- Lock washers are designed to keep threaded fasteners from loosening
- They prevent vibrations and have external teeth to prevent rotation
| Type | Lockwasher |
| Style | Split |
| Size | M4 |
| Material | Spring Steel |
| Design Usage | Tension |
| Din No. | 127B |
| Inside Dia. | 4.1 mm |
| Outside Dia. | 7.6 mm |
| Thickness | 0.9 mm |
