Seco, 02827494, Milling Cutter, Inset thread, 1/2 in Thread, Internal Thread, 0.37 in Diameter Cutting, 1.039 in Length of Cut, 3.110 in Overall Length, 3 Flutes, Cylindrical Shank, 0.472 in Shank Diameter, 1.772 in Shank Length, Solid Carbide