Hexagon Bolts for High-Strength Structural Bolting with Large Width Across Flats (Thread Lengths According to ISO 888) - Product Grade C - Property Classes 8.8 and 10.9
ISO 7411 - 1984 C级高强度钢结构栓接用六角头螺栓（螺纹长度根据ISO 888） 8.8和10.9级
See all versions and complete specifications: Hexagon Bolts for High-strength Structural Bolting with Large Width Across Flats (Short Thread Length) - Product Grade C - Property Classes 8.8 and 10.9 — Full Specification Page
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 2.0 | 9.25 | 10.75 | 16.70 | 15.30 | 0.8 | 0.4 | 29.56 | 10 | 18.7 | 24.9 |
| M16 | 2.5 | 13.10 | 14.90 | 22.84 | 21.16 | 0.8 |
| 0.4 |
| 39.55 |
| 14 |
| 25.24 |
| 33.3 |
| M20 | 3 | 16.10 | 17.90 | 27.84 | 26.16 | 0.8 | 0.4 | 50.85 | 17 | 31.24 | 42.8 |
| (M22) | 4 | 21.45 | 23.55 | 37.00 | 35.00 | 0.8 | 0.4 | 66.44 | 22.5 | 41 | 55.9 |
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