Sandvik Coromant Milling Insert, Series: CoroMill 200, RCKT Insert, 1906 Insert, Round, 3/4 in Inscribed Circle, 1/4 in Thickness, KH Chipbreaker, 3/8 in Corner Radius, Positive Rake, 7 deg Lead Angle, 0.255 in Hole Dia, Manufacturers Grade: 3040, ANSI Code: RCKT 19 06 00-KH 3040, ISO Code: RCKT 19 06 00-KH 3040, Neutral Hand, Carbide, CVD-TiCN+Al2O3 Coated, Material Grade: H, K, Hardened Steel and Cast Iron Material Application