Iscar Turning Insert, 1-Sided, Series: ISOTURN, DCMT Insert, 3-1 Insert, Rhombic, 2.5 mm Maximum Depth of Cut, 9.52 mm Inscribed Circle, 3.97 mm Thickness, 11 Seat, Positive Rake, SM Chipbreaker, 0.4 mm Corner Radius, 4.4 mm Hole Dia, Manufacturer's Grade: IC907, ANSI Code: DCMT 3-1-SM IC907, ISO Code: DCMT 11T304-SM IC907, 55 deg Included Angle, 7 deg Relief Angle, Carbide, PVD-TiAlN+TiN Coated, Material Grade: H, K, M, N, P, S, For Use On: Stainless Steel, Steel, Cast Iron, Hardened Steel, High Temperature Alloys and Aluminum