Socket Set Screw, Alloy Steel, Finish Black Oxide, Thread Size 3/8-24, Point Type Cone, Point Material Alloy Steel, Drive Type Hex Socket, Drive Size 3/16 in, Decimal Equivalent 0.188 in, Overall Length 3/8 in, Class 3A, Rockwell Hardness HRC 45-53, Meets ASME B18.3/ASTM F912, Package Quantity 50