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单位:英寸(inch)
| (inch) | P | dk | d1 | k | h | L | y1 | y |
|---|---|---|---|---|---|---|---|---|
| 1/8 | 40 | 0.344 | 0.250 | 0.281 | 0.531 | 0.875 | 0.094 | 0.063 |
| 3/16 | 24|32 | 0.406 | 0.313 | 0.344 | 0.594 | 1.000 | 0.094 | 0.063 |
| 1/4 | 20|26 | 0.500 | 0.375 | 0.438 | 0.719 | 0.813 | 0.094 | 0.063 |
| 5/16 | 18|22 | 0.625 | 0.469 | 0.500 | 0.906 | 1.500 | 0.125 | 0.094 |
| 3/8 | 16|20 | 0.688 | 0.563 | 0.563 | 1.000 | 1.750 | 0.188 | 0.125 |
| 7/16 | 14|18 | 0.750 | 0.625 | 0.594 | 1.125 | 2.000 | 0.188 | 0.125 |
| 1/2 | 12|16 | 0.875 | 0.688 | 0.656 | 1.250 | 2.313 | 0.219 | 0.156 |
| 5/8 | 11|14 | 1.000 | 0.813 | 0.750 | 1.438 | 2.500 | 0.250 | 0.188 |
| 3/4 | 10|12 | 1.250 | 1.063 | 0.875 | 1.625 | 3.063 | 0.281 | 0.219 |