tungsten steel mill cutter high quality and good price superior quality tungsten steel mill cutter(1) Suitable for copper, Cast Iron, Carbon steel, Mould steel, Stainless steel, Titanium Alloy, Tool steel, and Heat-treated steel processing.(2) Main features: Grain size carbon tungsten, high toughness, TiAlN coating, high wear-resistance, special use for high speed cutting of CNC milling machine. ...