6-20 x 5/8 Unslotted Indented Hex Washer Thread Cutting Screw Type 25 Fully Threaded Zinc ABW It has a hex head

It has a hex head for easy driving and a sharp point for easy starting

while the partially threaded shank allows for precise adjustments

Its Type 23 thread cutting design allows it to create its own threads as it is driven

They have a flat head with a Phillips drive and an undercut design that helps to prevent the screw from loosening

This 1/4-20 x 1/2 Unslotted Indented Hex Head Thread Cutting Screw Type 1 F/T Zinc is designed for use in a variety of applications

6-20 x 5/8 Unslotted Indented Hex Washer Thread Cutting Screw Type 25 Fully Threaded Zinc ABW It has a hex head6 20 x 5 8 Unslotted Indented Hex Washer Thread Cutting Screw Type 25 Fully Threaded Zinc: #6 20 screw size, 5 8" length Unslotted hex washer head for secure tightening with a wrench Indented washer provides a larger bearing surface and prevents loosening Thread cutting design creates its own threads in the material, providing a strong hold Type 25 thread style for use in thicker materials Fully threaded for maximum holding power Zinc plating for