Plain Washers For High-Strength Structural Bolting,Hardened And Tempered
ISO 7415 - 1984
Display drawing:
| Screw Thread | M20 | ||
| Nominal Diameter | M20 | ||
| D | Min | 22 | |
| D | Max | 22.52 | |
| Dc | Min | 40.4 | |
| Dc | Max | 42 | |
| H | Min | 3.1 | |
| H | Max | 4.6 | |