HRC65 Carbide Long Flute Mould Base Endmill CNC Inverted Cone Milling Cutter. AlTiN coating:Suitable for steel, alloy steel, carbon steel, stainless steel, tool steel, cast iron plastic molds and other materials up to HRC60. It is suitable for high-precision cutting scenarios such as plane machining, side grooving and mold finishing of metals (such as steel and alloys) and plastic materials. It is specially designed for CNC machine tools, machining centers and other equipment, and can complete complex operations such as deep cavity milling and step surface machining. Mold manufacturing:Such as cavity finishing of injection molds and die-casting molds. Machining of mechanical parts:Including slots and edge trimming of precision gears, connectors, and fixtures. Mass production:Suitable for industrial continuous processing needs of auto parts, aerospace components, etc.