Machine Screw Head Type Pan Material Nylon Finish Plain Drive Slotted Thread Size #2-56 Fastener Length 1/4 in Head Width 0.156 in Head Height 0.047 in Tensile Strength 19 psi Pack Size Small Minimum Thread Length 1/4 in Type Standard Machine Screw Washer Outside Diameter Not Applicable Washer Thickness Not Applicable Maximum Head Width 0.156 in Minimum Head Width 0.161 in Maximum Head Height 0.047 in Minimum Head Height 0.049 in System of Measurement Inch