Seco Turning Insert, CNMG Insert, 160616 Insert, Diamond Shape, 8 mm Maximum Depth of Cut, 15.88 mm Inscribed Circle, 6.35 mm Thickness, 16 Seat, Negative/Positive Rake, M5 Chipbreaker, 1.6 mm Corner Radius, 6.35 mm Diameter Hole, Manufacturers Grade: TP40, ANSI Code: CNMG544-M5 TP40, ISO Code: CNMG160616-M5 TP40, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting Direction, Carbide, TiC/TiCN/TiN, Material Grade: M/P, For Use On: Stainless Steel and Steel