Hexagon Head Bolts with Split Pin Hole on Shank - Fine Pitch Thread
GB /T 31.3 - 2025 六角头螺杆带孔螺栓 细牙
See all versions and complete specifications: Hexagon Head Bolts with Split Pin Hole on Shank - Fine Pitch Thread — Full Specification Page
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| M8 | 1.25 | 1 | 2.50 | 2.75 |
| M10 | 1.5 | / | 3.20 | 3.50 |
| M12 | 2 | 1.5 | 4.00 | 4.30 |
| M16 | 2 | / | 5.00 | 5.30 |
| M20 | 3 | / | 8.00 | 8.36 |
| (M14) | 2 | 1.5 | 5.00 | 5.30 |
| (M18) | 3 | / | 6.30 | 6.66 |
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