Product Review

DiamondSure Drill Bits * DiamondSure bonded diamond core drill bits cut through materials where other bits fail. They are designed to drill in the hardest surfaces or the most delicate and fragile. * DiamondSure bits can be used in any standard variable speed drill. They are electroplated, blonded and designed for drilling to depths of about 1/2" in ceramic tile, porcelain tile, glass block, slate, marble, quartz, granite, limestone and more! Not designed for use on concrete, masonry, metal or for use with impact hammer drills.