1/2 External Tooth Lock Washer Black Oxide 10-24 025-063 This 5/8-11 x 3 1/2

This 5/8-11 x 3 1/2 Grade 8 Plow Bolt features a #3 head and plain finish

Its Grade 8 rating indicates its superior strength and ability to withstand demanding conditions

This 1/2-13 x 3 1/2 Hex Tap Bolt is made of durable 18-8 stainless steel

It is zinc-plated for corrosion resistance and has a hex head for easy installation with a wrench or socket

durable connection is needed

1/2 External Tooth Lock Washer Black Oxide 10-24 025-063 This 5/8-11 x 3 1/21 2 in. External Tooth Lock Washer, Black Oxide. This washer is designed to be used with a bolt or screw to prevent loosening due to vibration. The external teeth bite into the surface of the mating material, creating a secure hold. The black oxide finish provides corrosion resistance.