Dremel Glass and Tile Core Drill

• Dremel 663DR
• 1/4 inch shank
• Allows you to drill holes in glass with your Dremel rotary tool
• Diamond-coated core-style bit features superior long life and is ideal for drilling 
  in both flat and contoured surfaces
• Diamond grit a full 360-degrees around the circumference of the bit allows it to 
  be used in a rasping action to enlarge a hole if needed
• Holes on the side of the bit allow the removal of glass dust from inside the bit
• Use with cutting oil (not included) to increase the speed of cut and prevent damage to the bit from overheating
• For use on glass, ceramic wall tile, glass block, glass bottles, and jewelry