• High performance Diamond Grit Hole Saws are perfect for drilling holes in non-metallics and offer the ideal cutting solution for the toughest situations. Featuring a synthetic diamond grit cutting edge permanently bonded to a tough steel body, this provides the necessary clearance for cutting at high speeds. • Rapid cutting solution for non-metallics. • Smooth surface finish, ideal when cutting glass and ceramics. • Supported by a comprehensive range of arbors with carbide tipped pilot drills. • The ultimate hole saw for hard-to-cut materials. • Small diameter hole saws are perfect for kitchen and bathroom installations. • Cutting depth 38mm (1.1/2″). • Coolant should always be used with these saws.