|
选择组合系列、普通级内螺纹的公差 0.001in |
|||||||||||||||
|
牙数 |
中 径 公 差 |
小径公差 |
|||||||||||||
|
公称 直径 |
＞ |
1/8 |
1/4 |
1/2 |
3/4 |
11/4 |
2 |
3 |
4 |
6 |
8 |
11 |
15 |
公差总量 |
|
|
≤ |
1/4 |
1/2 |
3/4 |
11/4 |
2 |
3 |
4 |
6 |
8 |
11 |
15 |
20 |
|||
|
40，36 |
|
5.6 |
6.0 |
6.3 |
6.8 |
7.3 |
|
|
|
|
|
|
|
9.6 |
|
|
32，28 |
5.7 |
6.2 |
6.5 |
6.9 |
7.5 |
|
|
|
|
|
|
|
11.1 |
||
|
26，24 |
6.2 |
6.7 |
7.1 |
7.5 |
8.0 |
8.6 |
|
|
|
|
|
|
13.3 |
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
20 |
|
6.8 |
7.2 |
7.7 |
8.2 |
8.7 |
|
|
|
|
|
|
17.0 |
||
|
18，16 |
|
7.6 |
8.0 |
8.4 |
9.0 |
9.5 |
10.0 |
10.6 |
|
|
|
|
19.5 |
||
|
14，12 |
|
|
8.9 |
9.4 |
9.9 |
10.4 |
10.9 |
11.5 |
|
|
|
|
23.7 |
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
11，10 |
|
|
|
9.6 |
10.1 |
10.7 |
11.1 |
11.7 |
12.3 |
|
|
|
27.0 |
||
|
8 |
|
|
|
10.7 |
11.2 |
11.8 |
12.2 |
12.8 |
13.4 |
14.0 |
|
|
32.0 |
||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
6 |
|
|
|
|
12.5 |
13.1 |
13.6 |
14.1 |
14.8 |
15.4 |
16.1 |
|
40.3 |
||
|
4 |
|
|
|
|
|
14.9 |
15.4 |
16.0 |
16.6 |
17.2 |
17.9 |
18.7 |
57.0 |
||