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 one-piece hole saw has a 1/4 in quick change hex shank and features a large slug ejection slot. Designed as the single cutting solution for all tile, stone and glass applications, Diamond Plus offers the lowest cost-per-hole on the market.