- Lock washers are designed to keep threaded fasteners from loosening
- They prevent vibrations and have external teeth to prevent rotation
| Type | Wedge Washer |
| Style | Self-Locking |
| Size | M4-.70 |
| Material | Steel |
| Grade/Class | 8 |
| O.D. | 7.6 MM |
California Residents: Prop 65 Warning
WARNING: Cancer and Reproductive Harm
www.p65warnings.ca.gov
| Type | Wedge Washer |
| Style | Self-Locking |
| Size | M4-.70 |
| Material | Steel |
| Grade/Class | 8 |
| O.D. | 7.6 MM |
