High Strength Bolts for Joints of Space Grid Structures
GB /T 16939 - 1997 钢网架螺栓球节点用高强度螺栓
See all versions and complete specifications: High Strength Bolts for Joints of Space Grid Structures — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 54 | 6.75 | 20.38 | 14.35 | 17 | 21 | 7.5 | 8.25 | 21 | 13.65 |
| M14 | 2.5 | 73 | 11.6 | 29.38 | 20.42 | 25 | 30 | 12.5 | 13.4 | 30 | 19.58 |
| M16 | 3 | 82 | 14.1 | 35.38 | 24.42 | 30 | 36 | 15 | 15.9 | 36 | 23.58 |
| M20 | 3.5 | 98 | 17.65 | 45.38 | 30.42 |
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| 37 |
| 44 |
| 18.7 |
| 19.75 |
| 46 |
| 29.58 |
| M22 | 3.5 | 101 | 19.95 | 49.38 | 33.5 | 40 | 47 | 21 | 22.05 | 50 | 32.5 |
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