5/16 Internal Tooth Lock Washer Black Zinc and Bake M10-1.50 Our 3/8-16 x 5 1/4

Our 3/8-16 x 5 1/4 Hex Cap Screw Grade 8 Yellow Zinc is a high-quality fastener designed for demanding applications

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

With its precision-machined threads and smooth finish

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

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

5/16 Internal Tooth Lock Washer Black Zinc and Bake M10-1.50 Our 3/8-16 x 5 1/4**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:**