Cup Head Square Neck Bolts
GB /T 12 - 1988 半圆头方颈螺栓
See all versions and complete specifications: Cup Head Square Neck Bolts — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M6 | 1.25 | 7.8 | 8.36 | 15.3 | 5.4 | 22 | 28 | 5.28 | 4.4 | 17.1 | 4.6 |
| M8 | 1.75 | 11.76 | 12.43 | 23.16 | 8.45 | 30 | 36 | 8.9 | 7.55 | 25.3 | 7.55 |
| M10 | 2 | 15.76 | 16.43 | 31 | 10.45 | 38 | 44 | 10.9 | 9.55 | 33.6 | 9.55 |
| M12 | 2.5 | 19.22 | 20.52 | 39 | 12.55 |
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| 46 |
| 52 |
| 13.1 |
| 11.45 |
| 41.6 |
| 11.45 |
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