DIN 9250
DIN 9250 Single / Double Serration Safety Lock Washer.
The dimension of DIN 9250 Safty Lock Washer Type S and Type VS as below:
 |
| Type S | Type VS | ||||||||
| Size | d1 | d2 | s | h | Size | d1 | d2 | s | h |
| M2 | 2.2 | 4 | 0.35 | 0.6 | M5 | 5.3 | 9 | 1 | 1.3 |
| M3 | 3.2 | 5.5 | 0.45 | 0.9 | M6 | 6.4 | 10 | 1 | 1.4 |
| M4 | 4.3 | 7 | 0.5 | 1 | M8 | 8.4 | 13 | 1.2 | 1.7 |
| M5 | 5.3 | 9 | 0.6 | 1.1 | M10 | 10.5 | 16 | 1.5 | 2 |
| M6 | 6.4 | 10 | 0.7 | 1.2 | M12 | 13 | 18 | 1.5 | 2.1 |
| M8 | 8.4 | 13 | 0.8 | 1.4 | M14 | 15 | 22 | 1.5 | 2.2 |
| M10 | 10.5 | 16 | 1 | 1.6 | M16 | 17 | 24 | 2 | 2.6 |
| M12 | 13 | 18 | 1.1 | 1.7 | M18 | 19 | 27 | 2 | 2.7 |
| M14 | 15 | 22 | 1.2 | 2 | M20 | 21 | 30 | 2 | 2.8 |
| M16 | 17 | 24 | 1.3 | 2.1 | M22 | 23 | 33 | 2 | 3 |
| M18 | 19 | 27 | 1.5 | 2.3 | M24 | 25.6 | 36 | 2.5 | 3.4 |
| M20 | 21 | 30 | 1.5 | 2.4 | M27 | 28.6 | 39 | 2.5 | 3.5 |
| M22 | 23 | 33 | 1.5 | 2.5 | M30 | 31.6 | 45 | 2.5 | 3.8 |
| M24 | 25.6 | 36 | 1.8 | 2.7 | M33 | 34.6 | 50 | 3 | 4.5 |
| M27 | 28.6 | 39 | 2 | 2.9 | M36 | 38 | 54 | 3 | 4.5 |
| M30 | 31.6 | 45 | 2 | 3.2 | |||||
| M33 | 34.8 | 50 | 2.5 | 4 | |||||
| M36 | 38 | 54 | 2.5 | 4.2 | |||||
* All size in mm ;