- Lock washers are designed to keep threaded fasteners from loosening
- They prevent vibrations and have external teeth to prevent rotation
| Type | Countersunk Lockwasher |
| Style | External Tooth |
| Size | #6 |
| Material | Steel |
| Inside Dia. | 0.15 |
| Outside Dia. | 0.289 |
| Thickness | 0.021 |
| Tooth Length | 0.92 |
| Countersunk Angle | 80–82° |
