'Thread Mill, Straight, Internal, 7/16, Thread Size 7/16 In.-24, Pitch 24 TPI, End Mill Material Carbide, Flutes 4, Length of Cut 0.8090 In., Overall Length 3-1/2 In., TiAlN, Shank Dia. 3/8 In., Thread Type UN, Nomenclature TM, For Use With -, Application All Types of Metals, Composites and Tough-to-Machine Materials'