Self Drilling Screw Finish Zinc Plated Material Steel Head Type K-Lath Drive Phillips Screw Size #8 Fastener Length 3/4 in Drill Point Size 2 Drill Tip Length 9/64 in Maximum Drilling Thickness 0.136 in Head Width 0.42 in Head Height 0.09 in Washer Outside Diameter 0.38 in Drive Size #2 Pack Size Small System of Measurement Inch Maximum Head Width 0.42 in Minimum Head Width 0.4 in Maximum Head Height 0.09 in Minimum Head Height 0.08 in