Self Drilling Screw Finish Climaseal Material Steel Head Type Flat Drive Phillips Screw Size 1/4 in Fastener Length 3 in Drill Point Size 4 Drill Tip Length 19/32 in Maximum Drilling Thickness 0.25 in Head Width 0.476 in Head Height 0.21 in Washer Outside Diameter Not Applicable Drive Size #3 Pack Size Small System of Measurement Inch Maximum Head Width 0.476 in Minimum Head Width 0.476 in Application Steel Framing Head Color Silver Package Quantity 100