Sandvik Coromant Thread Milling Insert, Series: CoroMill 327, 327 Insert, 09 Insert, Triangular, Internal, MM, 3 mm Pitch, 9 mm Inscribed Circle, 1/2 in Thickness, 5.85 mm Length, ANSI Code: 327R09-18 300MM-THM 1025, ISO Code: 327R09-18 300MM-THM 1025, THM Chipbreaker, Positive Rake, 60 deg Included Angle, Manufacturers Grade: 1025, Right Hand Cutting, Carbide, TiAlN/TiN, Material Grade: K, M, N, P, S