Sandvik Coromant Threading Insert, Series: CoroThread 266, 266RL Insert, 22 Insert, Triangular, Internal, 6 mm Pitch, 1/2 in Inscribed Circle, ANSI Code: 266RL-220000-600-BG H13A, ISO Code: 266RL-220000-600-BG H13A, BG Chipbreaker, Neutral Rake, 60 deg Included Angle, Manufacturers Grade: H13A, Right Hand Cutting, Carbide, Uncoated, Material Grade: K, M, N, P, S