The purpose for a lock washer is to prevent threaded fasteners from loosening by creating friction between the fastener and the mounting surface.
| Item | Internal Tooth Lock Washer |
|---|---|
| Material | Steel |
| Finish | Zinc Plated |
| For Screw Size | 3/8 in |
| Outside Diameter | 45/64 in |
| Maximum Thickness | 1/16 in |
| Inside Diameter | 3/8 in |
| System of Measurement | Inch |
| Material Grade/Class | C42 |
| Package Quantity | 100 |
| Application | Smaller head screws |
| Country of Origin (subject to change) | China |