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, zinc plated.
Resists loosening caused by vibration and corrosion.
Designed for use with grade 5 bolts.
Rockwell Hardness: C38-46
Inside Diameter: Min .377 Max .385
Outside Diameter: 0.68
A coiled, hardened split circular washer with a slightly trapezoidal wire section. Applies greater bolt tension per unit of applied torque. Provides a har