Cutting Tool--Roughing End Mill --4Flutes 1,Roughing End Mill 2, High reputation 3,Competitive price 4,Passing ISO/TS169 1, Suitable for Copper, Cast iron, Carbon steel, Mould steel, Stainless steel, Titanium alloy, Tool steel, and Heat-treated steel processing.2,Main feature: Grain size carbon tungsten, high toughness, ALTIN coating, high wear-resistance, special use for high speed cutting of ...