Tapping Sheet Metal Screw, Head Type Pan, Finish Zinc Plated, Material Steel, Screw Size #4, Fastener Length 3/4 in, Head Width 0.212 in, Head Height 0.08 in, Drive Size #1, Dimensional Standards ASME B18.6.3, For Maximum Material Thickness 3/64 in, Pack Size Small, Minimum Head Height 0.07 in, Minimum Head Width 0.191 in, Maximum Head Height 0.08 in, Maximum Head Width 0.212 in, System of Measurement Inch, Drive Combination Slotted/Phillips, Point Type AB