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美制锯齿形螺纹的2级公差值 in |
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牙数 |
螺距 P |
基 本 大 径 |
螺距分量 0.017 3 |
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≥0.5 ≤0.7 |
＞0.7 ≤1.0 |
＞1.0 ≤1.5 |
＞1.5 ≤2.5 |
＞2.5 ≤4 |
＞4 ≤6 |
＞6 ≤10 |
＞10 ≤16 |
＞16 ≤24 |
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外螺纹的大径和中径公差，内螺纹的中径和小径公差 |
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20 |
0.050 0 |
0.005 6 |
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0.003 87 |
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16 |
0.062 5 |
0.006 0 |
0.006 2 |
0.006 5 |
0.006 8 |
0.007 3 |
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0.004 32 |
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12 |
0.083 3 |
0.006 7 |
0.006 9 |
0.007 1 |
0.007 5 |
0.008 0 |
0.008 4 |
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0.004 99 |
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10 |
0.100 0 |
|
0.007 4 |
0.007 6 |
0.008 0 |
0.008 4 |
0.008 9 |
0.009 5 |
0.010 2 |
|
0.005 47 |
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8 |
0.125 0 |
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0.008 3 |
0.008 6 |
0.009 1 |
0.009 5 |
0.010 1 |
0.010 8 |
0.011 5 |
0.006 12 |
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6 |
0.166 7 |
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0.009 2 |
0.009 6 |
0.010 0 |
0.010 5 |
0.011 1 |
0.011 8 |
0.012 5 |
0.007 06 |
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5 |
0.200 0 |
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0.010 3 |
0.010 7 |
0.011 2 |
0.011 7 |
0.012 4 |
0.013 2 |
0.007 74 |
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4 |
0.250 0 |
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0.011 2 |
0.011 6 |
0.012 1 |
0.012 7 |
0.013 4 |
0.014 1 |
0.008 65 |
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3 |
0.333 3 |
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0.013 4 |
0.014 0 |
0.014 7 |
0.015 4 |
0.009 99 |
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21/2 |
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0.014 9 |
0.015 6 |
0.016 4 |
0.010 94 |
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2 |
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0.016 2 |
0.016 9 |
0.017 7 |
0.012 23 |
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11/2 |
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0.018 8 |
0.019 6 |
0.014 13 |
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11/4 |
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0.020 2 |
0.020 9 |
0.015 47 |
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1 |
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0.022 7 |
0.017 30 |
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直径分量 0.002 |
0.001 69 |
0.001 89 |
0.002 15 |
0.002 52 |
0.002 96 |
0.003 42 |
0.004 00 |
0.004 70 |
0.005 43 |
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注：当旋合长度为10P 时，2级螺纹的公差等于螺距分量与直径分量之和 |
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