Features:Multi-layer composite nano-coating for higher wear resistance and durability.Good milling and cutting performance, ensure high working efficiency.High strength, resistant to bending and breakage, long tool life.Works on CNC machining center, machine tools, engraving machines, etc.Suitable for processing stainless steel, alloy steel, cast iron, aluminum, copper and other high hardness material.Specification:Item Type: End MillMaterial: Tungsten steel, Multi-layer composite nano-coatingBlade Diameter: 4mmBlade Length: 3mmShank Diameter: 4mmTotal Length: 50mmSpiral Angle: 35Grain Size: 0.2umCutting Hardness: Workpiece below HRC55Quantity: 1pcs, 5pcs (Optional) Package List:1 x End MillOR5 x End MillPackage List1Multi-layer composite nano-coating for higher wear resistance and durability. 2Good milling and cutting performance, ensure high working efficiency. 3High strength, resistant to bending and breakage, long tool life. 4Works on CNC machining center, machine tools, engraving machines, etc. 5Suitable for processing stainless steel, alloy steel, cast iron, aluminum, copper and other high hardness material.