Dimensions of Nut Face Washers (Dimensions in millimetres)
| Internal Diameter 'A' | External Diameter 'B' | Thickness 'C' | ||||
|---|---|---|---|---|---|---|
| Nominal Bolt Dia. | Min | Max | Min | Max | Min | Max |
| M12 | 12.1 | 12.35 | 22.7 | 24 | 2.7 | 4.3 |
| M16 | 16.1 | 16.35 | 27.7 | 29 | 3.7 | 4.3 |
| M20 | 20.1 | 20.4 | 34.4 | 36 | 3.7 | 4.3 |
| M22 | 22.3 | 22.6 | 37.4 | 39 | 3.7 | 4.3 |
| M24 | 24.2 | 24.5 | 41.4 | 43 | 3.7 | 4.3 |
| M27 | 27.2 | 27.55 | 46.4 | 48 | 4.4 | 5.6 |
| M30 | 30.2 | 30.55 | 50.1 | 52 | 4.4 | 5.6 |
| M36 | 36.2 | 36.55 | 60.1 | 62 | 5.4 | 6.6 |