High-Strength Structural Bolting Assemblies for Preloading-Part 3:System HR-Hexagon Bolt with Large Width Across Flats
GB /T 32076.3 - 2015 预载荷高强度栓接结构连接副 第3部分 HR型 大六角头螺栓
See all versions and complete specifications: High-Strength Structural Bolting Assemblies for Preloading-Part 3:System HR-Hexagon Bolt with Large Width Across Flats — 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 | 8.8 | 26.17 | 0.4 | 17.2 | 34 | 40 | 13.3 | 22.0 | 0.8 | 14.7 |
| M16 | 2.5 | 14 | 39.55 | 0.4 | 26.4 | 50 | 56 |
| 21.16 |
| 33.3 |
| 0.8 |
| 22.84 |
| M20 | 4 | 22.5 | 66.44 | 0.4 | 42.4 | 78 | 84 | 35 | 55.9 | 0.8 | 37 |
| (M14) | 2.5 | 11.5 | 32.95 | 0.4 | 21.7 | 42 | 48 | 17.3 | 27.7 | 0.8 | 18.7 |
| (M18) | 3 | 17 | 50.85 | 0.4 | 32.4 | 60 | 66 | 26.16 | 42.8 | 0.8 | 27.84 |
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