Barwalt Diamond Sure Diamond Core Drill Bit 1-1/2"

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 nay standard variable speed drill. They are electroplated, bonded 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. WET USE ONLY!