The 1/2-13 nylon insert lock nut is manufactured from 18-8 stainless steel, providing enhanced corrosion resistance compared to plain steel or zinc-plated fasteners. The integrated nylon insert creates friction against the bolt threads, preventing loosening under vibration or dynamic loads. This grade of stainless steel is selected for applications requiring better atmospheric and chemical resistance than standard carbon steel.
These nuts are used in outdoor equipment assemblies, food processing machinery, and marine environments where consistent fastener retention is critical. The nylon insert maintains clamping force over time, resisting the effects of minor movement without requiring thread-locking compounds. This prevents component separation in demanding operational conditions.
Specifications
- Material / grade: 18-8 Stainless Steel
- Size: 1/2-13
- Finish: Plain
- Pack quantity: 100 pk
- Thread type: UNC (Coarse)
In stock. Ships same day on orders placed before 3:00 pm CT. 30-day returns on unused stock in original packaging.





