Sheet Metal Screw Head Type Flat Finish Plain Material 18-8 Stainless Steel Screw Size #12 Fastener Length 3 1/2 in Head Width 0.412 in Head Height 0.125 in Drive Size #3 Dimensional Standards ASME B18.6.4 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 Phillips Point Type A Package Quantity 25