Milwaukee Tool Corp.’s Diamond Plus hole saw provides a single solution for drilling anchor and clearance holes in abrasive materials, including tile, stone, glass, brick, block and cement backer board. The one-piece hole saws range in diameter from 3/16–1 in., and threaded hole saws range in diameter from 7/8-–2½ in. Angle grinder adapters and retractable pilot bits have been included in the line for added compatibility with common tools and to increase productivity.