Socket Head Cap Screw Head Type Standard System of Measurement Inch Drive Type Socket Drive Size 3/8 in Material Stainless Steel Material Grade/Class 18-8 Finish Plain Thread Size 1/2 In.-13 Minimum Thread Length 1 1/2 in Fastener Length 3 1/2 in Head Height 0.5 in Head Diameter 0.75 in Pack Size Small Pack Thread Style Partially Threaded Special Features Not Applicable Color Silver Countersink Angle Not Applicable Dimensional Standards ASME B18.3