Pramet Turning Insert, DNMG Insert, 442 Insert, Diamond, 4 mm Maximum Depth of Cut, 12.7 mm Inscribed Circle, 5.16 mm Thickness, 15.5 mm Length, 15 Seat, Negative Rake, SM Chipbreaker, 0.8 mm Corner Radius, 5.16 mm Hole Dia, Manufacturers Grade: T6310, ANSI Code: DNMG 442-SM T6310, ISO Code: DNMG 150608E-SM T6310, 55 deg Included Angle, 0 deg Relief Angle, Carbide, AlTiSiN, Material Grade: H, K, M, N, P, S, For Use On: Aluminum, Cast Iron, Hardened Steel, Stainless Steel, Steel and Titanium/Super Alloys