Sandvik Coromant Thread Milling Insert, Series: CoroMill 327, 327 Insert, 9 Insert, Triangular, Internal, WH, 11, 9 mm Inscribed Circle, 5.85 mm Length, ANSI Code: 327R09-18 11WH-TH 1025, ISO Code: 327R09-18 11WH-TH 1025, TH Chipbreaker, Positive Rake, 55 deg Included Angle, Manufacturers Grade: 1025, Right Hand Cutting, Carbide, PVD-TiAlN+TiN Coated, Material Grade: K, M, N, P, S