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.
For use with metric bolts and screws.
Rockwell Hardness: C44-51
Inside Diameter: Min 3.1 Max 3.4
Outside Diameter: 6.2
A coiled, hardened split circular washer with a slightly trapezoidal wire section. Applies greater bolt tension per unit of applied torque. Provides a har