Self Drilling Tapping Screw Finish Zinc Plated Material Steel Head Type Hex Washer Drive External Hex Screw Size 1/4 in Fastener Length 2 1/2 in Drill Point Size 3 Head Width 0.312 in Head Height 0.181 in Washer Outside Diameter 0.52 in Drive Size 3/8 in Pack Size Small System of Measurement Inch Maximum Head Width 0.312 in Minimum Head Width 0.305 in Application Self-Drilling Screw Hex Washer Head Head Color Silver Package Quantity 50
