eau c\u1ea7u ch\u1ec9 n\u00f3i \u201cch\u1ed1t l\u1ee5c gi\u00e1c M16 x 80,\u201d nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 b\u00e1o gi\u00e1 to\u00e0n b\u1ed9 ho\u1eb7c m\u1ed9t ph\u1ea7n ren t\u00f9y theo c\u00e1ch gi\u1ea3i th\u00edch c\u1ee7a h\u1ecd. \u0110i\u1ec1u \u0111\u00f3 d\u1ec5 d\u1eabn \u0111\u1ebfn vi\u1ec7c \u0111\u1eb7t nh\u1ea7m s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ecf qua l\u1edbp v\u1eadt li\u1ec7u v\u00e0 s\u1ee9c m\u1ea1nh<\/h3>\n\n\n\n<p>DIN 933 ho\u1eb7c DIN 931 ch\u1ec9 m\u00f4 t\u1ea3 lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t. N\u00f3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh s\u1ea3n ph\u1ea9m l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9, th\u00e9p carbon, 8.8, 10.9, hay m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3 s\u1eed m\u1ed9t ph\u1ea7n ch\u1ee7 \u0111\u1ec1 lu\u00f4n t\u1ed1t h\u01a1n<\/h3>\n\n\n\n<p>DIN 931 ch\u1ec9 t\u1ed1t h\u01a1n khi thi\u1ebft k\u1ebf kh\u1edbp n\u1ed1i th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb chu\u00f4i. N\u1ebfu kh\u00f4ng, n\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn vi\u1ec7c mua h\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u1eb9o mua s\u1eafm tr\u01b0\u1edbc khi b\u1ea1n \u0111\u1eb7t h\u00e0ng<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>X\u00e1c nh\u1eadn xem chi ti\u1ebft si\u1ebft ch\u1eb7t s\u1eed d\u1ee5ng \u0111ai \u1ed1c hay \u0111i v\u00e0o l\u1ed7 c\u00f3 ren.<\/strong><\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra t\u1ed5ng \u0111\u1ed9 d\u00e0y k\u1eb9p c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p.<\/strong><\/li>\n\n\n\n<li><strong>Hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng ch\u1ee7 y\u1ebfu l\u00e0 k\u00e9o, c\u1eaft hay h\u1ed7n h\u1ee3p.<\/strong><\/li>\n\n\n\n<li><strong>X\u00e1c minh xem s\u1ef1 thay th\u1ebf ISO c\u00f3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn hay kh\u00f4ng n\u1ebfu b\u1ea3n v\u1ebd ch\u1ec9 \u0111\u1ecbnh DIN.<\/strong><\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra m\u00f4i tr\u01b0\u1eddng d\u1ecbch v\u1ee5 tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7.<\/strong><\/li>\n<\/ol>\n\n\n\n<p>N\u0103m b\u01b0\u1edbc ki\u1ec3m tra n\u00e0y ng\u0103n ng\u1eeba h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i \u0111\u1eb7t h\u00e0ng v\u00e0 gi\u00fap tr\u00e1nh vi\u1ec7c l\u00e0m l\u1ea1i t\u1ed1n k\u00e9m, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong ho\u1ea1t \u0111\u1ed9ng mua s\u1eafm xu\u1ea5t kh\u1ea9u v\u00e0 theo d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u00e0i h\u1ecdc ch\u00ednh<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIN 933 \u0111\u01b0\u1ee3c ph\u00e2n lu\u1ed3ng \u0111\u1ea7y \u0111\u1ee7<\/strong>, trong khi <strong>DIN 931 \u0111\u01b0\u1ee3c x\u00e2u m\u1ed9t ph\u1ea7n b\u1eb1ng m\u1ed9t c\u00e1n<\/strong>.<\/li>\n\n\n\n<li>ch\u1ecdn <strong>DIN 933<\/strong> \u0111\u1ec3 c\u00f3 t\u00ednh linh ho\u1ea1t, c\u00e1c l\u1ed7 \u0111\u01b0\u1ee3c khai th\u00e1c v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn.<\/li>\n\n\n\n<li>ch\u1ecdn <strong>DIN 931<\/strong> khi c\u1ee5m l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb m\u1ed9t th\u00e2n tr\u01a1n b\u00ean trong kh\u1edbp.<\/li>\n\n\n\n<li><strong>DIN 931 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng m\u1ea1nh h\u01a1n<\/strong>; s\u1ef1 l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf chung.<\/li>\n\n\n\n<li>Sai l\u1ea7m mua h\u00e0ng l\u1edbn nh\u1ea5t l\u00e0 \u0111\u1eb7t h\u00e0ng <strong>DIN 931 m\u00e0 kh\u00f4ng ki\u1ec3m tra \u0111\u1ed9 d\u00e0i tay c\u1ea7m<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">DIN 933 c\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lu\u1ed3ng \u0111\u1ea7y \u0111\u1ee7 kh\u00f4ng?<\/h3>\n\n\n\n<p>V\u00e2ng. DIN 933 l\u00e0 phi\u00ean b\u1ea3n ren \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t \u0111\u1ea7u l\u1ee5c gi\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DIN 931 c\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n lu\u1ed3ng m\u1ed9t ph\u1ea7n kh\u00f4ng?<\/h3>\n\n\n\n<p>V\u00e2ng. DIN 931 c\u00f3 m\u1ed9t th\u00e2n tr\u01a1n nh\u1eb5n, kh\u00f4ng c\u00f3 ren gi\u1eefa \u0111\u1ea7u v\u00e0 ph\u1ea7n c\u00f3 ren.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1i n\u00e0o t\u1ed1t h\u01a1n cho c\u00e1c t\u1ed5 h\u1ee3p k\u1ebft c\u1ea5u ho\u1eb7c c\u01a1 kh\u00ed?<\/h3>\n\n\n\n<p>Trong nhi\u1ec1u m\u1ed1i n\u1ed1i k\u1ebft c\u1ea5u ho\u1eb7c c\u01a1 kh\u00ed, DIN 931 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean khi th\u00e2n tr\u01a1n \u0111i qua c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p. Tuy nhi\u00ean, n\u00f3 ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng n\u1ebfu chi\u1ec1u d\u00e0i bu l\u00f4ng \u0111\u00e3 ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 d\u00e0y tay c\u1ea7m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DIN 933 c\u00f3 th\u1ec3 thay th\u1ebf DIN 931 \u0111\u01b0\u1ee3c kh\u00f4ng?<\/h3>\n\n\n\n<p>\u0110\u00f4i khi, nh\u01b0ng kh\u00f4ng ph\u1ea3i theo m\u1eb7c \u0111\u1ecbnh. N\u1ebfu \u1ee9ng d\u1ee5ng ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1n tr\u01a1n \u0111\u1ec3 c\u0103n ch\u1ec9nh, ch\u1ecbu l\u1ef1c ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a kh\u1edbp th\u00ec DIN 933 c\u00f3 th\u1ec3 kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f4i n\u00ean bao g\u1ed3m nh\u1eefng g\u00ec trong m\u1ed9t RFQ?<\/h3>\n\n\n\n<p>T\u1ed1i thi\u1ec3u, ch\u1ec9 \u0111\u1ecbnh ti\u00eau chu\u1ea9n, \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i, v\u1eadt li\u1ec7u, lo\u1ea1i thu\u1ed9c t\u00ednh, \u0111\u1ed9 ho\u00e0n thi\u1ec7n, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 li\u1ec7u c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p thay th\u1ebf hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft ng\u01b0\u1eddi mua, s\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 gi\u1eefa DIN 933 v\u00e0 DIN 931 kh\u00f4ng ch\u1ec9 l\u00e0 con s\u1ed1 ti\u00eau chu\u1ea9n. N\u00f3 li\u00ean quan \u0111\u1ebfn v\u1ecb tr\u00ed c\u1ee7a s\u1ee3i ch\u1ec9 trong c\u1ee5m v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a chi ti\u1ebft si\u1ebft ch\u1eb7t trong m\u1ed1i n\u1ed1i.<\/p>\n\n\n\n<p>DIN 933 th\u01b0\u1eddng l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n khi b\u1ea1n c\u1ea7n t\u00ednh linh ho\u1ea1t c\u1ee7a to\u00e0n b\u1ed9 s\u1ee3i, th\u1ea3 d\u1ec5 d\u00e0ng h\u01a1n ho\u1eb7c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong c\u00e1c l\u1ed7 ren. DIN 931 th\u01b0\u1eddng l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n khi c\u1ee5m l\u1eafp r\u00e1p c\u1ea7n m\u1ed9t c\u00e1n kh\u00f4ng ren b\u00ean trong c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c k\u1eb9p.<\/p>\n\n\n\n<p>N\u1ebfu b\u1ea1n mua \u0111\u1ec3 b\u00e1n l\u1ea1i ho\u1eb7c cung c\u1ea5p cho c\u00f4ng nghi\u1ec7p n\u00f3i chung, DIN 933 th\u01b0\u1eddng l\u00e0 m\u1eb7c \u0111\u1ecbnh d\u1ec5 d\u00e0ng h\u01a1n. N\u1ebfu b\u1ea1n mua theo b\u1ea3n v\u1ebd ho\u1eb7c \u0111\u1ec3 l\u1eafp r\u00e1p c\u01a1 kh\u00ed ho\u1eb7c k\u1ebft c\u1ea5u, h\u00e3y ki\u1ec3m tra chi\u1ec1u d\u00e0i b\u00e1ng c\u1ea7m c\u1ea9n th\u1eadn tr\u01b0\u1edbc khi ch\u1ecdn DIN 931. B\u01b0\u1edbc duy nh\u1ea5t \u0111\u00f3 gi\u00fap ng\u0103n ng\u1eeba nhi\u1ec1u l\u1ed7i \u0111\u1eb7t h\u00e0ng c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c.<\/p>","protected":false},"excerpt":{"rendered":"<p>DIN 933 vs DIN 931: How to Choose Between Fully Threaded and Partially Threaded Hex Bolts If you are comparing DIN 933 and DIN 931, the key question is usually not just \u201cwhat standard is this?\u201d but \u201cwhich one should I actually buy for my assembly?\u201d The answer affects clamp performance, fit-up, shear behavior, installation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[109],"tags":[],"class_list":["post-2299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-guides"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/2299","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=2299"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/2299\/revisions"}],"predecessor-version":[{"id":2308,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/2299\/revisions\/2308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media\/2307"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=2299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=2299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=2299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}