BS 1769-1951 重型粗制六角螺栓标准
发布日期:2016-08-18
BS 1769-1951 重型粗制六角螺栓标
单位:inch
公称直径D | 螺距P | K | S |
UNC
| UNF
| MAX
| MIN | MAX
| Min |
1/2 | 13 | 20 | 0.426 | 0.386 | 0.8750 | 0.8850 |
5/8 | 11 | 18 | 0.522 | 0.478 | 1.0625 | 1.0375 |
3/4 | 10 | 16 | 0.618 | 0.570 | 1.2500 | 1.2250 |
7/8 | 9 | 14 | 0.714 | 0.662 | 1.4375 | 1.4075 |
1
| 8 | 12
| 0.778 | 0.772
| 1.6250
| 1.5950
|