螺纹下孔径表(标准)

14.210 13.835
15.744 15.294
17.744 17.294
19.744 19.294
21.252 20.752
24.252 23.752
26.771 26.211
29.771 29.211
32.270 31.670
35.270 34.670
37.799 37.129
40.799 40.129
3.121
3.599
3.459
4.099
3.959
4.599
4.459
5.099
4.959
5.378
5.188
5.550
5.400
6.378
6.188
6.550
6.400
7.153
6.917
7.378
7.188
7.520
7.400
8.153
7.917
8.378
8.188
8.912
8.647
9.153
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 29.50 32.00 35.00 37.50 40.50 43.00
14.676 14.376
15.153 14.917
15.676 15.376
16.153 15.917
16.210 15.835
16.676 16.376
17.153 16.917
18.210 17.835
18.676 18.376
19.153 18.917
20.210 19.835
20.676 20.376
2B级螺纹内径
D1-上限 D1-下限
1.582
1.425
1.871
1.695
2.146
1.941
2.385
2.157
2.697
2.487
2.895
2.642
3.530
3.302
3.962
3.683
4.597
4.344
5.257
4.979
6.731
6.401
8.153
7.798
9.550
9.144
11.023 10.592
2级螺纹内径
D1-上限 D1-下限
0.785
0.729
0.885
0.829
0.985
0.929
1.142
1.075
1.321
1.221
1.421
1.321
1.521
1.421
1.679
1.567
1.838
1.713
1.979
1.867
2.138
2.013
2.238
2.113
2.599
2.459
2.440
标准径
0.80 0.90 1.00 1.20 1.40 1.45 1.60 1.75 1.95 2.05 2.20 2.20 2.70 3.20 3.50 4.00 4.50 5.00 5.30 5.50 6.30 6.50 7.00 7.30 7.50 8.00 8.30 8.80 9.00 9.30 9.50 10.00 10.30 10.50 10.80 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
2.280
3.010
2.850
3.422
3.242
3.326
3.106
3.878
3.688
4.334
4.134
4.170
3.930
5.153
4.917
6.153
5.917
6.912
6.647
7.912
7.647
8.676
8.376
9.676
9.376
10.441 10.106
12.210 11.835
螺纹下孔径表
公制牙粗螺纹(60°)
称呼
M 1 x0.25 M 1.1x0.25 M 1.2x0.25 M 1.4x0.3 M 1.6x0.35 M 1.7x0.35 M 1.8x0.35 M 2 x0.4 M 2.2x0.45 M 2.3x0.4 M 2.5x0.45 M 2.6x0.45 M 3 x0.5 *M 3 x0.6 M 3.5x0.6 M 4 x0.7 *M 4 x0.75 M 4.5x0.75 M 5 x0.8 *M 5x0.9 M 6 x1.0 M 7 x1.0 M 8 x1.25 M 9 x1.25 M10 x1.5 M11 x1.5 M12 x1.75 M14 x2.0 M16 x2.0 M18 x2.5 M20 x2.5 M22 x2.5 M24 x3.0 M27 x3.0 M30 x3.5 M33 x3.5 M36 x4.0 M39 x4.0 M42 x4.5 M45 x4.5 M48 x5.0
3/8-24 UNF 7/16-20 UNF
1/2-20 UNF 9/16-18 UNF
5/8-18 UNF 3/4-16 UNF 7/8-14 UNF 1 -12 UNF 1 1/8-12 UNF 1 1/4-12 UNF 1 3/8-12 UNF 1 1/2-12 UNF
标准径
1.25 1.55 1.85 2.10 2.40 2.70 2.90 3.50 4.10 4.60 5.50 6.90 8.50 9.90 11.50 12.90 14.50 17.50 20.50 23.20 26.50 29.50 32.80 36.00
2级螺纹内径
D1-上限 D1-下限
0.821
0.783
0.921
0.883
ቤተ መጻሕፍቲ ባይዱ1.021
0.983
1.221
1.183
1.421
1.383
1.500
1.460
1.621
1.583
1.785
1.729
1.985
1.929
2.061
2.001
2.221
2.121
2.246
2.186
2.721
2.621
3.221
2级螺纹内径 D1-上限 D1-下限 31.210 30.835 31.676 31.376 33.676 33.376 33.252 32.752 34.210 33.835 34.676 34.376 36.676 36.376 36.252 35.752 37.210 36.835 37.676 37.376 37.252 36.752 38.210 37.835 38.676 38.376 38.270 37.670 39.252 38.752 40.210 39.835 40.676 40.376 41.270 40.670 42.252 41.752 43.210 42.835 43.676 43.376 44.270 43.670 45.252 44.752 46.210 45.835 46.676 46.376 47.252 46.752 48.210 47.835 48.676 48.376
2 -4 1/2 UNC
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
1/4 -20 UNC 5/16 -18 UNC
3/8 -16 UNC 7/16 -14 UNC
1/2 -13 UNC 9/16 -12 UNC 5/8 -11 UNC 3/4 -10 UNC 7/8 -9 UNC
1 -8 UNC 1 1/8 -7 UNC 1 1/4 -7 UNC 1 3/8 -6 UNC 1 1/2 -6 UNC 1 3/4 -5 UNC
21.153 20.917
22.210 21.835
22.676 22.376
23.153 22.917
23.210 22.835
23.676 23.376
24.153 23.917
24.676 24.376
25.210 24.835
25.676 25.376
26.153 25.917
26.210 25.835
8.917
9.378
9.188
9.520
9.400
10.153 9.917
10.378 10.188
10.676 10.376
10.912 10.647
11.153 10.917
11.520 11.400
12.676 12.376
13.153 12.917
13.676 13.376
14.153 13.917
公制牙细螺纹(60°)
称呼
M 1 x0.2 M1.1x0.2 M1.2x0.2 M1.4x0.2 M1.6x0.2 *M1.7x0.2 M1.8x0.2 M 2 x0.25 M2.2x0.25 *M2.3x0.25 M2.5x0.35 *M2.6x0.35 M 3 x0.35 M3.5x0.35 M 4 x0.5 M4.5x0.5 M 5 x0.5 M5.5x0.5 M 6 x0.75 *M6 x0.5 M 7 x0.75 *M7 x0.5 M 8 x1.0 M 8 x0.75 *M 8 x0.5 M 9 x1.0 M 9 x0.75 M10 x1.25 M10 x1.0 M10 x0.75 *M10x0.5 M11 x1.0 M11 x0.75 M12 x1.5 M12 x1.25 M12 x1.0 *M12x0.5 M14x1.5 M14x1.0 M15x1.5 M15x1.0 M16x1.5 M16x1.0 M17x1.5 M17x1.0 M18x2.0 M18x1.5 M18x1.0 M20x2.0 M20x1.5 M20x1.0 M22x2.0 M22x1.5 M22x1.0 M24x2.0 M24x1.5 M24x1.0 M25x2.0 M25x1.5 M25x1.0 M26x1.5 M27x2.0 M27x1.5 M27x1.0 M28x2.0 M28x1.5 M28x1.0 M30x3.0 M30x2.0 M30x1.5 M30x1.0 M32x2.0 M32x1.5 M33x3.0
标准径
31.00 31.50 33.50 33.00 34.00 34.50 36.50 36.00 37.00 37.50 37.00 38.00 38.50 38.00 39.00 40.00 40.50 41.00 42.00 43.00 43.50 44.00 45.00 46.00 46.50 47.00 48.00 48.50
26.676 26.376
27.153 26.917
27.252 26.752
28.210 27.835
28.676 28.376
29.153 28.917
30.210 29.835
30.676 30.376
30.252 29.752
美制牙粗螺纹(60°)
称呼
NO.1 -64 UNC NO.2 -56 UNC NO.3 -48 UNC NO.4 -40 UNC NO.5 -40 UNC NO.6 -32 UNC NO.8 -32 UNC NO.10-24 UNC NO.12-24 UNC
称呼
NO.0 -80 UNF NO.1 -72 UNF NO.2 -64 UNF NO.3 -56 UNF NO.4 -48 UNF NO.5 -44 UNF NO.6 -40 UNF NO.8 -36 UNF NO.10-32 UNF NO.12-28 UNF
1/4-28 UNF 5/16-24 UNF
12.446 11.989
13.866 13.386
16.840 16.307
19.761 19.177
22.606 21.971
25.349 24.638
28.524 27.813
31.115 30.353
34.290 33.528
39.827 38.964
45.593 44.679
美制牙细螺纹(60°)
43.297 42.587
公制牙细螺纹(60°)
称呼
M33x2.0 M33x1.5 M35x1.5 M36x3.0 M36x2.0 M36x1.5 M38x1.5 M39x3.0 M39x2.0 M39x1.5 M40x3.0 M40x2.0 M40x1.5 M42x4.0 M42x3.0 M42x2.0 M42x1.5 M45x4.0 M45x3.0 M45x2.0 M45x1.5 M48x4.0 M48x3.0 M48x2.0 M48x1.5 M50x3.0 M50x2.0 M50x1.5