Mitsubishi Materials USA Corp Turning Insert, CNMG Insert, 432 Insert, Rhombic, 1/2 in Inscribed Circle, 0.187 in Thickness, RS Chipbreaker, 0.031 in Corner Radius, 5.16 mm Hole Dia, Manufacturer's Grade: MP9015, ANSI Code: CNMG432RS MP9015, ISO Code: CNMG120408-RS MP9015, 80 deg Included Angle, 0 deg Relief Angle, Neutral Cutting, Carbide, PVD Coated, For Use On: Heat-Resistant Alloy and Titanium Alloy