| Diameter | : | 3/8 in |
| Package QTY | : | 20 |
- Self locking, through hardened steel washers that mate together
- The back sides have ridges that bite into the joined material, nut or cap screw
- Through-hardened Min 44HRC, Max 51 HRC
- Delta Protekt® coating
- Ease of assembly and disassembly
- Locking function not affected by lubrication
- Use with UNC, UNF and metric cap screws - all grades