BFL 2 Flute Solid Carbide Ball Nose End Mill, Coating. HRC: HRC45 HRC55 HRC58 HRC60 HRC65. Coated: AlTiN, TiAlN, TiSiN, TiN, DLC,Nano, Diamond. 1.Widely used in the processing of high-hardness materials, such as copper, cast iron, carbon steel, and mould steel etc. 2.Recommend to select the size with minimum overhang required as long overhang ...