General description Faithfull Bi-Metal Cobalt Holesaw 67mm is designed for heavy-duty drilling and cutting. These high-speed steel (HSS) hole saws feature precision set teeth for aggressive material penetration and efficient swarf clearance, ensuring a smooth and fast cutting action. They are suitable for a wide range of materials including wood, plywood, plastics, plaster, and non-ferrous metals, making them ideal for various DIY and home improvement projects. Technical specifications Diameter: 67 mm Cutting depth: 38-40 mm Material: Bi-Metal with 8% cobalt content for increased heat and wear resistance Compatibility and accessories Compatible with most variable speed power drills Includes centering drill bits for precise hole positioning Installation Insert the hole saw into the drill's chuck and tighten securely Use the centering drill bit to mark the drilling point and start drilling at low speed Usage Use in drilling applications on materials such as wood, plywood, plastics,