{"id":7031,"date":"2021-10-07T13:36:23","date_gmt":"2021-10-07T05:36:23","guid":{"rendered":"https:\/\/xzfastener.com\/?p=7031"},"modified":"2026-06-23T13:38:08","modified_gmt":"2026-06-23T05:38:08","slug":"asme-b18-2-2-nuts-inch-nut-dimensions-and-standards-explained","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/asme-b18-2-2-nuts-inch-nut-dimensions-and-standards-explained\/","title":{"rendered":"ASME B18.2.2 \u0110ai \u1ed1c: Gi\u1ea3i th\u00edch v\u1ec1 K\u00edch th\u01b0\u1edbc v\u00e0 Ti\u00eau chu\u1ea9n \u0110ai \u1ed1c inch"},"content":{"rendered":"

ASME B18.2.2 l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n ch\u00ednh m\u00e0 ng\u01b0\u1eddi mua th\u1ea5y khi t\u00ecm ngu\u1ed3n cung \u1ee9ng \u0111ai \u1ed1c lo\u1ea1i inch cho c\u00e1c d\u1ef1 \u00e1n \u1edf B\u1eafc M\u1ef9. N\u00f3 bao g\u1ed3m c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc cho \u0111ai \u1ed1c v\u00edt m\u00e1y, \u0111ai \u1ed1c l\u1ee5c gi\u00e1c, \u0111ai \u1ed1c vu\u00f4ng, \u0111ai \u1ed1c m\u1eb7t b\u00edch l\u1ee5c gi\u00e1c v\u00e0 \u0111ai \u1ed1c kh\u1edbp n\u1ed1i.<\/p>\n\n\n\n

\u0110i\u1ec3m m\u1ea5u ch\u1ed1t r\u1ea5t \u0111\u01a1n gi\u1ea3n: ASME B18.2.2 \u0111i\u1ec1u khi\u1ec3n k\u00edch th\u01b0\u1edbc \u0111ai \u1ed1c. N\u00f3 kh\u00f4ng thay th\u1ebf c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u1ea5p v\u1eadt li\u1ec7u, c\u1ea5p ren, l\u1edbp ph\u1ee7 ho\u1eb7c t\u1ea3i tr\u1ecdng th\u1eed.<\/p>\n\n\n\n

What ASME B18.2.2 Covers<\/h2>\n\n\n\n

C\u00e1c lo\u1ea1i \u0111ai \u1ed1c inch ph\u1ed5 bi\u1ebfn<\/h3>\n\n\n\n
Lo\u1ea1i \u0111ai \u1ed1c<\/th>S\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>L\u01b0u \u00fd ng\u01b0\u1eddi mua<\/th><\/tr><\/thead>
\u0110ai \u1ed1c l\u1ee5c gi\u00e1c \u0111\u00e3 ho\u00e0n th\u00e0nh<\/td>Bu l\u00f4ng inch chung<\/td>Ph\u1ed5 bi\u1ebfn v\u1edbi c\u00e1c bu l\u00f4ng UNC\/UNF<\/td><\/tr>
\u0110ai \u1ed1c l\u1ee5c gi\u00e1c n\u1eb7ng<\/td>C\u00e1c m\u1ed1i n\u1ed1i k\u1ebft c\u1ea5u ho\u1eb7c ch\u1ecbu t\u1ea3i cao h\u01a1n<\/td>L\u1edbn h\u01a1n tr\u00ean c\u00e1c c\u0103n h\u1ed9 v\u00e0 c\u01a1 th\u1ec3 d\u00e0y h\u01a1n<\/td><\/tr>
M\u1ee9t h\u1ea1t<\/td>Kh\u00f3a ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh<\/td>M\u1ecfng h\u01a1n \u0111ai \u1ed1c l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n<\/td><\/tr>
\u0110ai \u1ed1c vu\u00f4ng<\/td>Thi\u1ebft b\u1ecb, k\u00eanh, \u0111\u1ed3 \u0111\u1ea1c c\u0169 h\u01a1n<\/td>Ti\u1ebfp x\u00fac v\u00f2ng bi l\u1edbn h\u01a1n<\/td><\/tr>
\u0110ai \u1ed1c kh\u1edbp n\u1ed1i<\/td>N\u1ed1i thanh ren<\/td>V\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 d\u00e0i v\u00e0 s\u1ef1 g\u1eafn k\u1ebft c\u1ee7a s\u1ee3i ch\u1ec9<\/td><\/tr>
\u0110ai \u1ed1c m\u1eb7t b\u00edch l\u1ee5c gi\u00e1c<\/td>L\u1eafp r\u00e1p v\u1edbi m\u1eb7t ch\u1ecbu l\u1ef1c t\u00edch h\u1ee3p<\/td>Ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh m\u1eb7t b\u00edch v\u00e0 r\u0103ng c\u01b0a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ec3 t\u00ecm ngu\u1ed3n cung \u1ee9ng s\u1ea3n ph\u1ea9m, h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c lo\u1ea1i h\u1ea1t c\u00f4ng nghi\u1ec7p<\/a> v\u00e0 x\u00e1c nh\u1eadn ki\u1ec3u \u0111ai \u1ed1c ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi b\u00e1o gi\u00e1.<\/p>\n\n\n\n

K\u00edch th\u01b0\u1edbc ch\u00ednh Ng\u01b0\u1eddi mua n\u00ean ki\u1ec3m tra<\/h2>\n\n\n\n

Kh\u00f4ng ch\u1ec9 \u0111\u1ecbnh \u201c1\/2 \u0110ai \u1ed1c inch\u201d (2 Inch)<\/h3>\n\n\n\n

M\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra \u0111ai \u1ed1c th\u00edch h\u1ee3p n\u00ean bao g\u1ed3m nhi\u1ec1u h\u01a1n k\u00edch th\u01b0\u1edbc danh ngh\u0129a. (ASME B18.2.2)<\/p>\n\n\n\n

K\u00edch th\u01b0\u1edbc \/ Y\u00eau c\u1ea7u<\/th>T\u1ea1i sao n\u00f3 quan tr\u1ecdng<\/th><\/tr><\/thead>
K\u00edch th\u01b0\u1edbc ch\u1ee7 \u0111\u1ec1 danh ngh\u0129a<\/td>Ph\u00f9 h\u1ee3p v\u1edbi bu l\u00f4ng ho\u1eb7c thanh ren<\/td><\/tr>
TPI<\/td>X\u00e1c nh\u1eadn ch\u1ee7 \u0111\u1ec1 UNC ho\u1eb7c UNF<\/td><\/tr>
Chi\u1ec1u r\u1ed9ng kh\u1eafp c\u0103n h\u1ed9<\/td>\u0110i\u1ec1u khi\u1ec3n c\u1edd l\u00ea\/\u1ed5 c\u1eafm ph\u00f9 h\u1ee3p<\/td><\/tr>
Chi\u1ec1u r\u1ed9ng qua c\u00e1c g\u00f3c<\/td>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn khe h\u1edf trong c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ch\u1eb7t ch\u1ebd<\/td><\/tr>
\u0110\u1ed9 d\u00e0y \u0111ai \u1ed1c<\/td>H\u1ed7 tr\u1ee3 t\u01b0\u01a1ng t\u00e1c lu\u1ed3ng v\u00e0 t\u1ea3i b\u1eb1ng ch\u1ee9ng<\/td><\/tr>
B\u1ec1 m\u1eb7t ch\u1ecbu l\u1ef1c<\/td>\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ed7 ng\u1ed3i v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ea3i tr\u01b0\u1edbc<\/td><\/tr>
Ki\u1ec3u v\u00e1t<\/td>Gi\u00fap l\u1eafp r\u00e1p v\u00e0 ki\u1ec3m tra tr\u1ef1c quan<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

C\u00e1c v\u00ed d\u1ee5 v\u1ec1 ren inch ph\u1ed5 bi\u1ebfn bao g\u1ed3m 1\/2″-13 UNC v\u00e0 1\/2″-20 UNF. \u0110\u00e2y kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n\n\n\n

L\u1edbp v\u00e0 v\u1eadt li\u1ec7u ri\u00eang bi\u1ec7t<\/h2>\n\n\n\n

N\u1ed1i \u0111ai \u1ed1c v\u1edbi bu l\u00f4ng<\/h3>\n\n\n\n

ASME B18.2.2 cho bi\u1ebft h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc. Hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc th\u01b0\u1eddng \u0111\u1ebfn t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASTM A563, ASTM A194, SAE J995, ho\u1eb7c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng bu l\u00f4ng<\/th>H\u01b0\u1edbng h\u1ea1t chung<\/th><\/tr><\/thead>
Bu l\u00f4ng inch chung<\/td>SAE ho\u1eb7c ASTM \u0111ai \u1ed1c l\u1ee5c gi\u00e1c t\u01b0\u01a1ng th\u00edch<\/td><\/tr>
Bu l\u00f4ng k\u1ebft c\u1ea5u<\/td>ASTM A563 \u0111ai \u1ed1c l\u1ee5c gi\u00e1c n\u1eb7ng<\/td><\/tr>
B7 studs<\/td>ASTM A194 2H \u0111ai \u1ed1c l\u1ee5c gi\u00e1c n\u1eb7ng<\/td><\/tr>
l\u1eafp r\u00e1p kh\u00f4ng g\u1ec9<\/td>ASTM F594 ho\u1eb7c \u0111ai \u1ed1c kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Khi t\u00ecm ngu\u1ed3n cung \u1ee9ng l\u1eafp r\u00e1p ho\u00e0n ch\u1ec9nh, h\u00e3y ki\u1ec3m tra bu l\u00f4ng<\/a> v\u00e0 v\u00f2ng \u0111\u1ec7m<\/a> c\u00f9ng v\u1edbi ti\u00eau chu\u1ea9n \u0111ai \u1ed1c.<\/p>\n\n\n\n

Danh s\u00e1ch ki\u1ec3m tra mua h\u00e0ng th\u1ef1c t\u1ebf<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng c\u00e1c lo\u1ea1i h\u1ea1t, h\u00e3y x\u00e1c nh\u1eadn: (ASME B18.2.2)<\/p>\n\n\n\n

    \n
  1. K\u00edch th\u01b0\u1edbc ren inch v\u00e0 TPI.<\/li>\n\n\n\n
  2. M\u1eabu \u0111ai \u1ed1c: h\u00ecnh l\u1ee5c gi\u00e1c ho\u00e0n thi\u1ec7n, h\u00ecnh l\u1ee5c gi\u00e1c n\u1eb7ng, m\u1ee9t, h\u00ecnh vu\u00f4ng, m\u1eb7t b\u00edch ho\u1eb7c kh\u1edbp n\u1ed1i.<\/li>\n\n\n\n
  3. Ch\u1ea5t li\u1ec7u v\u00e0 \u0111\u1eb3ng c\u1ea5p.<\/li>\n\n\n\n
  4. L\u1edbp ph\u1ee7 ho\u1eb7c ho\u00e0n thi\u1ec7n \u0111\u01a1n gi\u1ea3n.<\/li>\n\n\n\n
  5. Ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n bu l\u00f4ng ho\u1eb7c \u0111inh t\u00e1n.<\/li>\n\n\n\n
  6. Y\u00eau c\u1ea7u b\u00e1o c\u00e1o ki\u1ec3m tra ho\u1eb7c MTC.<\/li>\n\n\n\n
  7. Nh\u00e3n bao b\u00ec hi\u1ec3n th\u1ecb k\u00edch th\u01b0\u1edbc, c\u1ea5p \u0111\u1ed9, \u0111\u1ed9 ho\u00e0n thi\u1ec7n v\u00e0 l\u00f4.<\/li>\n<\/ol>\n\n\n\n

    \u0110\u1ec3 bi\u1ebft c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf s\u1ed1 li\u1ec7u, h\u00e3y xem l\u1ea1i \u0111i\u1ec1u n\u00e0y H\u01b0\u1edbng d\u1eabn ti\u00eau chu\u1ea9n chi ti\u1ebft si\u1ebft ch\u1eb7t DIN v\u00e0 ISO<\/a>.<\/p>\n\n\n\n

    \u0110ai \u1ed1c l\u00e0 \u0111\u00e1ng tin c\u1eady khi ng\u01b0\u1eddi mua ch\u1ec9 \u0111\u1ecbnh to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng: k\u00edch th\u01b0\u1edbc, ren, c\u1ea5p \u0111\u1ed9, l\u1edbp ho\u00e0n thi\u1ec7n v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn gh\u00e9p n\u1ed1i. \u0110\u00f3 l\u00e0 nh\u1eefng g\u00ec ng\u0103n ng\u1eeba vi\u1ec7c l\u1eafp sai, l\u1eafp r\u00e1p y\u1ebfu v\u00e0 s\u1ef1 ch\u1eadm tr\u1ec5 trong vi\u1ec7c ki\u1ec3m tra. (ASME B18.2.2)<\/p>","protected":false},"excerpt":{"rendered":"

    ASME B18.2.2 is one of the main standards buyers see when sourcing inch-series nuts for North American projects. It covers dimensional requirements for machine screw nuts, hex nuts, square nuts, hex flange nuts, and coupling nuts. The key point is simple: ASME B18.2.2 controls nut dimensions. It does not replace material grade, thread class, coating, […]<\/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-7031","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\/7031","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=7031"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7031\/revisions"}],"predecessor-version":[{"id":7032,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/7031\/revisions\/7032"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=7031"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=7031"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=7031"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}