1/4-20 x 2 3/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc 1 3/8-12 They are made of zinc-plated

They are made of zinc-plated steel for corrosion resistance and have a square drive head for easy installation

These 12-14 x 1 1/2 Unslotted Indent Hex Washer Self Tapping Screw Type AB are made of 18-8 stainless steel

It has a slotted hex washer head for easy driving and a self-tapping design that eliminates the need for pre-drilling

The 1/4-20 x 1/2 Slotted Fillister Head Machine Screw Fully Threaded Zinc is a versatile and durable screw that is perfect for a variety of projects

The bolt is 4 1/2 inches long and has a diameter of 5/16 inches

1/4-20 x 2 3/4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc 1 3/8-12 They are made of zinc-platedThis 1 4 20 x 2 3 4 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a versatile and durable fastener designed for a wide range of applications. The 1 4 20 thread size ensures a secure fit, while the 2 3 4 inch length provides ample reach. The serrated hex flange washer head helps to distribute the load and prevent the screw from loosening. The full thread design allows for maximum holding power. The case hardened zinc plating provides