Seco Turning Insert, TNMG Insert, 220404 Insert, Triangular, 5.25 mm Maximum Depth of Cut, 12.7 mm Inscribed Circle, 4.76 mm Thickness, 22 mm Length, 22 Seat, Negative Rake, MR4 Chipbreaker, 0.4 mm Corner Radius, 5.15 mm Hole Dia, Manufacturer's Grade: 883, ANSI Code: TNMG431-MR4 883, ISO Code: TNMG220404-MR4 883, 60 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, Uncoated, Material Grade: S, For Use On: Super Alloys and Titanium