Pramet Turning Insert, TCGT Insert, 32.51 Insert, Triangular, 5.3 mm Maximum Depth of Cut, 9.525 mm Inscribed Circle, 5/32 in Thickness, 16.5 mm Length, 16 Seat, Positive Rake, AL Chipbreaker, 0.4 mm Corner Radius, 4.4 mm Hole Dia, Manufacturers Grade: HF7, ANSI Code: TCGT 32.51F-AL HF7, ISO Code: TCGT 16T304F-AL HF7, 60 deg Included Angle, 7 deg Relief Angle, Carbide, Diamond, Material Grade: H, K, M, N, S, For Use On: Hardened Steel, Cast Iron, Stainless Steel, Aluminum and Titanium/Super Alloys