Set Screw, Socket Head, Imperial, 3/4 in Dia, 3/4 in Lg, Cup Point, Alloy Steel, Thermal Black Oxide, Hex Drive, UNF, HRC 45 to 53 Hardness, 3/8 in Drive

Socket set screws are typically used to secure an object within another object. They are usually fully threaded and are tightened against the inner object to prevent movement. These screws have a cup point.