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, plain finish
Resists loosening caused by vibration and corrosion.
A coiled, hardened split circular washer with a slightly trapezoidal wire section. Applies greater bolt tension per unit of applied torque. Provides a har