Tungsten Carbide Tipped Multi Purpose (MPH) Hole Saws feature a unique tooth set for ultra-aggressive, high performance cutting of non-metallics. Cutting speeds will be up to five times faster than a bi-metal hole saw cutting the same material, offering users with rapid, heat-free, stock removal of wood, MDF, plastics, and ceramic tiles. For tradespeople, our kits provide the perfect solution to all your cutting needs.