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单位:英寸(inch)
| (inch) | P | dk max | dk min | k | t | n max | n min | r max | r min | Standard |
|---|---|---|---|---|---|---|---|---|---|---|
| #10 | 32 | 0.31 | 0.292 | 0.125 | 0.062 | 0.06 | 0.05 | 0.015 | 0.005 | AN 115401 |
| 1/4 | 28 | 0.414 | 0.38 | 0.156 | 0.078 | 0.075 | 0.064 | 0.015 | 0.005 | AN 115451 |
| 5/16 | 24 | 0.518 | 0.49 | 0.172 | 0.094 | 0.084 | 0.072 | 0.015 | 0.005 | AN 115501 |
| 3/8 | 24 | 0.622 | 0.59 | 0.203 | 0.109 | 0.094 | 0.081 | 0.015 | 0.005 | AN 115551 |