Self Drilling Tapping 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 Head Width 0.312 in Head Height 0.103 in Washer Outside Diameter 0.472 in Drive Size 1/4 in Pack Size Small System of Measurement Inch Maximum Head Width 0.312 in Minimum Head Width 0.305 in Application For Self-Drilling Screw Hex Washer Head Head Color Silver Package Quantity 100