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发表于 2013-5-28 11:30:24
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显示全部楼层
美制螺纹8 }# v+ ~# k+ j7 t1 A
标号 螺纹代号 外螺纹 内螺纹/ _: }9 H6 f* }+ m
公差等级2A 公差等级2B& w# \# o/ |% @
大径 中径 小径
3 r9 T- _- j8 U7 d' S9 N, t最大 小径 中径 大径2 D& X0 W1 U* F3 |' @3 h9 W9 J
最小
' E; I4 H2 r+ L; f0 z q/ p 最大 最小 最大 最小 最小 最大 最小 最大
/ h) R, L! ?* O0 A! M# ?- `JIC螺纹
0 x0 c2 m- O7 u2 B02 5/16×24UNF 7.910 7.727 7.221 7.127 6.650 6.782 7.036 7.249 7.371 7.938
0 m( Y1 n: p5 U$ @4 [! V6 [03 3/8*24UNF 9.497 9.314 8.809 8.712 8.237 8.382 8.636 8.837 8.961 9.525! g8 e$ U" g6 X3 `+ x1 v- r
04 7/16*20UNF 11.079 10.874 10.254 10.147 9.568 9.728 10.033 10.287 10.424 11.1131 S5 ~( F2 {/ C5 P+ O( w$ @' W4 H
05 1/2*20UNF 12.667 12.461 11.841 11.732 11.156 11.328 11.608 11.875 12.017 12.7. }) c0 D# w: M1 _8 P
06 9/16*18UNF 14.252 14.031 13.335 13.221 12.573 12.751 13.081 13.371 13.52 14.288
2 L' x/ p5 C! G5 s/ V7 p08 3/4*16UNF 19.012 18.773 17.981 17.854 17.12 17.323 17.678 18.019 18.184 19.05
' r) m- ]! K$ t6 l10 7/8*14UNF 22.184 21.923 21.006 20.869 20.025 20.269 20.676 21.046 21.224 22.225+ v' P) [1 f, t, {! Y( {
12 1.1/16*12UNF 26.944 26.655 25.57 25.425 24.425 24.689 25.146 25.613 25.801 26.9885 l8 A6 z3 t( c! z) g" J
16 1.5/16*12UNF 33.294 33.005 31.92 31.773 30.775 31.039 31.496 31.963 32.154 33.338
, b" U! h4 p% @0 I1 A20 1.5/8*12UNF 41.229 40.94 39.855 39.705 38.71 38.989 39.446 39.901 40.094 41.275( J5 {; s0 D7 M; u+ L, u
24 1.7/8*12UNF 47.579 47.29 46.205 46.053 45.06 45.339 45.796 46.251 46.449 47.625
2 Q8 S% H: ]. u2 Z; B2 H32 2.1/2*12UNF 63.452 63.162 62.078 61.92 60.932 61.214 61.671 62.126 62.332 63.5
S- u* X4 ^( M$ \2 z) P' [40 3812UNF 76.157 75.862 74.778 74.618 73.632 73.914 74.371 74.826 75.034 76.2; _$ F! ~# h# C1 C$ L0 k2 Y
18HK 1.1/2*10UNF 38.052 37.724 36.401 36.238 35.029 35.357 35.890 36.449 36.660 38.100" A1 q$ I/ [5 K4 l: k6 t2 n) Q, K
ORFS螺纹4 X2 M4 x: z4 }- ?
04 9/16*18UNF 14.252 14.031 13.335 13.221 12.573 12.751 13.081 13.371 13.52 14.288" g# l! ]5 E9 d2 o( n
06 11/16*16UNF 17.427 17.188 16.396 16.274 15.535 15.748 16.104 16.431 16.589 17.4631 O( X8 C' ?( ~ {4 Q# g7 T( g- U
08 13/16*16UNF 20.599 20.361 19.568 19.444 18.707 18.923 19.279 19.606 19.766 20.638
* e5 I, ]# W& x7 g3 Z10 1*14UNSF 25.357 25.095 24.178 24.036 23.195 23.444 23.825 24.221 24.407 25.4
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