Carbide Flat End Mill, ALTIN coating 1,High quality 2,Up to HRC 65 Degree 3,Favorable price 4, Standard or customized Carbide Flat End Mill, ALTIN coating Fit for Copper, Cast iron, Carbon steel, Mould steel, Stainless steel, Titanium alloy, Tool steel, and Heat-treated steel. Main feature: Grain size carbide tungsten, high toughness, ALTIN coating, high wear-resistance, special use for high ...