Hexagon Bolts with Large Widths Across Flats for Steel Structures (Joints with Hightensile, Prestressed Bolts)
CNS 4366 - 1987 高预力连接钢结构用 大六角头螺栓
See all versions and complete specifications: Hexagon Bolts with Large Widths Across Flats for Steel Structures (Joints with Hightensile, Prestressed Bolts) — Full Specification Page
| Size | P | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2 | 27 | 0.6 | 29.56 | 26（L≤70） | 28（L＞70） | 1.6 | 1.2 | 25 | 10 |
| M16 | 2.5 | 36 | 0.8 | 39.55 | 32（L≤85） | 34（L＞85） | 2 | 1.5 | 34 | 14 |
| M20 | 3 | 46 |
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| 0.8 |
| 50.85 |
| 37（L≤95） |
| 39（L＞95） |
| 2.5 |
| 2 |
| 43.5 |
| 17 |
| M22 | 3.5 | 50 | 0.8 | 55.37 | 40（L≤95） | 42（L＞95） | 2.5 | 2 | 47.5 | 19 |
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