粗制80°沉頭方頸螺栓 BS 325
Black 80° countersunk square neck bolts for iron and steel work-Table 5
標(biāo)準(zhǔn)類型:BS/英國(guó) 標(biāo)準(zhǔn)號(hào):BS 325-1947 規(guī)格:3/8~1

單位:英寸(inch)
粗制80°沉頭方頸螺栓 BS 325規(guī)格參數(shù)
| (inch) | P | dk | k |
| 3/8 | 16 | 0.69 | 0.313 |
| 7/16 | 14 | 0.805 | 0.375 |
| 1/2 | 12 | 0.92 | 0.422 |
| 5/8 | 11 | 1.149 | 0.515 |
| 3/4 | 10 | 1.379 | 0.625 |
| 7/8 | 9 | 1.609 | 0.719 |
| 1 | 8 | 1.839 | 0.812 |