Self Drill Screw, Finish Zinc Plated, Material Steel, Head Type Hex Washer, Drive External Hex, Screw Size #8, Fastener Length 1 1/2 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, Head Color Silver, Package Quantity 600