A coiled, hardened split circular washer with a slightly trapezoidal wire section.
Applies greater bolt tension per unit of applied torque.
Provides a hardened bearing surface and more uniform load distribution.
Steel, yellow zinc plated.
Resists loosening caused by vibration and corrosion.
For use with grade 8 bolts.
Rockwell Hardness: C38-46
Inside Diameter: Min .314 Max .322
Outside Diameter: 0.583
A coiled, hardened split circular washer with a slightly trapezoidal wire section. Applies greater bolt tension per unit of applied torque. Provides a har