Unified Hexagon Head Faced Bolts
BS 1769 - 1951 大六角头车削螺栓(统一螺纹)
See all versions and complete specifications: Unified Hexagon Head Faced Bolts — Full Specification Page
| Size | P | r | k_max | k_min | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 | 4 | 3.18 | 1.352 | 2.75 | 1/8 | 3.75 | 2.69 | 1.272 |
| 1/2 | 11 | 1.75 | 1.23 | 0.522 | 1.0625 | 1/16 | 1.5 | 1.0375 | 0.478 |
| 3/4 | 7 | 2.75 | 2.09 | 0.874 | 1.8125 | 1/8 | 2.5 | 1.7825 | 0.814 |
| 5/8 | 9 | 2.25 | 1.66 | 0.714 | 1.4375 | 1/16 | 2 | 1.4075 | 0.662 |
| 7/8 |
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| 6 |
| 3.25 |
| 2.53 |
| 1.065 |
| 2.1875 |
| 1/8 |
| 3 |
| 2.1425 |
| 0.997 |
| 1-1/8 | 4-1/2 | 4.5 | 3.61 | 1.482 | 3.125 | 1/8 | 4.25 | 3.065 | 1.394 |
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