Tapping Sheet Metal Screw Head Type Hex Washer Finish Zinc Plated Material Steel Screw Size 3/8 in Fastener Length 1 1/2 in Head Width 0.717 in Head Height 0.295 in Dimensional Standards ASME B18.6.3 For Maximum Material Thickness 3/16 in Pack Size Small Minimum Head Height 0.27 in Minimum Head Width 0.67 in Maximum Head Height 0.295 in Maximum Head Width 0.717 in System of Measurement Inch Drive Slotted Point Type SMS Package Quantity 100