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选择组合系列、自由级外螺纹的公差 0.001in |
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牙数 |
中 径 公 差 |
大径 公差 |
小径 公差 |
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公称 直径 |
＞ |
1/8 |
1/4 |
1/2 |
3/4 |
11/4 |
2 |
3 |
4 |
6 |
8 |
11 |
15 |
在中径公 差再加上 下列数据 |
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|
≤ |
1/4 |
1/2 |
3/4 |
11/4 |
2 |
3 |
4 |
6 |
8 |
11 |
15 |
20 |
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26，24 |
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6.2 |
6.7 |
7.1 |
7.5 |
8.0 |
8.6 |
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2.0 |
4.1 |
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2.2 |
4.5 |
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|
20 |
|
6.8 |
7.2 |
7.7 |
8.2 |
8.7 |
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18，16 |
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7.6 |
8.0 |
8.4 |
9.0 |
9.5 |
10.0 |
10.6 |
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2.5 |
5.0 |
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14，12 |
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|
8.6 |
9.4 |
9.9 |
10.4 |
10.9 |
11.5 |
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2.9 |
5.8 |
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11，10 |
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9.6 |
10.1 |
10.7 |
11.1 |
11.7 |
12.3 |
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3.2 |
6.3 |
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|
8 |
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|
10.7 |
11.2 |
11.8 |
12.2 |
12.8 |
13.4 |
14.0 |
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3.5 |
7.1 |
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6 |
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12.5 |
13.1 |
13.6 |
14.1 |
14.8 |
15.4 |
16.1 |
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4.1 |
8.2 |
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4 |
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|
14.9 |
15.4 |
16.0 |
16.6 |
17.2 |
17.9 |
18.7 |
5.0 |
10.0 |
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