Large Square Head Bolts (Regular)
CNS 3137 - 1981 大方头螺栓（一般用）
See all versions and complete specifications: Large Square Head Bolts (Regular) — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.75 | 0.6 | 42.4 | 8 | 8.8 | 12 | 12.9 | 30 | 29.2 | 11.8 | 7.2 |
| M12 | 2.5 | 0.8 | 58 | 13 | 13.9 | 20 | 20.95 | 41 | 40 | 19.65 | 12.1 |
| M16 | 3 | 0.8 | 77.8 | 15 | 15.9 | 24 | 24.95 | 55 | 53.8 | 23.65 | 14.1 |
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