Product Type: Hole Saw Blade Material: Bi-Metal Hole Saw Diameter: 4 in. Shank Diameter: 1/2 in. Shank Type: Round Arbor Included: No Application: Aluminum, Brass, Bronze, Composition, Copper, Plastic, Steel, Stainless Steel and Wood Cutting Depth: 1.75 in. Minimum Chuck Size Required: 3/4 in. Double tooth design strengthens each tooth for longer life and improved durability Sharper tooth geometry cuts material faster for faster drilling Thick, hardened backing plates prevent thread stripping Deep cut style holes saws will cut 2x material in one pass Increased high speed steel height improves hole saw durability
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