5/16-18 x 5/8 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An NSY The undercut design of the

The undercut design of the head helps to prevent the screw from loosening over time

making it a versatile addition to any toolbox

it provides secure and reliable hold in a wide range of materials

It has a diameter of 5/16 inches and a thickness of 0

The washer has an outer diameter of 5/16 inches and an inner diameter of 1/4 inches

5/16-18 x 5/8 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc An NSY The undercut design of the5 16 18 x 5 8 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc Anodized: Size: 5 16" diameter, 18 threads per inch, 5 8" length Thread Type: Thread cutting, designed to cut threads into the material during installation Head Type: Indented hex washer head with a large bearing surface for even load distribution Drive Type: Unslotted, requiring a hex key or driver for installation Material: Steel with zinc anodized coating