KYOCERA Grooving Insert, General Purpose, Series: GD Series, GDM Insert, 3020 Insert, 3 mm Cutting Width, 4.3 mm Maximum Depth of Cut, 6 deg Lead Angle, PM Chipbreaker, 0.0098 in Corner Radius, 0.2047 in Thickness, 20 mm Length, Manufacturer's Grade: PR1225, ANSI Code: GDM3020R025PM6D PR1225, Right Hand Cutting Direction, Carbide, PVD-MEGACOAT, Material Grade: M, P