Seco Turning Insert, CCMT Insert, 09T308 Insert, Diamond, 3.5 mm Maximum Depth of Cut, 9.5 mm Inscribed Circle, 3.97 mm Thickness, 09 Seat, Positive Rake, W-F1 Chipbreaker, 0.8 mm Corner Radius, 4.5 mm Hole Dia, Manufacturer's Grade: TP2501, ANSI Code: CCMT32.52W-F1 TP2501, ISO Code: CCMT09T308W-F1 TP2501, 80 deg Included Angle, 7 deg Relief Angle, Neutral Cutting, Carbide, CVD-TiCN+Al2O3 Coated, Material Grade: P, For Use On: Steel