Description:

Cemented Carbide Tip: 12mm 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 provides fast material removal. Suitable for drilling in tough metal, including 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. Round Shank Design: Round shank twist drill bit can work with a electric drill (Excluding in the item)..