5/16 Internal Tooth Lock Washer Black Zinc and Bake M10-1.50 this bolt delivers reliable performance

this bolt delivers reliable performance and long-lasting results

With its precision-machined threads and smooth finish

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

Its Grade 5 rating ensures strength and reliability

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 this bolt delivers reliable performance**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:**