Self Drilling Tapping Screw Finish Zinc Plated Material Steel Head Type Flat Drive Phillips Screw Size #8 Fastener Length 1 1/2 in Drill Point Size 2 Drill Tip Length 7/32 in Maximum Drilling Thickness 0.136 in Head Width 0.262 in Head Height Not Applicable Washer Outside Diameter Not Applicable Drive Size #2 Pack Size Small System of Measurement Inch Maximum Head Width 0.262 in Minimum Head Width 0.238 in Maximum Head Height Not Applicable Minimum Head Height Not Applicable