uxcell Cemented Carbide Twist Drill Bits 8.5mm Metal Drill Cutter for Stainless Steel Copper Aluminum Zinc Alloy Iron 6 Pcs
- Cemented Carbide Tip: 8.5mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others.
- Features: Milled U-flutes with deep-cut spiral delivers fast material removal. Suitable for drilling in tough metal, including heavy-duty abrasive alloy and hardened steel.
- Use For: Drilling clean, accurate holes in sheet metal, steel, copper, brass, aluminum, plastic, wood, stainless steel and cast iron.
- Use Note: Please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life.
- Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item)..