Dremel 663DR - 1/4 inch Glass / Tile Drill Bit

Dremel Glass and Tile Core Drill

• Dremel 663DR
• 1/4 inch diamond coated cutting head
• 1/8 inch shank
• Allows you to drill holes in glass with your Dremel rotary tool
• Core-style bit features superior long life
• 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
• For best results, insert the accessory bit all the way into the tool and then back it out slightly before tightening, making bit removal easier after use
• Sold in retail packaging