Socket Flat Head Screw Head Type Flat System of Measurement Inch Drive Type Socket Drive Size 5/32 in Material Steel Finish Chrome Plated Thread Size 1/4 In.-20 Minimum Thread Length 13/16 in Fastener Length 1 in Head Height 0.161 in Head Diameter 0.531 in Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Countersink Angle 82 Degrees Dimensional Standards ASME B18.3 Flange Diameter Not Applicable Flange Thickness Not Applicable