Diablos new high performance hole saws deliver faster cutting performance and increased productivity. Unlike everything on the market, Diablo hole saw system and mandrel design simplify the fastening process for fast and efficient hole saw assembly. These radical new hole saws provide the ultimate cutting length to drill deeper holes in a single passage, tool-free dowel ejection and variable tooth design for faster cuts. Drills wood, plastic, aluminium, metal and stainless steel.