5/16 Internal Tooth Lock Washer Black Zinc and Bake M10-1.50 With its precision-machined threads and

With its precision-machined threads and smooth finish

It has a square shape and is designed to be used with 5/16-18 machine screws

They meet ASTM standards for quality and durability

which means they are suitable for use in structural applications where high strength is required

It is made of zinc-plated steel and has a split design that allows it to be easily installed and removed

5/16 Internal Tooth Lock Washer Black Zinc and Bake M10-1.50 With its precision-machined threads and**5 16 Internal Tooth Lock Washer Black Zinc and Bake** These 5 16" internal tooth lock washers are made of durable steel and feature a black zinc and bake finish for corrosion resistance. They are designed to prevent nuts and bolts from loosening due to vibration or movement. The internal teeth bite into the mating surface, creating a secure hold. These washers are ideal for use in automotive, industrial, and construction applications. **Features:**