Hexagon Nuts for High-Strength Structural Boltinig with Large Width Across Flats - Product Grades B - Property Classes 8 and 10
ISO 4775 - 1984 高强度钢结构栓接用 - B级 - 大六角螺母（大对边）- 8、10级
See all versions and complete specifications: Hexagon Nuts for High-Strength Structural Boltinig with Large Width Across Flats - Product Grades B - Property Classes 8 and 10 — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| ISO | ISO 4775 |
| ANSI | ANSI/ASME B 18.2.4.6M |
| Size | P | e | r | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M16 | 2.5 | 36 | 0.4 | 39.55 | 23.6 |
| 23.8 |
| 22 |
| 17.8 |
| 0.8 |
| 33.3 |
| 22.3 |
| M20 | 3 | 46 | 0.4 | 50.85 | 27.6 | 28.2 | 27 | 21 | 0.8 | 42.8 | 26.3 |
| (M12) | 2 | 27 | 0.4 | 29.56 | 17.1 | 17.3 | 16 | 13.1 | 0.8 | 24.9 | 16.4 |
| (M22) | 4 | 60 | 0.4 | 66.44 | 36.6 | 38.9 | 36 | 28 | 0.8 | 55.9 | 35 |
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