3/8 Internal Tooth Lock Washer Black Zinc and Bake #8 while the square necks prevent

while the square necks prevent the bolts from turning when tightened

The 3/8-16 x 7 1/2 Hex Tap Bolt Grade 5 Fully Threaded Zinc is a high-quality fastener designed for a variety of applications

This 12-24 square machine screw nut is made of durable 18-8 stainless steel

- Carriage bolt head style

These bolts are designed for use in outdoor applications

3/8 Internal Tooth Lock Washer Black Zinc and Bake #8 while the square necks prevent3 8" internal tooth lock washers are designed to prevent nuts and bolts from loosening due to vibration or movement. These washers have teeth on the inside diameter that bite into the mating surface, creating a secure hold. They are made of durable black zinc and bake material, providing excellent corrosion resistance and long lasting performance. These lock washers are commonly used in automotive, industrial, and construction applications where