... 2 flutes ball nose End Mill Material: tungsten carbide, HSS, HSS-CO Different types and sizes ... Cutter, Turning Tool, Countersink, Round Rod, Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc.2) Super ... high wear resistant and impact-resistant application.5) Work piece material: cast iron, carbon steel, alloy steel, hardened ... questions are highly welcome! 2 flutes tungsten carbide ball nose End Mill