Drills precise holes with little pressure -- Using different specifications of the square hole drill, matching the appropriate power of the square hole machine. package include 1 pc 9/16 Inch(14 mm) square mortise chisel & Bit.
Made of high-speed steel, hardness 56HRC, lengthened core, sharp cutting edge, continuous blade, quick cutting, high efficiency, durale and practical, heat treatment, long life for use.
Great for drilling square holes in wood with a mortising machine or a mortising attachment square hole drill is mainly used for woodworking aspects.
High performance flute design geometry for superior chip extraction reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
Use for the opening square hole, suitable for construction, installation, renovation, decoration industry, etc.