Iscar Milling Insert, Series: DR-TWIST INDEXABLE DRILL LINE, SOMT Insert, 09T306 Insert, Squared, 9 mm Inscribed Circle, 3.81 mm Thickness, 9 mm Width, 9 mm Length, DT Chipbreaker, 0.6 mm Corner Radius, Manufacturer's Grade: IC908, ISO Code: SOMT 09T306-DT IC908, Carbide, PVD-TiAlN Coated, Material Grade: C1, C2, C6, C7, H, K, M, P, S, Steel, Stainless Steel Ferritic and Martensitic, Stainless Steel Austenitic and Duplex, Cast Iron, High Temperature Alloys, Hard Steel and Hardened Cast Iron Material Application