Diamond Burrs Fine Grit (400#)
These fine grit (400#) diamond coated burrs can be used on many materials such as glass, stone, hard wood, ceramic, shell and porcelain. To get the best life and usage out of your burrs use with a little water before or during use and be careful to not exceed a drill speed of 12,000rpm. varying sizes and shapes are available. All mounted on a 2.35mm (3/32 inch) shank.