Self Drilling Screw, Finish Zinc Plated, Material Steel, Head Type Pan, Drive Phillips, Screw Size #8, Fastener Length 1/2 in, Drill Point Size 2, Drill Tip Length 7/32 in, Maximum Drilling Thickness 0.136 in, Head Width 0.322 in, Head Height 0.115 in, Washer Outside Diameter Not Applicable, Drive Size #2, Pack Size Small, System of Measurement Inch, Maximum Head Width 0.322 in, Minimum Head Width 0.306 in, Maximum Head Height 0.115 in, Minimum Head Height 0.105 in