Dimensions of Plain Washers, Outer Diameter about 3 x D
| Nominal Size | d1 | d2 | H |
|---|---|---|---|
| M 3 | 3.2 | 9 | 0.8 |
| M 3.5 | 3.7 | 11 | 0.8 |
| M 4 | 4.3 | 12 | 1 |
| M 5 | 5.3 | 15 | 1.2 |
| M 6 | 6.4 | 18 | 1.6 |
| M 7 | 7.4 | 22 | 2 |
| M 8 | 8.4 | 24 | 2 |
| M 10 | 10.5 | 30 | 2.5 |
| M 12 | 13 | 37 | 3 |
| M 14 | 15 | 44 | 3 |
| M 16 | 17 | 50 | 3 |
| M 18 | 20 | 56 | 4 |
| M 20 | 22 | 60 | 4 |
| M 22 | 23/24 | 66 | 5 |
| M 24 | 26 | 72 | 5 |
| M 27 | 30 | 85 | 6 |
| M 30 | 33 | 92 | 6 |
| M 33 | 36 | 105 | 6 |
| M 36 | 39 | 110 | 8 |