BQKKWIN Square Hole Drill Bit, 1Pcs Woodworking Mortiser Square Drill Bits, Spiral Drill bits Kits Mortise Press, Wood Drill Set Space Hole Drill (9/16\
- 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 1pc 9/16Inch(14mm) 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..