Self Drill Screw, Finish Zinc-Plated, Material Steel, Head Type Hex Washer, Drive External Hex, Screw Size #8, Fastener Length 5/8 in, Drill Point Size 2, Drill Tip Length 3/16 in, Head Width 0.244 in, Head Height 0.143 in, Washer Outside Diameter 0.301 in, Drive Size 1/4 in, Pack Size Small, System of Measurement Inch, Maximum Head Width 1/4 in, Minimum Head Width Not Applicable, Maximum Head Height 9/64 in, Minimum Head Height Not Applicable, Head Color Silver, Package Quantity 1250