☆Material: Tungsten Carbide TiAlN Coated,3 times Durable than Carbide
☆6pcs 1mm 2mm 3mm 6mm 8mm diameter 4 Flute End Mill Cutter CNC Bits/set,Easier roughing and finishing processing
☆U-shaped bottomgroove design, large front angle effectively reduces cutting resistance, sharp and durable, convenient for chip removal, further improve machining efficiency
☆End mill bits are suitable for side milling, end milling, finish machining
☆Apply to Hardness of metal ,carbon steel, alloy steel, die steel, tool steel, cast iron, titanium, aluminum, etc