{"id":5572,"date":"2025-12-19T08:47:04","date_gmt":"2025-12-19T08:47:04","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5572"},"modified":"2025-12-19T08:48:21","modified_gmt":"2025-12-19T08:48:21","slug":"technical-standards-for-self-tapping-screws-gb-t-3098-5-2016","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/technical-standards-for-self-tapping-screws-gb-t-3098-5-2016\/","title":{"rendered":"Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt cho v\u00edt t\u1ef1 ren: GB\/T 3098.5-2016"},"content":{"rendered":"
\n

Ti\u00eau chu\u1ea9n GB\/T 3098.5-2016 quy \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a v\u00edt t\u1ef1 ren, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a ch\u00fang trong c\u00e1c \u1ee9ng d\u1ee5ng l\u1eafp gh\u00e9p trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, x\u00e2y d\u1ef1ng v\u00e0 \u0111i\u1ec7n t\u1eed. Ti\u00eau chu\u1ea9n n\u00e0y n\u00eau r\u00f5 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t, \u0111\u1ed9 s\u00e2u l\u1edbp v\u1ecf, \u0111\u1ed9 c\u1ee9ng l\u00f5i, \u0111\u1ed9 d\u00e0y t\u1ea5m th\u1eed v\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 cho c\u00e1c th\u1eed nghi\u1ec7m t\u1ea1o ren, v\u00e0 \u0111\u1ed9 b\u1ec1n xo\u1eafn t\u1ed1i thi\u1ec3u. Vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng v\u00edt t\u1ef1 ren ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong vi\u1ec7c t\u1ea1o ren m\u00e0 kh\u00f4ng c\u1ea7n khoan tr\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/p>\n

C\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc ch\u00ednh<\/h2>\n

Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh cho v\u00edt t\u1ef1 ren c\u00f3 k\u00fd hi\u1ec7u ren t\u1eeb ST2.2 \u0111\u1ebfn ST9.5. C\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y bao g\u1ed3m \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t t\u1ed1i thi\u1ec3u, ph\u1ea1m vi \u0111\u1ed9 s\u00e2u l\u1edbp v\u1ecf, ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng l\u00f5i, k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c t\u1ea5m th\u1eed ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u1eed nghi\u1ec7m hi\u1ec7u su\u1ea5t ren, v\u00e0 gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 t\u1ed1i thi\u1ec3u. D\u1eef li\u1ec7u n\u00e0y \u0111\u1ea3m b\u1ea3o v\u00edt c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u1ee9ng su\u1ea5t khi l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1eadn h\u00e0nh.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Thu\u1ed9c t\u00ednh \/ Ch\u1ee7 \u0111\u1ec1<\/th>\nST2.2<\/th>\nST2.6<\/th>\nST2.9<\/th>\nST3.3<\/th>\nST3.5<\/th>\nST3.9<\/th>\nST4.2<\/th>\nST4.8<\/th>\nST5.5<\/th>\nST6.3<\/th>\nST8<\/th>\nST9.5<\/th>\n<\/tr>\n<\/thead>\n
\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t (t\u1ed1i thi\u1ec3u)<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n450 HV0.3<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u00e0y v\u1ecf \u0111\u1ea1n (t\u1ed1i thi\u1ec3u, mm)<\/td>\n0.04<\/td>\n0.04<\/td>\n0.05<\/td>\n0.05<\/td>\n0.05<\/td>\n0.1<\/td>\n0.1<\/td>\n0.1<\/td>\n0.1<\/td>\n0.15<\/td>\n0.15<\/td>\n0.15<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u00e0y v\u1ecf (t\u1ed1i \u0111a, mm)<\/td>\n0.1<\/td>\n0.1<\/td>\n0.18<\/td>\n0.18<\/td>\n0.18<\/td>\n0.23<\/td>\n0.23<\/td>\n0.23<\/td>\n0.23<\/td>\n0.28<\/td>\n0.28<\/td>\n0.28<\/td>\n<\/tr>\n
\u0110\u1ed9 c\u1ee9ng l\u00f5i (kho\u1ea3ng)<\/td>\n270 HV5 ~ 370 HV5<\/td>\n270 HV5 ~ 370 HV5<\/td>\n270 HV5 ~ 370 HV5<\/td>\n270 HV5 ~ 370 HV5<\/td>\n270 HV5 ~ 370 HV5<\/td>\n270 HV5 ~ 370 HV5<\/td>\n270 HV10 ~ 370 HV10<\/td>\n270 HV10 ~ 370 HV10<\/td>\n270 HV10 ~ 370 HV10<\/td>\n270 HV10 ~ 370 HV10<\/td>\n270 HV10 ~ 370 HV10<\/td>\n270 HV10 ~ 370 HV10<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u00e0y t\u1ea5m th\u1eed ti\u00eau chu\u1ea9n (t\u1ed1i thi\u1ec3u, mm)<\/td>\n1.17<\/td>\n1.17<\/td>\n1.17<\/td>\n1.17<\/td>\n1.85<\/td>\n1.85<\/td>\n1.85<\/td>\n3.1<\/td>\n3.1<\/td>\n4.67<\/td>\n4.67<\/td>\n4.67<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u00e0y t\u1ea5m th\u1eed ti\u00eau chu\u1ea9n (t\u1ed1i \u0111a, mm)<\/td>\n1.3<\/td>\n1.3<\/td>\n1.3<\/td>\n1.3<\/td>\n2.06<\/td>\n2.06<\/td>\n2.06<\/td>\n3.23<\/td>\n3.23<\/td>\n5.05<\/td>\n5.05<\/td>\n5.05<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 ti\u00eau chu\u1ea9n tr\u00ean t\u1ea5m th\u1eed (t\u1ed1i thi\u1ec3u, mm)<\/td>\n1.905<\/td>\n2.185<\/td>\n2.415<\/td>\n2.68<\/td>\n2.92<\/td>\n3.24<\/td>\n3.43<\/td>\n4.015<\/td>\n4.735<\/td>\n5.475<\/td>\n6.885<\/td>\n8.27<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 ti\u00eau chu\u1ea9n tr\u00ean t\u1ea5m th\u1eed (t\u1ed1i \u0111a, mm)<\/td>\n1.955<\/td>\n2.235<\/td>\n2.465<\/td>\n2.73<\/td>\n2.97<\/td>\n3.29<\/td>\n3.48<\/td>\n4.065<\/td>\n4.785<\/td>\n5.525<\/td>\n6.935<\/td>\n8.33<\/td>\n<\/tr>\n
M\u00f4men xo\u1eafn ph\u00e1 v\u1ee1 (ph\u00fat, N\u00b7m)<\/td>\n0.45<\/td>\n0.9<\/td>\n1.5<\/td>\n2<\/td>\n2.7<\/td>\n3.4<\/td>\n4.4<\/td>\n6.3<\/td>\n10<\/td>\n13.6<\/td>\n30.5<\/td>\n68<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

L\u01b0u \u00fd: Gi\u00e1 tr\u1ecb \u0111\u1ed9 c\u1ee9ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p Vickers v\u1edbi t\u1ea3i tr\u1ecdng x\u00e1c \u0111\u1ecbnh (v\u00ed d\u1ee5: HV0.3 bi\u1ec3u th\u1ecb t\u1ea3i tr\u1ecdng 0,3 kgf). \u0110\u1ed9 s\u00e2u l\u1edbp th\u1ea5m cacbon, r\u1ea5t c\u1ea7n thi\u1ebft cho kh\u1ea3 n\u0103ng t\u1ea1o ren. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a t\u1ea5m th\u1eed \u0111\u1ea3m b\u1ea3o \u0111\u00e1nh gi\u00e1 nh\u1ea5t qu\u00e1n hi\u1ec7u su\u1ea5t taro.<\/p>\n

Ti\u00eau chu\u1ea9n thay th\u1ebf<\/h2>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch qu\u1ed1c t\u1ebf, ti\u00eau chu\u1ea9n GB\/T 3098.5-2016 ph\u00f9 h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi ti\u00eau chu\u1ea9n ISO 2702:2011, ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0a ra c\u00e1c y\u00eau c\u1ea7u t\u01b0\u01a1ng \u0111\u01b0\u01a1ng cho v\u00edt t\u1ef1 ren b\u1eb1ng th\u00e9p \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t.<\/p>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n
\n
\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t c\u1ee7a v\u00edt t\u1ef1 ren c\u00f3 t\u00e1c d\u1ee5ng g\u00ec?<\/dt>\n
\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t, \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u 450 HV0.3, \u0111\u1ea3m b\u1ea3o v\u00edt c\u00f3 th\u1ec3 c\u1eaft v\u00e0 t\u1ea1o ren trong v\u1eadt li\u1ec7u gh\u00e9p n\u1ed1i m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 l\u1eafp r\u00e1p t\u1ea5m kim lo\u1ea1i.<\/dd>\n
\u0110\u1ed9 s\u00e2u c\u1ee7a r\u00e3nh v\u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a v\u00edt nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n
\u0110\u1ed9 d\u00e0y l\u1edbp v\u1ecf, dao \u0111\u1ed9ng t\u1eeb t\u1ed1i thi\u1ec3u 0,04 mm \u0111\u1ebfn t\u1ed1i \u0111a 0,28 mm t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc, t\u1ea1o ra m\u1ed9t l\u1edbp ngo\u00e0i c\u1ee9ng ch\u1eafc \u0111\u1ec3 t\u1ea1o ren trong khi v\u1eabn duy tr\u00ec l\u00f5i c\u1ee9ng c\u00e1p h\u01a1n, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng g\u00e3y gi\u00f2n trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/dd>\n
T\u1ea1i sao l\u1ea1i c\u1ea7n c\u00f3 c\u00e1c ph\u1ea1m vi \u0111\u1ed9 c\u1ee9ng l\u00f5i \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh?<\/dt>\n
\u0110\u1ed9 c\u1ee9ng l\u00f5i (270 \u0111\u1ebfn 370 HV v\u1edbi t\u1ea3i tr\u1ecdng kh\u00e1c nhau) c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo, \u0111\u1ea3m b\u1ea3o v\u00edt ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t xo\u1eafn m\u00e0 kh\u00f4ng b\u1ecb n\u1ee9t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eafc ch\u1eafn trong m\u00f4i tr\u01b0\u1eddng n\u0103ng \u0111\u1ed9ng.<\/dd>\n
K\u00edch th\u01b0\u1edbc c\u1ee7a t\u1ea5m th\u1eed nghi\u1ec7m cho bi\u1ebft \u0111i\u1ec1u g\u00ec?<\/dt>\n
C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y chu\u1ea9n h\u00f3a c\u00e1c th\u1eed nghi\u1ec7m ren, m\u00f4 ph\u1ecfng c\u00e1c v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf. V\u00ed d\u1ee5, \u0111\u1ed1i v\u1edbi ST4.8, \u0111\u1ed9 d\u00e0y t\u1ea5m dao \u0111\u1ed9ng t\u1eeb 3,1 \u0111\u1ebfn 3,23 mm v\u1edbi \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 t\u1eeb 4,015 \u0111\u1ebfn 4,065 mm, nh\u1eb1m x\u00e1c minh t\u00ednh nh\u1ea5t qu\u00e1n v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a v\u00edt.<\/dd>\n
M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1 \u0111\u01b0\u1ee3c ki\u1ec3m tra nh\u01b0 th\u1ebf n\u00e0o v\u00e0 t\u1ea1i sao \u0111i\u1ec1u \u0111\u00f3 l\u1ea1i quan tr\u1ecdng?<\/dt>\n
M\u00f4-men xo\u1eafn ph\u00e1 v\u1ee1, v\u1edbi gi\u00e1 tr\u1ecb t\u1ed1i thi\u1ec3u l\u00ean \u0111\u1ebfn 68 N\u00b7m \u0111\u1ed1i v\u1edbi ti\u00eau chu\u1ea9n ST9.5, \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng c\u00e1ch t\u00e1c d\u1ee5ng m\u00f4-men xo\u1eafn cho \u0111\u1ebfn khi b\u1ecb g\u00e3y. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o v\u00edt c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c l\u1eafp \u0111\u1eb7t m\u00e0 kh\u00f4ng b\u1ecb g\u00e3y, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 an to\u00e0n trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u.<\/dd>\n
Ti\u00eau chu\u1ea9n GB\/T 3098.5-2016 c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf kh\u00f4ng?<\/dt>\n
\u0110\u00fang v\u1eady, n\u00f3 \u0111\u01b0\u1ee3c h\u00e0i h\u00f2a v\u1edbi ti\u00eau chu\u1ea9n ISO 2702:2011, cho ph\u00e9p kh\u1ea3 n\u0103ng thay th\u1ebf to\u00e0n c\u1ea7u trong thi\u1ebft k\u1ebf v\u00e0 mua s\u1eafm v\u00edt t\u1ef1 ren.<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"

GB\/T 3098.5-2016 specifies the mechanical properties of self-tapping screws, ensuring their reliability in fastening applications across industries such as automotive, construction, and electronics. This standard outlines requirements for surface hardness, case depth, core hardness, test plate thickness and hole diameter for tapping tests, and minimum torsional strength. Compliance with these parameters guarantees that self-tapping screws […]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5572","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5572"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5572\/revisions"}],"predecessor-version":[{"id":5574,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5572\/revisions\/5574"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5572"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}