Description High-quality, heavy-duty bi-metal holesaw designed for cutting wood, steel, brass, bronze, cast iron, aluminum, and plastic. Manufactured from durable steel with a hardened M3 cutting edge for fast, clean, and efficient cutting in tough materials. Maximum cutting depth of 35mm (1.3/8 inches). Technical Specifications Diameter: 73mm Material: Bi-metal steel with M3 cutting edge Maximum cutting depth: 35mm Compatibility and Accessories Compatible with standard 9.5mm (3/8 inch) arbors Requires a compatible holesaw arbor for assembly Suitable for use with power drills Installation Attach the holesaw to a compatible arbor and secure it properly. Insert the assembly into a power drill. Usage Use for drilling precise, round holes in metals, plastics, and wood. For metal cutting, it is recommended to use a lubricant to extend tool life, such as metal cutting lubricant. Ensure proper speed and pressure during operation for best results. Other Information Designed for heavy-duty