Diamond Sure 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.
Diamond Sure bits can be used in any standard variable speed drill. They are electroplate 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. Stocked #70479