{"id":6711,"date":"2022-02-10T17:29:32","date_gmt":"2022-02-10T09:29:32","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6711"},"modified":"2026-06-18T17:31:13","modified_gmt":"2026-06-18T09:31:13","slug":"din-444-eye-bolts-standard-requirements-and-procurement-tips","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/din-444-eye-bolts-standard-requirements-and-procurement-tips\/","title":{"rendered":"DIN 444 Bu l\u00f4ng m\u1eaft: Y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n v\u00e0 m\u1eb9o mua s\u1eafm"},"content":{"rendered":"<p>DIN 444 bu l\u00f4ng m\u1eaft th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u cho c\u00e1c \u0111\u1ed3 g\u00e1, m\u1ed1i li\u00ean k\u1ebft, b\u1ea3n l\u1ec1, b\u1ed9 ph\u1eadn c\u0103ng v\u00e0 c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i c\u01a1 kh\u00ed. Ch\u00fang c\u00f3 h\u00ecnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n nh\u01b0ng ng\u01b0\u1eddi mua kh\u00f4ng n\u00ean coi ch\u00fang nh\u01b0 nh\u1eefng chi\u1ebfc bu l\u00f4ng th\u00f4ng th\u01b0\u1eddng c\u00f3 v\u00f2ng l\u1eb7p.<\/p>\n\n\n\n<p>V\u1ea5n \u0111\u1ec1 ch\u00ednh l\u00e0 \u1ee9ng d\u1ee5ng. DIN 444 Bu l\u00f4ng m\u1eaft th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m bu l\u00f4ng xoay ho\u1eb7c bu l\u00f4ng k\u1ebft n\u1ed1i. N\u1ebfu b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 n\u00e2ng, ng\u01b0\u1eddi mua ph\u1ea3i x\u00e1c nh\u1eadn ri\u00eang y\u00eau c\u1ea7u n\u00e2ng \u0111\u1ecbnh m\u1ee9c. \u0110\u1eebng cho r\u1eb1ng m\u1ecdi bu l\u00f4ng m\u1eaft \u0111\u1ec1u ph\u00f9 h\u1ee3p \u0111\u1ec3 n\u00e2ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Bu l\u00f4ng m\u1eaft l\u00e0 g\u00ec (DIN 444)<\/h2>\n\n\n\n<p>DIN 444 x\u00e1c \u0111\u1ecbnh bu l\u00f4ng m\u1eaft h\u1ec7 m\u00e9t c\u00f3 chu\u00f4i ren v\u00e0 \u0111\u1ea7u h\u00ecnh con m\u1eaft. M\u1eaft c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i b\u1eb1ng ch\u1ed1t, m\u00f3c, c\u00f9m, thanh ho\u1eb7c b\u1ed9 ph\u1eadn d\u1eabn h\u01b0\u1edbng.<\/p>\n\n\n\n<p>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed3 \u0111\u1ea1c m\u00e1y m\u00f3c<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng k\u1eb9p<\/li>\n\n\n\n<li>K\u1ebft n\u1ed1i b\u1ea3n l\u1ec1<\/li>\n\n\n\n<li>Thanh li\u00ean k\u1ebft<\/li>\n\n\n\n<li>Y\u1ebfu t\u1ed1 h\u01b0\u1edbng d\u1eabn<\/li>\n\n\n\n<li>K\u00e9o ho\u1eb7c \u0111\u1ecbnh v\u1ecb c\u01a1 h\u1ecdc nh\u1eb9<\/li>\n<\/ul>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t chung <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/bolts\/\">s\u1ea3n ph\u1ea9m bu l\u00f4ng<\/a> tr\u01b0\u1edbc khi x\u00e1c nh\u1eadn xem DIN 444 c\u00f3 ph\u1ea3i l\u00e0 lo\u1ea1i s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p hay kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c y\u00eau c\u1ea7u ch\u00ednh (DIN 444)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">H\u00ecnh th\u1ee9c, k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ee7 \u0111\u1ec1<\/h3>\n\n\n\n<p>DIN 444 bu l\u00f4ng m\u1eaft th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 D\u1ea1ng A, D\u1ea1ng B ho\u1eb7c D\u1ea1ng C. D\u1ea1ng B th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong cung \u1ee9ng c\u00f4ng nghi\u1ec7p th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>RFQ M\u1ee5c<\/th><th>Nh\u1eefng g\u00ec ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn<\/th><\/tr><\/thead><tbody><tr><td>bi\u1ec3u m\u1eabu<\/td><td>Bi\u1ebfn th\u1ec3 A, B, C ho\u1eb7c d\u1ef1a tr\u00ean b\u1ea3n v\u1ebd<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc ch\u1ee7 \u0111\u1ec1<\/td><td>Chu\u1ed7i h\u1ec7 m\u00e9t nh\u01b0 M6, M8, M10, M12<\/td><\/tr><tr><td>Chi\u1ec1u d\u00e0i s\u1ee3i<\/td><td>\u0110\u1ed9 d\u00e0i ti\u00eau chu\u1ea9n ho\u1eb7c t\u00f9y ch\u1ec9nh<\/td><\/tr><tr><td>chi\u1ec1u d\u00e0i t\u1ed5ng th\u1ec3<\/td><td>Ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi v\u1eadt c\u1ed1 \u0111\u1ecbnh ho\u1eb7c kh\u00f4ng gian l\u1eafp r\u00e1p<\/td><\/tr><tr><td>V\u1eadt li\u1ec7u<\/td><td>Th\u00e9p cacbon, th\u00e9p h\u1ee3p kim, th\u00e9p kh\u00f4ng g\u1ec9<\/td><\/tr><tr><td>L\u1edbp<\/td><td>4.6, 8.8, A2-70, ho\u1eb7c c\u1ea5p d\u1ef1 \u00e1n<\/td><\/tr><tr><td>K\u1ebft th\u00fac<\/td><td>\u0110\u1ed3ng b\u1eb1ng, oxit \u0111en, m\u1ea1 k\u1ebdm, kh\u00f4ng g\u1ec9 s\u00e1ng<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c y\u00eau c\u1ea7u chung v\u1ec1 danh m\u1ee5c, ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 so s\u00e1nh <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/standard-fasteners\/\">\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ch\u1ea5t li\u1ec7u v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n<\/h2>\n\n\n\n<p>Bu l\u00f4ng m\u1eaft b\u1eb1ng th\u00e9p th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 s\u1eed d\u1ee5ng cho m\u00e1y m\u00f3c v\u00e0 \u0111\u1ed3 g\u00e1. Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean s\u1eed d\u1ee5ng khi c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. (DIN 444)<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi, \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f3 h\u00f3a ch\u1ea5t th\u00ec l\u1edbp ph\u1ee7 ph\u1ea3i \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh r\u00f5 r\u00e0ng. M\u1ea1 k\u1ebdm, oxit \u0111en, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c l\u1edbp ho\u00e0n thi\u1ec7n kh\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ho\u1ea1t \u0111\u1ed9ng l\u1eafp r\u00e1p.<\/p>\n\n\n\n<p>Ng\u01b0\u1eddi mua c\u00f3 th\u1ec3 xem x\u00e9t <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> khi l\u1ef1a ch\u1ecdn k\u1ebft th\u00fac l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a y\u00eau c\u1ea7u d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nh\u1eefng sai l\u1ea7m trong mua s\u1eafm c\u1ea7n tr\u00e1nh<\/h2>\n\n\n\n<p>Nhi\u1ec1u v\u1ea5n \u0111\u1ec1 v\u1ec1 tr\u1eadt t\u1ef1 xu\u1ea5t ph\u00e1t t\u1eeb nh\u1eefng m\u00f4 t\u1ea3 m\u01a1 h\u1ed3.<\/p>\n\n\n\n<p>H\u00e3y tr\u00e1nh nh\u1eefng sai l\u1ea7m sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ch\u1ec9 \u0111\u1eb7t h\u00e0ng b\u1eb1ng \u201cm\u1eaft M10.\u201d<\/li>\n\n\n\n<li>Kh\u00f4ng ghi r\u00f5 m\u1eabu DIN 444.<\/li>\n\n\n\n<li>B\u1ecf qua chi\u1ec1u d\u00e0i s\u1ee3i.<\/li>\n\n\n\n<li>Gi\u1ea3 s\u1eed DIN 444 ph\u00f9 h\u1ee3p \u0111\u1ec3 n\u00e2ng.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u tr\u1ed9n th\u00e9p carbon v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9.<\/li>\n\n\n\n<li>Kh\u00f4ng x\u00e1c nh\u1eadn \u0111\u1ed9 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t.<\/li>\n\n\n\n<li>G\u1eedi m\u1ed9t b\u1ee9c \u1ea3nh kh\u00f4ng c\u00f3 k\u00edch th\u01b0\u1edbc.<\/li>\n\n\n\n<li>Qu\u00ean c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111ai \u1ed1c, ch\u1ed1t ho\u1eb7c b\u1ed9 ph\u1eadn giao ph\u1ed1i.<\/li>\n<\/ul>\n\n\n\n<p>N\u1ebfu k\u00edch th\u01b0\u1edbc m\u1eaft, chi\u1ec1u d\u00e0i th\u00e2n, chi\u1ec1u d\u00e0i s\u1ee3i ho\u1eb7c v\u1eadt li\u1ec7u kh\u00f4ng tu\u00e2n theo k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n, h\u00e3y 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 cung c\u1ea5p b\u1ea3n v\u1ebd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RFQ Danh s\u00e1ch ki\u1ec3m tra cho DIN 444 Bu l\u00f4ng m\u1eaft<\/h2>\n\n\n\n<p>M\u1ed9t RFQ r\u00f5 r\u00e0ng n\u00ean bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>DIN 444 form<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc v\u00e0 b\u01b0\u1edbc ren<\/li>\n\n\n\n<li>Chi\u1ec1u d\u00e0i t\u1ed5ng th\u1ec3 v\u00e0 chi\u1ec1u d\u00e0i s\u1ee3i<\/li>\n\n\n\n<li>Ch\u1ea5t li\u1ec7u v\u00e0 l\u1edbp<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n<\/li>\n\n\n\n<li>Quantity<\/li>\n\n\n\n<li>\u1ee8ng d\u1ee5ng: \u0111\u00e1nh gi\u00e1 v\u1eadt c\u1ed1 \u0111\u1ecbnh, b\u1ea3n l\u1ec1, k\u00e9o, \u0111\u1ecbnh v\u1ecb ho\u1eb7c n\u00e2ng<\/li>\n\n\n\n<li>B\u00e1o c\u00e1o ho\u1eb7c gi\u1ea5y ch\u1ee9ng nh\u1eadn ki\u1ec3m tra c\u1ea7n thi\u1ebft<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 \u0111\u00f3ng g\u00f3i v\u00e0 ghi nh\u00e3n<\/li>\n<\/ol>\n\n\n\n<p>\u0110\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng \u0111\u1ea7y \u0111\u1ee7, 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.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi khuy\u00ean cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>DIN 444 Bu l\u00f4ng m\u1eaft l\u00e0 nh\u1eefng \u1ed1c v\u00edt k\u1ebft n\u1ed1i c\u01a1 h\u1ecdc h\u1eefu \u00edch, nh\u01b0ng ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u1ea9n th\u1eadn. X\u00e1c nh\u1eadn h\u00ecnh th\u1ee9c, k\u00edch th\u01b0\u1edbc, v\u1eadt li\u1ec7u, c\u1ea5p \u0111\u1ed9, \u0111\u1ed9 ho\u00e0n thi\u1ec7n v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/p>\n\n\n\n<p>N\u1ebfu c\u1ea7n ph\u1ea3i n\u00e2ng, h\u00e3y y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n v\u00e0 chi ti\u1ebft si\u1ebft ch\u1eb7t n\u00e2ng \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng ch\u00ednh x\u00e1c. Vi\u1ec7c ki\u1ec3m tra duy nh\u1ea5t \u0111\u00f3 c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng v\u1ec1 mua s\u1eafm v\u00e0 an to\u00e0n.<\/p>","protected":false},"excerpt":{"rendered":"<p>DIN 444 eye bolts are often requested for fixtures, linkages, hinges, tensioning parts, and mechanical connection points. They are simple in shape, but buyers should not treat them as ordinary bolts with a loop. The main issue is application. DIN 444 eye bolts are commonly used as swing bolts or connection bolts. If the part [&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":[497],"class_list":["post-6711","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-fastener-standards-cross-reference"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6711","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=6711"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6711\/revisions"}],"predecessor-version":[{"id":6712,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6711\/revisions\/6712"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6711"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6711"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6711"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}