Set of 6 Wood Drill Bits, Square Hole Hollow Steel Chisels, Set for Square Hole Saw Wood Drill Bits Square Hole Drill Bit Mortising Chisel, 1/4 5/16 3/8 1/2 9/16 5/8 Pounce

General Description This set of 6 square hole drill bits, also known as hollow mortise chisels, is made of special heat-treated steel, offering a high hardness of HRC 48-50. Designed for long-lasting use, these drill bits have an elongated core and high concentricity. They are ideal for mortising, chiseling, and woodworking, and are suitable for many construction, installation, and renovation projects. Technical Specifications Material: Heat-treated special steel Hardness: HRC 48-50 Number of pieces: 6 Drill bit diameters: 1/4 inch (6.4 mm), 5/16 inch (8 mm), 3/8 inch (9.5 mm), 1/2 inch (12.7 mm), 9/16 inch (14 mm), 5/8 inch (16 mm) Total weight: Approx. 1215 g Compatibility and accessories These drill bits are compatible with electric drills and can be used with mortising and tenoning machines. They are an excellent choice for woodworking and interior decorating projects. Installation: For optimal use, ensure the drill bit is securely fastened in the electric drill. Use a hammer to help drive the drill bit into the desired material. Uses: These drill bits are primarily used for: Creating square holes in wood; Making mortises and tenons; Performing various woodworking tasks; Carrying out renovations and installations. Other information: Designed for professional use, this drill bit set is an essential tool for any DIY enthusiast or building professional.