DIN 7980
DIN 7980 High collar spring lock washer ,
The dimension as below:
 |
| Size | d min. | d1 max. | s |
| M3 | 3.1 | 5.6 | 1 |
| M4 | 4.1 | 7 | 1.2 |
| M5 | 5.1 | 8.8 | 1.6 |
| M6 | 6.1 | 9.9 | 1.6 |
| M8 | 8.1 | 12.7 | 2 |
| M10 | 10.2 | 16 | 2.5 |
| M12 | 12.2 | 18 | 2.5 |
| M14 | 14.2 | 21.1 | 3 |
| M16 | 16.2 | 24.4 | 3.5 |
| M20 | 20.2 | 30.6 | 4.5 |
| M24 | 24.5 | 35.9 | 5 |
* All size in mm ;
* Spring Washer specification ;