LionShark Woodworking Hole Saw Square Drill Bits

The LionShark Woodworking Hole Saw Square Drill Bit Set is built from high-speed steel and configured for cutting clean, consistent mortises in wood. Each bit combines a hollow square chisel with an internal auger, allowing material to be removed from the center while the outer edges define the corners of the cut. The spiral auger pulls chips upward during operation, helping maintain a clear cutting path and reducing buildup inside the mortise. The result is a defined square opening suited for joinery in furniture, cabinetry, and frame construction. The set includes four sizes, 1/4", 5/16", 3/8", and 1/2", providing coverage for a range of mortise dimensions. Designed for use with mortising machines, the bits can also be adapted for drill press setups with compatible attachments. Their compact form stores easily with other shop tools, making them practical for both dedicated joinery work and general woodworking setups where clean, repeatable cuts are required.