3/4″-14 X 17/32″ Holo-Krome Pipe Plugs Flush Seat Hex 7/8″ Taper Brass
Threading: 7/8″ Taper. An internal hex socket drive is also known as an Allen drive. Drive Style: Hex Socket Drive. Threaded pipe plugs are designed to close the ends of internally threaded pipes and fittings.