Sandvik Coromant Ball Nose Insert, Single Sided, Series: CoroMill 216, RA216 Insert, 2504 Insert, Round, 3/4 in Inscribed Circle, 0.187 in Thickness, 3/4 in Width, M-M Chipbreaker, 1/2 in Corner Radius, Positive Rake, 9 deg Lead Angle, 0.185 in Hole Dia, Manufacturers Grade: 1010, ANSI Code: RA216-25 04 M-M 1010, ISO Code: RA216-25 04 M-M 1010, Right Hand, Carbide, TiAlN2, Material Grade: H, Cast Iron and Hardened Steel Material Application