1 Milling Cutter HRC60 Carbide End Mill 1-12mm 4 Flute End Milling Bit for CNC Machine Metal Milling Tool CNC Router Bit Features: 1.Tungsten steel alloy mllingcutterSharp wear resistance. 2. The blade is made of high quality AITiSiN Nano structure coating. Heat treatment materials below50 degrees are directly processed into high speed rough machining, Processing, reduce the number of tool changing, and advance the saving rate of machine tool's moving rate.The process has high oxidation resistance and high service life. 3. It has a large capacity of chip removal, making the cutting more fluent and non stick knife. Specification: Type: End Mill Material:Tungsten Carbide Coating:Nano Blue Coating Flute: 4 HRC: 60 Note: Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package Including: 1pc Carbide End Mill 1