Machine Screw Head Type Hex Material Steel Finish Zinc Plated Drive External Hex Thread Size #6-32 Fastener Length 1/4 in Head Width 0.25 in Head Height 0.093 in Drive Size 1/4 in Dimensional Standards ASME B18.13 Pack Size Small Type Machine Screw Washer Outside Diameter 0.285 in Washer Thickness 0.02 in System of Measurement Inch Thread Type Coarse Package Quantity 100