H ＝0.866025P
H1＝0.541266P
d2＝d－0.649519P
d1＝d－1.082532P
D ＝d
D2＝d2
D1＝d1
螺纹的公称尺寸 | 螺距
P | 牙型高度H1 | 内螺纹 |
螺纹小径D | 有效直径D2 | 内径D1 |
外螺纹 |
外径d | 有效直径d2 | 螺纹小径d1 |
M 1 ×0.2
M 1.1×0.2
M 1.2×0.2
M 1.4×0.2
M 1.6×0.2
M 1.8×0.2 | 0.2
0.2
0.2
0.2
0.2
0.2 | 0.108
0.108
0.108
0.108
0.108
0.108 | 1.000
1.100
1.200
1.400
1.600
1.800 | 0.870
0.970
1.070
1.270
1.470
1.670 | 0.783
0.883
0.983
1.183
1.383
1.583 |
M 2 ×0.25
M 2.2×0.25 | 0.25
0.25 | 0.135
0.135 | 2.000
2.200 | 1.838
2.038 | 1.729
1.929 |
M 2.5×0.35
M 3 ×0.35
M 3.5×0.35 | 0.35
0.35
0.35 | 0.189
0.189
0.189 | 2.500
3.000
3.500 | 2.273
2.773
3.273 | 2.121
2.621
3.121 |
M 4 ×0.5
M 4.5×0.5
M 5 ×0.5
M 5.5×0.5 | 0.5
0.5
0.5
0.5 | 0.271
0.271
0.271
0.271 | 4.000
4.500
5.000
5.500 | 3.675
4.175
4.675
5.175 | 3.459
3.959
4.459
4.959 |
M 6 ×0.75
M 7 ×0.75 | 0.75
0.75 | 0.406
0.406 | 6.000
7.000 | 5.513
6.513 | 5.188
6.188 |
M 8 ×1
M 8 ×0.75 | 1
0.75 | 0.541
0.406 | 8.000
8.000 | 7.350
7.513 | 6.917
7.188 |
M 9 ×1
M 9 ×0.75 | 1
0.75 | 0.541
0.406 | 9.000
9.000 | 8.350
8.513 | 7.917
8.188 |
M 10 ×1.25
M 10 ×1
M 10 ×0.75 | 1.25
1
0.75 | 0.677
0.541
0.406 | 10.000
10.000
10.000 | 9.188
9.350
9.513 | 8.647
8.917
9.188 |
M 11 ×1
M 11 ×0.75 | 1
0.75 | 0.541
0.406 | 11.000
11.000 | 10.350
10.513 | 9.917
10.188 |
M 12 ×1.5
M 12 ×1.25
M 12 ×1 | 1.5
1.25
1 | 0.812
0.677
0.541 | 12.000
12.000
12.000 | 11.026
11.188
11.350 | 10.376
10.647
10.917 |
M 14 ×1.5
M 14 ×1.25
M 14 ×1 | 1.5
1.25
1 | 0.812
0.677
0.541 | 14.000
14.000
14.000 | 13.026
13.188
13.350 | 12.376
12.647
12.917 |
M 15 ×1.5
M 15 ×1 | 1.5
1 | 0.812
0.541 | 15.000
15.000 | 14.026
14.350 | 13.376
13.917 |
M 16 ×1.5
M 16 ×1 | 1.5
1 | 0.812
0.541 | 16.000
16.000 | 15.026
15.350 | 14.376
14.917 |
M 17 ×1.5
M 17 ×1 | 1.5
1 | 0.812
0.541 | 17.000
17.000 | 16.026
16.350 | 15.376
15.917 |
M 18 ×2
M 18 ×1.5
M 18 ×1 | 2
1.5
1 | 1.083
0.812
0.541 | 18.000
18.000
18.000 | 16.701
17.026
17.350 | 15.835
16.376
16.917 |
M 20 ×2
M 20 ×1.5
M 20 ×1 | 2
1.5
1 | 1.083
0.812
0.541 | 20.000
20.000
20.000 | 18.701
19.026
19.350 | 17.835
18.376
18.917 |
M 22 ×2
M 22 ×1.5
M 22 ×1 | 2
1.5
1 | 1.083
0.812
0.541 | 22.000
22.000
22.000 | 20.701
21.026
21.350 | 19.835
20.376
20.917 |
M 24 ×2
M 24 ×1.5
M 24 ×1 | 2
1.5
1 | 1.083
0.812
0.541 | 24.000
24.000
24.000 | 22.701
23.026
23.350 | 21.835
22.376
22.917 |
M 25×2
M 25×1.5
M 25×1 | 2
1.5
1 | 1.083
0.812
0.541 | 25.000
25.000
25.000 | 23.701
24.026
24.350 | 22.835
23.376
23.917 |
M 26×1.5 | 1.5 | 0.812 | 26.000 | 25.026 | 24.376 |
M 27×2
M 27×1.5
M 27×1 | 2
1.5
1 | 1.083
0.812
0.541 | 27.000
27.000
27.000 | 25.701
26.026
26.350 | 24.835
25.376
25.917 |
M 28×2
M 28×1.5
M 28×1 | 2
1.5
1 | 1.083
0.812
0.541 | 28.000
28.000
28.000 | 26.701
27.026
27.350 | 25.835
26.376
26.917 |
M 30×3
M 30×2
M 30×1.5
M 30×1 | 3
2
1.5
1 | 1.624
1.083
0.812
0.541 | 30.000
30.000
30.000
30.000 | 28.051
28.701
29.026
29.350 | 26.752
27.835
28.376
28.917 |
M 32×2
M 32×1.5 | 2
1.5 | 1.082
0.812 | 32.000
32.000 | 30.701
31.026 | 29.835
30.376 |
M 33×3
M 33×2
M 33×1.5 | 3
2
1.5 | 1.624
1.083
0.812 | 33.000
33.000
33.000 | 31.051
31.701
32.026 | 29.752
30.835
31.376 |
M 35×1.5 | 1.5 | 0.812 | 35.000 | 34.026 | 33.376 |
M 36×3
M 36×2
M 36×1.5 | 3
2
1.5 | 1.624
1.083
0.812 | 36.000
36.000
36.000 | 34.051
34.701
35.026 | 32.752
33.835
34.376 |
M 38×1.5 | 1.5 | 0.812 | 38.000 | 37.026 | 36.376 |
M 39×3
M 39×2
M 39×1.5 | 3
2
1.5 | 1.624
1.083
0.812 | 39.000
39.000
39.000 | 37.051
37.701
38.026 | 35.752
36.835
37.376 |
M 40×3
M 40×2
M 40×1.5 | 3
2
1.5 | 1.624
1.083
0.812 | 40.000
40.000
40.000 | 38.051
38.701
39.026 | 36.752
37.835
38.376 |
M 42×4
M 42×3
M 42×2
M 42×1.5 | 4
3
2
1.5 | 2.165
1.624
1.083
0.812 | 42.000
42.000
42.000
42.000 | 39.402
40.051
40.701
41.026 | 37.670
38.752
39.835
40.376 |
M 45×4
M 45×3
M 45×2
M 45×1.5 | 4
3
2
1.5 | 2.165
1.624
1.083
0.812 | 45.000
45.000
45.000
45.000 | 42.402
43.051
43.701
44.026 | 40.670
41.752
42.835
43.376 |
M 48×4
M 48×3
M 48×2
M 48×1.5 | 4
3
2
1.5 | 2.165
1.624
1.083
0.812 | 48.000
48.000
48.000
48.000 | 45.402
46.051
46.701
47.026 | 43.670
44.752
45.835
46.376 |
M 50×3
M 50×2
M 50×1.5 | 3
2
1.5 | 1.624
1.083
0.812 | 50.000
50.000
50.000 | 48.051
48.701
49.026 | 46.752
47.835
48.376 |
M 52×4
M 52×3
M 52×2
M 52×1.5 | 4
3
2
1.5 | 2.165
1.624
1.083
0.812 | 52.000
52.000
52.000
52.000 | 49.402
50.051
50.701
51.026 | 47.670
48.752
49.835
50.376 |
M 55×4
M 55×3
M 55×2
M 55×1.5 | 4
3
2
1.5 | 2.165
1.624
1.083
0.812 | 55.000
55.000
55.000
55.000 | 52.402
53.051
53.701
54.026 | 50.670
51.752
52.835
53.376 |
单位：mm
