Now drill holes in glass with your Dremel rotary tool. This diamond impregnated core style bit features superior long life and is ideal for drilling in both flat and contoured surfaces. Diamond grit a full 360 degree 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. Each bit is aged with Dremel cutting oil 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, jewelry.

Product Features:

• Ideal for drilling holes in flat and contoured glass
• Diamond-impregnated cutting bit for long life
• Diamond grit around the circumference of the bit allows it to rasp a larger hole if needed
• Holes on the side of the bit allow the removal of the material
• 4 in. long
• 1/4 in. diameter
• This diamond-impregnated 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
• Ideal for decorative projects including glass blocks or bottles.