Product DescriptionProduces overlapping and interrupted holes easily. Cuts 3 times faster than bi-metal hole saws. Built-in ejector spring and pilot drill. 3-flatted shank for keyless chucks. Ultra Hard Tungsten Carbide Teeth. Additional Information Brand Norseman Cutting Depth 1" Material Carbide Application Aluminum, Cast Iron, Stainless Steel, Steel Manufacturer Part Number 64231
