Pramet Turning Insert, SNMG Insert, 643 Insert, Squared, 8 mm Maximum Depth of Cut, 3/4 in Inscribed Circle, 1/4 in Thickness, 3/4 in Width, 3/4 in Length, 19 Seat, Negative Rake, NMR Chipbreaker, 1.2 mm Corner Radius, 0.313 in Hole Dia, Manufacturers Grade: T7335, ANSI Code: SNMG 643-NMR:T7335, ISO Code: SNMG 190612E-NMR:T7335, 90 deg Included Angle, 0 deg Relief Angle, Carbide, Material Grade: M, P, S, For Use On: Stainless Steel, Steel and Titanium/Super Alloys