Black Countersunk Nibbed Bolts
BS 325 - 1947 粗制沉头带榫螺栓Table4
See all versions and complete specifications: Black Countersunk Nibbed Bolts — Full Specification Page
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| 1/2 | 8 | 1.839 | 0.625 | 0.25 |
| 1/4 | 18 | 0.574 | 0.234 | 0.078 |
| 3/8 | 11 | 1.149 | 0.42 | 0.156 |
| 5/16 | 14 | 0.805 | 0.327 | 0.109 |
| 7/16 | 9 | 1.609 | 0.561 | 0.219 |
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