Description High-precision bi-metal holesaw designed for cutting holes from 14 mm to 152 mm in diameter in various materials up to 38 mm thick. Suitable for use with portable electric or pneumatic tools, as well as drilling, boring, milling, and other machine tools. Features variable pitch (4-6 TPI) blades with high-speed steel cutting edges for increased hardness, welded seams for accuracy, and heat-treated bodies for durability. Specifications Diameter: 146 mm Material: Cobalt steel Type: Single Compatibility and Accessories Compatible with various arbors (sold separately), suitable for different shank sizes: 3/8 inch (8.5 mm), 7/16 inch (11.1 mm), 1/2 inch (11.1 mm), and 5/8 inch (15.4 mm). Installation Attach the appropriate arbor to match your drill or machine tool. Secure the holesaw onto the arbor ensuring it is properly fitted. Usage Use in materials such as wood, metal, or plastic, up to 38 mm thick. Operate at suitable speeds for the material and size of the holesaw. Ensure