The tungsten carbide tipped multi-purpose (MPH) holesaws from Starrett are suitable for most non-metallic construction materials, and are ideal for tradespeople. Suitable for use in mains and battery powered tools. Features and Benefits Cuts through non-metallic materials up to five times faster than a bi-metal hole saw Provides rapid cutting results Deep gullet for easy core removal Provides smooth stock removal with minimum heat build-up Typical Applications Wood MDF Plastics Plasterboard Ceramic wall tiles