KYOCERA Grooving Insert, General Purpose, Series: GD Series, GDM Insert, 2520 Insert, 2.5 mm Cutting Width, 4.3 mm Maximum Depth of Cut, PM Chipbreaker, 0.0079 in Corner Radius, 0.187 in Thickness, 20 mm Length, Manufacturer's Grade: PR1535, ANSI Code: GDM2520N020PM PR1535, Neutral Cutting Direction, Carbide, PVD-MEGACOAT NANO, Material Grade: M, S