Socket Head Cap Screw Head Type Standard System of Measurement Inch Drive Type Socket Drive Size 1/2 in Material Stainless Steel Material Grade/Class 18-8 Finish Plain Thread Size 5/8 In.-11 Minimum Thread Length 1 3/4 in Fastener Length 5 1/2 in Head Height 0.625 in Head Diameter 1 in Pack Size Small Pack Thread Style Partially Threaded Special Features Not Applicable Countersink Angle Not Applicable Dimensional Standards ASME B18.3 Flange Diameter Not Applicable