Lock washer Inside diameter: 0.39 inch; these 3/8 inch lock washers will fit 3/8 inch thread size and m10 bolts
Material: The screws are made of 304 stainless steel 18/8; Excellent toughness; Good corrosion resistance; Extra Black Oxide treatments make it more chemical resistance
Feature: The lock washer provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut
Package Contents: 50 of pack
Application: It can distribute the load of threaded bolts screws and nuts, providing a smooth load bearing surface. Lock washers are widely used for conncections on household and commercial appliance.