Seco Indexable Milling Insert, ONEF Insert, 090520 Insert, Octagon, 22 mm Inscribed Circle, 5.56 mm Thickness, 22 mm Length, M14 Chipbreaker, Manufacturer's Grade: MK1500, ANSI Code: ONEF090520ZZTN-M14 MK1500, Neutral Hand, Carbide, CVD Coated, Cast Iron, Non-Ferrous Metals, Plastics and Tough-to-Machine Materials Material Application