1 Flute DLC Coated End Mill For Aluminium Also for use on Brass, Copper, Gold, Magnesium Alloy. Made from wear resistant Uncoated Carbide for increased tool life, can be used on Plastic Acrylic PVC and other Non-ferrous Metals. DLC Diamond Like Carbon Coating can provide up to 100% increase in tool life, edge honed flutes with polished surface decrease cutting forces and are excellent in finishing operations. Can be used for dry cutting.