DIN 433
DIN 433 – Flat Washer, small outer diameter flat washer.
Dimension of DIN 433 as below:
 |
| Size | d max | d1 min | d2 max | s |
| M3 | 3.38 | 3.2 | 6 | 0.5 |
| M4 | 4.48 | 4.3 | 8 | 0.5 |
| M5 | 5.48 | 5.3 | 9 | 1 |
| M6 | 6.62 | 6.4 | 11 | 1.6 |
| M8 | 8.62 | 8.4 | 15 | 1.6 |
| M10 | 10.77 | 10.5 | 18 | 1.6 |
| M12 | 13.27 | 13 | 20 | 2 |
| M14 | 15.27 | 15 | 24 | 2.5 |
| M16 | 17.27 | 17 | 28 | 2.5 |
| M20 | 21.33 | 21 | 34 | 3 |