Fine Thread Socket Set Screw Cup Plain

Cup point: A headless screw threaded the entire length. It has a hexagonal drive at one end and a cup-shaped indentation at the other end. Half-Dog point: A set screw with a protruding tip with a flat surface at the end opposite that of the hexagonal drive. Oval point: A set screw with an oval-shaped point at the end opposite that of the hexagonal drive.