Drillpro 6mm-16mm Woodworking Square Hole Twist Drill Bit Square Auger Drill Mortising Chisel

Description Drillpro Woodworking Square Hole Twist Drill Bit Square Auger Drill Mortising ChiselSpecification Material HSSSize 6mm 10mm 12mm 12 5mm 14mm 15mm6 4mm 1 4 8mm 5 16 9 5mm 3 8 11mm 7 16 12 7mm 1 2 16mm 5 8 Quantity 1pcs Features This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment 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 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 renovation decoration industries Use matters Square hole drill is mainly used for woodworking aspects 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 force transmitted to the outer body the materialcrushing 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 Package Included 1 x Mortising ChiselMore Details