... quality and good price superior quality tungsten steel mill cutter(1) Suitable for copper, Cast Iron, Carbon steel, Mould steel, Stainless steel ... , and Heat-treated steel processing.(2) Main features: Grain size carbon tungsten, high toughness, TiAlN coating, high wear-resistance, special use for ... coefficient, and improve the lathe efficiency, save more production time. Tungsten steel mill cutter