非标螺纹规格对照表.doc

非标螺纹规格对照表美制圆柱管螺纹（牙型角60）公制圆柱螺纹（牙型角60）英制圆柱管螺纹（牙型角55）螺纹规格小径大径螺纹规格小径大径螺纹规格小径大径7/16-UNF9.9 11.0 M121.510.512G1/8-288.69.71/2-UNF11.5 12.6 M141.512.514G1/4-1911.513.19/16-UNF13.0 14.2 M161.514.516G3/8-191516.65/8-UNF14.5 15.7 M181.516.518G1/2-1418.620.911/16-UNF16.0 17.3 M201.518.520G5/8-1420.622.93/4-UNF17.5 18.9 M221.520.522G3/4-1424.126.413/16-UNF19.0 20.5 M241.522.524G7/8-1427.930.27/8-UNF20.5 22.0 M261.524.526G1-1130.333.21-UNF23.5 25.2 M271.525.527G1( k E5 5 A7 m1/4-1138.941.99 x6 C- F! + X9 7 l& A15 X6 L( & o5 I: & 1 1/16-UNF24.9 26.8 M301.528.530G1$ T4 v, H _; j* c- 1/2-1144.847.9# |1 K) ir# ; D1 x11 s, W- Z% % 3 w* $ 3/16-UNF28.0 30.0 M3022830G2-1156.759.6: ( y8 & r9 e1& t * / ?9 p) $ J5/16-UNF31.3 33.2 M36234365 ?; K. p8 H- O4 Q- e/ _16 E# q b ?4 T4 D7 ?5 J! G% o7/16-UNF34.5 36.4 M3923739. _; |6 j5 Jq; m# y( n1/ h8 y) j+ b3 h5/8-UNF39.2 41.1 M4224042 Y |9 Wi: B* & p0 L+ v1p i i6 X I7 G& h/ g4 g. z11/16-UNF40.8 42.6 M4524345! P& ! Y, R7 K4 S0 n* |; S1% X/ y M+ L5 M) D! y* X& Y7/8-UNF45.6 47.5 M52250528 G7 v8 . d4 l% B pn2. ( 0 ?$ eQ/ j% K U-UNF48.8 50.6 M6025860 6 T; v$ l A4 20 h6 o G6 m+ |9 c nb% i4 M8 r1/2-UNF61.5 63.4 M6426264公制/美制/英制螺纹对照表公制/美制/英制螺纹对照表A型美制螺纹（UNF）常用规格 外螺纹 内螺纹-4 9/16-19牙 14.28 13.08 -6 11/16-16 17.46 16.1 -8 13/16-16 20.64 19.28-10 1-14 25.40 23.57 -12 1(3/16)-12 30.00 28.32 -16 1(7/16)-12 36.51 34.67-20 1(11/16)-12 42.86 41.02