Size:1"(25.4mm) Premium woodworking square hole bit Features: 1.The square chisel mortiser combines the cutting of a four-sided chisel with the action of a drill bit in the center, The bit clears out most of the material to be removed, and the chisel ensures the edges are straight and clean. 2.Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries. 3.Use: square hole drill / chisel angle is mainly used for woodworking, Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use.  4. The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact force transmitted to the outer body, the material crushing round hole and square head wall, a one-time processing of a square hole, and the dust can be broken slag discharged from the tube. Hollow Mortising Chisel Bits are for making square mortises in one stroke and oblong mortises with each succeeding stroke. 5. Using different specifications of the square hole drill, matching the appropriate power of the square hole machine, you can play a square hole to meet the requirements. Package Include: 1 x Woodworking Square Hole Drill Set If you need other specifications, please search:B078K3GLQZ
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