Square Hole Drill Bits, 4 Pcs Mortise Chisel Drill Bit Tools, 1/4in, 5/16in, 3/8in, 1/2in, Woodworking Hole Saw Mortising Chisel Drill Bits, High Carbon Steel

4 Sizes Included - You will receive 4pcs mortise chisel drill bits of 4 sizes, including 1/4in, 5/16in, 3/8in, and 1/2in, which will fulfill your different needs for woodworking DIY projects. The square bit design allows you to easily drill square or rectangle holes in workpieces. Improve Work Efficiency - The sharp and hard square drill bits make quick and clean cuts on the wood. The U-groove design on the drill sleeve enables fast discharge of wood chips and improves drilling efficiency. Quality High Carbon Steel - These woodworking square drill bits are made of quality high carbon steel, which is robust with high hardness, anti-rust, and anti-break. They can easily drill hardwood blocks and sheets! Widely Used - The mortise chisel drill bits are universally applied to channel wood, particle board, MDF, MDF, pine wood, basswood, and more. Suitable for various woodworking DIY projects, such as desks, tables, chairs, cabinets, etc. Warm Tip - Please note: these square hole bits need to be used with mortise machines, not suitable for handheld drills. Reach out to us if you have any questions. Were always there for you.