螺丝攻牙径对照表(集合版)

5/16 -18 2003/8/16 7/16 -14
规格（UNF) No.12-32 1/4 -32 5/16 -32 3/8 -32 7/16 -28 2001/2/28
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
2.186 2.621 3.121 3.459 3.959 4.459 4.959 5.188 5.4 6.188 6.4 6.917 7.188 7.4 7.917 8.188 8.647 8.917 9.188 9.4 9.917 10.188 10.376 10.647 10.917 11.4 12.376 12.917 13.376
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
M2.6*0.35 M3.0*0.35 M3.5*0.35 M4.0*0.5 M4.5*0.5 M5.0*0.5 M5.5*0.5 M6.0*0.75 M6.0*0.5 M7.0*0.75 M7.0*0.5 M8.0*1.0 M8.0*0.75 M8.0*0.5 M9.0*1.0 M9.0*0.75 M10*1.25 M10*1.0 M10*0.75 M10*0.5 M11*1.0 M11*0.75 M12*1.5 M12*1.25 M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5
2.2 2.7 3.2 3.5 4 4.5 5 5.3 5.5 6.3 6.5 7 7.3 7.5 8 8.3 8.8 9 9.3 9.5 10 10.3 10.5 10.8 11 11.5 12.5 13 13.5
wk.baidu.com
2.246 2.721 3.221 3.599 4.099 4.599 5.099 5.378 5.55 6.378 6.55 7.153 7.378 7.52 8.153 8.378 8.912 9.153 9.378 9.52 10.153 10.378 10.676 10.912 11.153 11.52 12.676 13.153 13.676
20 20.5 21 22 22.5 23 23 23.5 24 24.5 25 25.5 26 26 26.5 27 27 28 28.5 29 30 30.5 30 31 31.5 33.5 33 34 34.5
20.21 20.676 21.153 22.21 22.676 23.153 23.21 23.676 24.153 24.676 25.21 25.676 26.153 26.21 26.676 27.153 27.252 28.21 28.676 29.153 30.21 30.676 31.21 31.21 31.676 33.676 33.252 34.21 34.676
M2.6*0.45 注：迫牙丝攻之钻孔径，在 有所变动，因此於参考上表
规格 PT 1/16 -28 PT 1/8 -28 PT 1/4 -19 PT 3/8 -19 PT 1/2 -14 PT 3/4 -14 PT 1 -11 PT 1-1/4-11 PT 1-1/2-11 PT 2 -11
英 制 管 螺 纹 钻孔径 规格 PC 1/16 -28 RP 1/8 -28 G 1/4 -19 共 3/8 19 用 1/2 -14 前 3/4 14 用 1 11 PS 1-1/4-11 1-1/2-11 2月11日 标准径 6.5 8.5 11.4 15 18.5 24 30.2 38.8 44.8 56.5 英 制 螺 纹 规格 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 -9 W1 -8 W1-1/8 -7 W1-1/4 -7 钻孔径 硬材 2.65 3.25 3.75 5.1 6.6 8 9.4 10.7 12.3 13.7 16.7 19.5 22.4 25 28.3 软材 2.6 3.2 3.7 5 6.5 7.9 9.3 10.5 12 13.5 16.5 19.3 22 24.8 28 规格 2BA 3BA 4BA 5BA 6BA 规格 最 大 6.632 8.637 11.549 15.054 18.773 24.259 30.471 39.132 45.025 56.836 最 小 6.49 8.495 11.341 14.846 18.489 23.975 30.111 38.772 44.665 56.476 规格 1/16 -27 2001/8/27 2001/4/18 2003/8/18 2001/2/14 2003/4/14 1 -11-1/2 1-1/4 -111/2 1-1/2 -111/2 2 -11-1/2
19.835 20.376 20.917 21.835 22.376 22.917 22.835 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 30.835 30.835 31.376 33.376 32.752 33.835 34.376
公 制 细 螺 纹 规格 M1.0*0.2 M1.1*0.2 M1.2*0.2 M1.4*0.2 M1.6*0.2 M1.7*0.2 M1.8*0.2 M2.0*0.25 M2.2*0.25 M2.3*0.25 M2.5*0.35 标准径 0.8 0.9 1 1.2 1.4 1.45 1.6 1.75 1.95 2.05 2.2 2级牙钻孔径 最大 0.821 0.921 1.021 1.221 1.421 1.5 1.621 1.785 1.985 2.061 2.221 最小 0.783 0.883 0.983 1.183 1.383 1.46 1.583 1.729 1.929 2.001 2.121 规格 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 标准径 14 14.5 15 15.5 16 16 16.5 17 18 18.5 19 2级牙钻孔径 最大 14.153 14.676 15.153 15.676 16.153 16.21 16.676 17.153 18.21 18.676 19.153 最小 13.917 14.376 14.917 15.376 15.917 15.835 16.376 16.917 17.835 18.376 18.917 规格（UNF) (螺丝牙外 径） 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.1024(4.826) No.1224(5.486) 2001/4/20
螺丝攻牙钻孔径和滚造径对照表 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 M3.5*0.6 M4.0*0.7 M4.5*0.75 标准径 0.75 0.85 0.95 1.1 1.25 1.35 1.45 1.6 1.75 1.9 2.1 2.2 2.5 2.9 3.3 3.8 2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 3.01 3.422 3.878 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 2.85 3.242 3.688 规格 M5.0*0.8 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 4.2 5 6 6.8 7.8 8.5 9.5 10.3 12 14 15.5 17.5 19.5 21 24 26.5 2级牙钻孔径 最大 4.334 5.153 6.153 6.912 7.912 8.676 9.676 10.441 12.21 14.21 15.744 17.744 19.744 21.252 24.252 26.771 最小 4.134 4.917 5.917 6.647 7.647 8.376 9.376 10.106 11.835 13.835 15.294 15.294 19.294 20.752 23.752 26.211 规格 （UNF) (螺丝牙外 径） No.080(1.524) No.172(1.854) No.264(2.184) No.356(2.515) No.448(2.845) No.544(3.175) No.640(3.505) No.836(4.166) No.1032(4.826) No.1228(5.846) 2001/4/28 5/16 -24
美制迫牙丝攻钻孔径 规格 No. 2-56UNC No. 3-48 No. 4-40 No. 5-40 No. 6-32 No. 8-32 No.10-24 No.12-24 2001/4/20 5/16 -18 2003/8/16 7/16 -14 2001/2/13 精 度 等 级 G4-G6 2 2.23 2.5 2.83 3.175 3.73 4.24 4.9 _ _ _ _ _ _ _ _ _ _ G7-G8 _ _ _ _ _ _ _ _ _ _ 3.77 4.3 4.96 5.72 7.24 8.74 10.2 11.27 G9 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 8.81 10.3 11.82 规格 No. 2-64UNC No. 3-56 No. 4-48 No. 5-44 No. 6-40 No. 8-36 No.10-32 No.12-28 2001/4/28 5/16 -24 2003/8/24 7/16 -20 2001/2/20 精 度 等 级 G4-G6 1.97 2.27 2.56 2.86 3.16 3.78 4.39 4.99 5.85 7.36 _ _ _ _ _ _ G7-G8 _ _ _ _ _ _ _ _ _ _ _ _ 4.43 5.04 5.9 7.41 9 10.48 12.07 G9 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 10.54 12.13