Tapping Sheet Metal Screw, Head Type Flat, Finish Zinc Plated, Material Steel, Screw Size #12, Fastener Length 3 in, Head Width 0.412 in, Head Height 0.132 in, Drive Size #3, Dimensional Standards ASME B18.6.3, Pack Size Small, Minimum Head Width 0.38 in, Maximum Head Width 0.412 in, System of Measurement Inch, Drive Phillips, Package Quantity 100