Tapping Sheet Metal Screw Head Type Flat Finish Plain Material 18-8 Stainless Steel Screw Size #12 Fastener Length 1 in Head Width 0.438 in Head Height 0.125 in Drive Size 3R Dimensional Standards ASME B18.6.4 SAE J933 For Maximum Material Thickness 1/32 in Pack Size Small Minimum Head Height 0.132 in Maximum Head Height 0.125 in System of Measurement Inch Drive Square Point Type A Package Quantity 50