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