Metal to Metal Type #1 BLACK 5/16" Hex Head -Drill Point Metal to Metal Roofing Screws. 9/16" EPDM Washer

Self drilling Type #1 Metal to Metal Stitching Screws have a 5/16" hex head with a 9/16" EPDM washer Metal-to-Metal stitching screws are painted with two part polyurethane for long life and good looks