1.0mm-5.0mm Titanium Coated HSS End Milling Cutter Engraving Edge Cutter CNC Router Bits End Mill for Key Cutting Machine

end mill sharpening This set of end milling cutters are made of ultra-thin titanium coated high-speed steel to ensure good grinding, cutting performance and high working efficiency. They have high strength, hardness and wear resistance, and the cutting edge is very sharp. These tools are of good quality and are very suitable for processing into a variety of materials, such as plastics, PCB and metals.