Self Drilling Screw Finish Plain Material 410 Stainless Steel Head Type Hex Washer Drive External Hex Screw Size #10 Fastener Length 1 1/2 in Drill Point Size 2 Drill Tip Length 15/64 in Maximum Drilling Thickness 0.068 in Head Width 0.312 in Head Height 0.12 in Washer Outside Diameter 0.414 in Drive Size 5/16 in Pack Size Small System of Measurement Inch Maximum Head Width 0.312 in Minimum Head Width 0.305 in Maximum Head Height 0.12 in Minimum Head Height 0.105 in