Machine Screw Head Type Flat Material 18-8 Stainless Steel Finish Plain Drive Slotted Thread Size #2-56 Fastener Length 5/16 in Head Width 0.162 in Head Height 0.051 in Tensile Strength 60 000 psi Dimensional Standards ASME B18.6.3 Pack Size Small Type Standard Machine Screw Washer Thickness - Maximum Head Width 0.162 in Minimum Head Width 0.144 in System of Measurement Inch Thread Type Coarse Package Quantity 100