Hollow Square Hole Saw Mortiser Chisel Drill Bit Woodworking Tool

Hollow Square Hole Saw Mortiser Chisel Drill Bit Woodworking Tool   Feature Square hole drill can not be used an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. Mortise and tenon square hole drilled by the terrible outer sleeve in the middle of the combination. Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, , decoration inries. Specifications: Material: high-speed steel, Hardness: 56HRC Clamping shank diameter: 19mm (Round) Model: 6.4/10mm diameter slotted (front square) Use matters: Square hole drill is mainly used for woodworking . Various existing bits, can process a circular hole, square hole can not be processed, to machining square hole, must drill the hole or cutting machine processed crude hole, then chisel made from artificial hand. The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact transmitted to the outer body, the material crushing round hole and wall, a one-time processing of a square hole, and the can be broken slag discharged from the tube. 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. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Package Contents: 1 x Woodworking Square Hole Drill

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Material: high-speed steel,