KYOCERA Turning Insert, 2-Sided, CNGG Insert, 432 Insert, Diamond, 1/2 in Inscribed Circle, 3/16 in Thickness, 13 Seat, Negative Rake, TK Chipbreaker, 0.031 in Corner Radius, 0.203 in Hole Dia, Manufacturer's Grade: PR1425, ANSI Code: CNGG432FPTK PR1425, ISO Code: CNGG130408FPTK PR1425, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, TiAlN/MEGACOAT NANO, Material Grade: P, For Use On: Steel