发布日期:2024-04-09 浏览次数:
标准类型:QIB/中国
标准号:QIB/IND 1811

单位:英寸(inch) 规格:1/4~1
| (inch) | P | n | n1 | k |
|---|---|---|---|---|
| 1/4 | 20 | 0.281 | 0.313 | 0.406 |
| 5/16 | 18 | 0.5 | 0.5 | 1.219 |
| 3/8 | 16 | 0.5 | 0.5 | 0.563 |
| 1/2 | 13 | 0.813 | 0.875 | 0.750 |
| 5/8 | 11 | 0.844 | 0.906 | 0.938 |
| 3/4 | 10 | 0.906 | 1.125 | 1.125 |
| 7/8 | 9 | 1.063 | 1.188 | 1.313 |
| 1 | 8 | 1.25 | 1.375 | 1.5 |