Choose the Milwaukee® Diamond Plus™ Hole Saw for up to 10X longer life when cutting tile, stone and glass. Diamond Plus™ Hole Saws deliver best-in-class performance, with higher grade diamonds for maximum heat and fracture resistance.  An improved braze provides superior diamond retention when cutting hard, abrasive materials. The Diamond Plus™ Threaded Hole Saw features large slot geometry for easy plug removal. Designed as the single cutting solution for all tile, stone, and glass applications, Diamond Plus™ offers the lowest cost-per-hole on the market. Use it with standard hole saw arbors or with the Angle Grinder Adapter (49-56-7105), or Retractable Starter Bit with Large Arbor (49-56-7135) for even greater productivity and ease of use.