Diablo's new range of high-performance Demo DemonĀ® carbide teeth rough-in hole saws deliver 50-times longer cutting life, faster cutting performance and maximum productivity in nail-embedded wood and clean wood. An optimized carbide tooth geometry provides up to five-times faster holes than other hole saws. Unlike anything on the market, Diablo's hole saw system and universal mandrel design simplify the attachment process for fast and efficient hole saw mounting. These radical new hole saws provide ultimate cutting length to bore deeper holes in a single pass, tool-free plug. Diablo's hole saws are compatible with Diablo's SnapLock PLUS mandrel resulting in quick, easy, and effortless cup changes.