螺纹攻牙-钻孔直径对照表
SM9/64 - 40 SM11/64 - 40 SM3/16 - 32
美制粗螺纹
规格(UNC)
NO. 1 - 64(1.854) NO. 2 - 56(2.184) NO. 3 - 48(2.515) NO .4 - 40(2.845) NO .5 - 40(3.175) NO .6 - 32(3.505) NO. 8 - 32(4.166) NO.10 - 24(4.826) NO.12 - 24(5.486) 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1 -1/8 1 -1/4 1 -3/8 1 -1/2 1 -3/4 - 20 - 18 - 16 - 14 - 13 - 12 - 11 - 10 -9 -8 -7 -6 -5
螺 纹 攻 牙 钻 孔 径 和 滚 造 径 对 照 表.
******本表依据二级牙制订
公制粗螺 纹
规格 M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3.0*0.5 M3.0*0.6 M3.5*0.6 M4.0*0.7 M4.0*0.75 M4.5*0.75 M5.0*0.8 M5.0*0.9 M6.0*1.0 M7.0*1.0 M8.0*1.25 M9.0*1.25 M10*1.5 M11*1.5 M12*1.75 M14*2.0 M16*2.0 M18*2.5 M20*2.5 M22*2.5 M24*3.0 M27*3.0 M30*3.5 标准径 0.75 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 1.90 2.10 2.20 2.50 2.40 2.90 3.30 3.25 3.80 4.20 4.10 5.00 6.00 6.80 7.80 8.50 9.50 10.30 12.00 14.00 15.50 17.50 19.50 21.00 24.00 26.50 二级牙钻孔径 最大 0.785 0.885 0.985 1.142 1.321 1.421 1.521 1.679 1.838 1.979 2.138 2.238 2.599 2.440 3.010 3.422 3.326 3.878 4.334 4.170 5.153 6.153 6.912 7.912 8.676 9.676 10.441 12.210 14.210 15.744 17.744 19.744 21.252 24.252 26.771 最小 0.729 0.829 0.929 1.075 1.221 1.321 1.421 1.567 1.713 1.867 2.013 2.113 2.459 2.280 2.850 3.242 3.106 3.688 4.134 3.930 4.917 5.917 6.647 7.647 8.375 9.376 10.106 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211 M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5 M15*1.0 M16*1.5 M16*1.0 M17*1.5 M17*1.0 M18*2.0 M18*1.5 M18*1.0 M20*2.0 M20*1.5 M20*1.0 M22*2.0 M22*1.5 M22*1.0 M24*2.0 M24*1.5 M24*1.0 M25*2.0 M25*1.5 M25*1.0 M26*1.5 M27*2.0 M27*1.5 M27*1.0 M28*2.0 M28*1.5 M28*1.0 M30*3.0 M30*2.0 M30*1.5 M30*1.0 M32*2.0 M32*1.5 M33*3.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5 11.00 11.50 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50
精度等级 G7-G8
0.88 0.98 1.08 1.25 1.43 1.53 1.63 1.80 1.98 2.10 2.28 2.38 2.75 3.20 3.65 4.60 5.50 6.50 7.38 9.25 9.38 11.12 11.38
精度等级 G1-G6
1.94 2.23 2.50 2.83 3.07 3.73 4.24 4.90 .. .. .. .. .. 1.97 2.27 2.56 2.86 3.16 3.78 4.39 4.99 5.85 7.36 .. .. ..
英制管螺纹
规格
PS 1/16 - 28 PS PS PS PS PS PS 1/8 - 28 1/4 - 19 3/8 - 19 1/2 - 14 3/4 - 14 1 - 11
SM7/22 - ?
最小
1.452 1.695 1.941 2.157 2.487 2.642 3.302 3.683 4.344 4.979 6.401 7.798 9.144 10.592 11.989 11.386 16.307 19.177 21.971 24.638 27.813 30.353 33.528 38.964 44.679
钻孔径 硬材
2.65 3.25 3.75 5.10 6.60 8.00 9.40 10.70 12.30 13.70 16.70 19.50 22.40 25.00 28.30
G7-G8
.. .. .. .. .. 3.77 4.30 4.96 5.72 7.24 8.74 10.20 11.27 .. .. .. .. .. .. 4.43 5.04 5.90 7.41 9.00 10.48 12.07
软材
2.60 3.20 3.70 5.00 6.50 7.90 9.30 10.50 12.00 13.50 16.50 19.30 22.00 24.80 28.00
W1-1/8 -7 W1-1/4 -7
针车用螺纹
规格
SM1/8 SM1/8 - 40 - 44
滚造径
2.735-2.688 2.769-2.722 3.128-3.083 3.855-3.805 4.205-4.155 4.143-4.093 ? 5.325-5.570 5.890-5.735 5.721-5.366 6.508-6.648 8.092-8.432 8.880-8.015 10.466-10.401 10.037-9.957 11.319-11.749 13.400-13.425
英制螺纹
规格 G9
.. .. .. .. .. .. .. .. .. .. 8.81 10.30 11.82 .. .. .. .. .. .. .. .. .. .. .. 10.54 12.13 W1/8 - 40 W5/32 - 32 W3/16 - 24 W1/4 - 20 W5/16 - 18 W3/8 - 16 W7/16 - 14 W1/2 - 12 W9/16 - 12 W5/8 - 11 W3/4 - 10 W7/8 W1 -9 -8
标准径
6.50 8.50 11.40 15.00 18.50 24.00 30.20 38.80 44.80 56.50
钻孔径 最大
6.632 8.637 11.549 15.054 18.773 24.259 30.471 39.132 45.025 56.836
公制迫牙丝攻钻孔径
规格 G1-G6
M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.3 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.4 M2.2*0.45 M2.3*0.4 M2.5*0.45 M2.6*0.45 M3.0*0.5 M3.5*0.6 M4.0*0.7 M5.0*0.8 M6.0*1.0 M7.0*1.0 M8.0*1.25 M10*1.5 M10*1.25 M12*1.75 M12*1.25 0.86 0.96 1.06 1.24 1.41 1.51 1.61 1.78 1.95 2.08 2.25 2.35 2.73 3.17 3.62 4.56 5.45 6.45 7.31 9.18 9.31 11.04 11.31
பைடு நூலகம்
SM3/16 - 28
标准径
1.55 1.80 2.10 2.30 2.60 2.80 3.40 3.90 4.50 5.10 6.60 8.00 9.40 10.80 12.20 13.60 16.50 19.50 22.20 25.00 28.20 30.80 34.00 39.50 45.20
美制迫牙丝攻钻孔径
规格 G9
.. .. .. .. .. .. .. .. .. .. .. .. .. .. 3.69 4.64 5.55 6.55 7.44 9.32 9.44 11.21 11.44 NO. 2-56UNC NO. 3-48 NO. 4-40 NO. 5-40 NO. 6-32 NO. 8-32 NO.10-24 NO.12-24 1/4 3/8 1/2 - 20 - 16 - 13 5/16 - 18 7/16 - 14 NO. 2-64UNF NO. 3-56 NO. 4-48 NO. 5-44 NO. 6-40 NO. 8-36 NO.10-32 NO.12-29 1/4 3/8 1/2 - 28 - 24 - 20 5/16 - 24 7/16 - 20