Socket Head Cap Screw Head Type Button System of Measurement Inch Drive Type Socket Drive Size 3/8 in Material Steel Finish Black Oxide Thread Size 5/8 In.-11 Minimum Thread Length 3 in Fastener Length 3 in Head Height 0.625 in Head Diameter 1 in Pack Size Small Pack Thread Style Fully Threaded Special Features Not Applicable Countersink Angle Not Applicable Dimensional Standards ASME B18.3 Flange Diameter Not Applicable Flange Thickness Not Applicable