32 33
英制螺纹
规格 钻孔径
2BA 4.0-4.2
3BA 3.4-3.6
4BA 3.0-3.2
5BA 2.7-2.8
6BA 2.4-2.5
公制粗螺纹
规格 标准径 最大 最小
M27X3.0 24 24.252 23.752
M30x3.5 26.5 26.771 26.211
M1.0x0.2 0.80 0.821 0.783
M1.1x0.2 0.90 0.921 0.883
M1.2x0.2 1.00 1.021 0.983
M1.4x0.2 1.20 1.221 1.183
M1.6x0.2 1.40 1.421 1.383
M1.7x0.2 1.45 1.500 1.460
M1.8x0.2 1.60 1.621 1.583
M2.0x0.25 1.75 1.785 1.729
M2.2x0.25 1.95 1.985 1.929
M2.3x0.25 2.05 2.061 2.001
M2.5x0.35 2.20 2.221 2.121
M2.6x0.35 2.20 2.246 2.186
M3.0x0.35 2.70 2.721 2.621
M3.5x0.35 3.20 3.221 3.121
M4.0x0.5 3.50 3.599 3.459
M4.5x0.5 4.00 4.099 3.959
M5.0x0.5 4.50 4.599 4.459
M5.5x0.5 5.00 5.099 4.959
M6.0M0.75 5.30 5.378 5.188
M6.0x0.5 5.50 5.550 5.400
M7.0x0.75 6.30 6.378 6.188
M7.0x0.5 6.50 6.550 6.400
M8.0x1.0 7.00 7.153 6.917
M8.0x0.75 9..30 7.378 7.188
M8.0x0.5 7.50 7.520 7.400
M9.0x1.0 8.00 8.153 7.917
M9.0x0.75 8.30 8.378 8.188
M10x1.25 8.80 8.912 8.647
M10x1.0 9.00 9.153 8.917
MWxO.75 9.30 9.378 9.188
M10x0.5 9.50 9.520 9.400
M11 X1.0 10.00 10.153 9.917
M11 x0.75 10.30 10.378 10.188
M12x1.5 10.50 10.676 10.376
M12x1.25 10.80 10.912 10.647
英制螺纹
规格(UNF)螺丝牙外径 标准径 最大 最小
No. 1-64 (1.854) 1.55 1.582 1.425
No.2-56(2.184) 1.80 1.871 1.695
No.3-48(2.515) 2.10 2.146 1.941
No.4-40(2.845) 2.30 2.385 2.157
No.5-40(3.175) 2.60 2.697 2.487
No.6-32(3.505) 2.80 2.895 2.642
No.8-32(4.166) 3.40 3.530 3.302
No. 10-24(4.826) 3.90 3.962 3.683
No. 12-24(5.486) 4.50 4.597 4.344
1/4-20 5.10 5.257 4.979
5/16-18 6.60 6.731 6.401
3/8-16 8.00 8.153 7.798
7/16-14 9.40 9.550 9.144
1/2-13 10.90 11.023 10.592
9/16-12 12.20 12.446 11.989
5/8-11 13.60 13.868 13.386
3/4-10 16.60 16.840 16.307
7/8-9 19.60 19.761 19.177
1-8 22.30 22.606 21.971
1-1/8-7 25.00 25.349 24.638
1-1/4-7 28.20 28.524 27.813
1-3/8-6 20.80 31.115 30.353
1-1/2-6 34.00 34.290 33.528
1-3/4-5 39.50 39.827 38.964
2-1-1/2 45.20 45.583 44.679
凳制迫牙丝攻钻孔径
规格 精度 最大 最小
1-64UNC G5 1.76 1.68
2-56 G4 2.04 1.96
3-48 G4 2.35 2.25
4.40 G5 2.64 2.54
5-40 G5 2.97 2.87
6-32 G5 3.22 3.11
8-32 G6 3.89 3.78
10-24 G6 4.44 4.30
12-24 G6 5.07 4.96
1/411-20 G7 5.86 5.73
5/1611-18 G7 7.38 7.23
3/811-16 G7 8.89 8.72
7/1611-14 G8 10.40 10.02
1/211-13 G8 11.92 11.70
0-80UNF G5 11.45 1.39
1-72 G4 1.77 1.70
2-62 G4 2.06 1.98
3-56 G4 2.37 2.29
4-48 G5 2.68 2.59
5-44 G5 2.99 2.90
6-40 G5 3.29 3.19
8-36 G5 3.91 3.81
10-32 G6 4.53 4.44
12-28 G6 2.13 5.03
1/411-28 G7 6.00 5.91
5/5611-24 G7 7.53 7.42
3/811-24 G7 9.10 8.99
7/1611-20 G8 10.62 10.48
1/2511-20 G8 12.20 12.06
Gear Type Automatic Tapping Machine
齿轮式牙距自动攻牙机
Gear Type Automatic Tapping Machine
齿轮式牙距自动攻牙机
公制粗螺
乡
r规格 标准径 2 级牙钻孔径
最大 最小
M1.0x0.25 0.75 0.785 0.729
M1.1 x0.25 0.85 0.885 0.829
M1.2x0.25 0.95 0.985 0.929
M1.4x0.3 1.10 1.142 1.075
M1.6x0.35 1.25 1.321 1.221
M1.7x0.35 1.35 1.421 1.321
M1.8x0.35 1.45 1.521 1.421
M2.0x0.4 1.60 1.679 1.567
M2.2x0.45 1.75 1.838 1.713
M2.3x0.4 1.90 1.979 1.867
M2.5x0.45 2.10 2.138 2.013
M2.6x0.45 2.20 2.238 2.113
M3.0x0.5 2.50 2.599 2.459
M3.5x0.6 2.90 3.010 2.850
M4.0x0.7 3.30 3.422 3.242
M4.5x0.75 3.80 3.878 3.688
M5.0x0.8 4.20 4.334 4.134
M6.0x1.0 5.00 5.153 4.917
M7.0x1.0 6.00 6.153 5.917
M8.0x1.25 6.80 6.912 5.647
M9.0x1.25 7.80 7.912 7.647
M10X1.5 8.50 8.676 8.376
M11 xl.5 9.50 9.676 9.376
M12x1.75 10.30 10.441 10.106
M14x2.0 12.00 12.210 11.835
M16x2.0 14.00 14.210 13.835
M18x2.5 15.50 15.744 15.294
M20x2.5 17.50 17.744 17.294
M22x2.5 19.50 19.744 19.294
M24x3.0 21.00 21.252 20.752
M12x1.0 11.00 11.153 10.917
M12x0.5 11.50 11.520 11.400
M14X1.5 12.50 12.676 12.376
M14X1.0 13.00 13.153 12.917
M15x1.5 13.50 13.676 13.376
M15x1.0 14.00 14.153 13.917
M16x1.5 14.50 14.676 14.376
M16x1.0 15.00 15.153 14.917
M17X1.5 15.50 15.676 15.376
M17x1.0 16.00 16.153 15.917
M18x2.0 16.00 16.210 15.835
M18x1.5 16.50 16.676 16.376
M18x1.0 17.00 17.153 16.917
M20x2.0 18.00 18.210 17.835
M20x1.5 18.50 18.676 18.376
M20X1.0 19.00 19.153 18.917
M22x2.0 20.00 20.210 19.835
M22x1.5 20.50 20.676 20.376
M22X1.0 21.00 21.153 20.917
M24x2.0 22.00 22.210 21.835
M24x1.5 22.50 22.676 22.376
M24x1.0 23.00 23.153 22.917
M25x2.0 23.00 23.210 22.835
M25x1.5 23.50 23.676 23.376
M25x1.0 24.00 24.153 23.917
M26x1.5 24.50 24.676 24.376
M27x2.0 25.00 25.210 24.835
M27x1.5 25.50 25.676 25.376
M27x1.0 26.00 26.153 25.917
M28x2.0 26.00 26.210 25.835
螺丝攻牙钻孔径对照明细表
公制迫牙丝攻钻孔径
规格 精度 最大 最小
M1.0x0.25 G4 0.92 0.89
M1.2x0.25 G4 1.11 1.09
M1.4x0.30 G4 1.30 1.26
M1.6x0.35 G4 1.47 1.43
M1.7x0.35 G4 1.57 1.52
M1.8x0.35 G4 1.67 1.62
M2.0x0.40 G4 1.84 1.79
M2.2x0.45 G5 2.04 1.98
M2.3x0.40 G4 2.14 2.09
M2.5x0.45 G5 2.34 2.27
M2.6x0.45 G5 2.44 2.37
M3.0x0.50 G5 2.82 2.75
M3.5x0.60 G5 3.27 3.19
M4.0x0.70 G6 3.72 3.65
M5.0x0.80 G6 4.67 4.59
M6.0x1.0 G7 5.59 5.49
M7.0x1.0 G7 6.59 6.48
M8.0x 1.25 G7 7.49 7.36
M10x1.5 G7 9.34 9.22
M10x1.25 G7 9.49 9.35
M12x1.75 G8 11.23 11.09
M12x1.25 G8 11.50 11.36
螺丝攻牙钻孔径对照明细表
SCREW TAP DRILL BORE SIZE CONTROL LIST SCREW TAP DRILL BORE SIZE CONTROL LIST