#10 Internal Tooth Lock Washer Black Zinc and Bake WC188 and a hexagonal head for

and a hexagonal head for easy installation using a wrench or socket

This 5/16-24 heavy hex nut is made of durable steel and has a zinc coating for added corrosion resistance

With a plain finish

It is designed for use with 5/16-18 threaded machine screws and has a standard pattern hex shape for easy tightening and loosening

The fully threaded shank provides a secure hold and allows for precise adjustments

#10 Internal Tooth Lock Washer Black Zinc and Bake WC188 and a hexagonal head for#10 Internal Tooth Lock Washer Black Zinc and Bake is a high quality washer designed to prevent nuts and bolts from loosening due to vibration or movement. It is made of durable steel and has a black zinc and bake finish for corrosion resistance. The internal teeth bite into the mating surface, creating a secure hold. This washer is ideal for use in a variety of applications, including automotive, industrial, and construction.