4PCS HSS Twist Drill Bits Woodworking Drill Tools Kit Set Square Auger Mortising Chisel Drill Set Square Hole Extended SawTP-021 4PCS HSS Twist Drill Bits Woodworking Drill Tools Kit Set Square Auger Mortising Chisel Drill Set Square Hole Extended SawTP-021 4PCS HSS Twist Drill Bits Woodworking Drill Tools Kit Set Square Auger Mortising Chisel Drill Set Square Hole Extended SawTP-021 4PCS HSS Twist Drill Bits Woodworking Drill Tools Kit Set Square Auger Mortising Chisel Drill Set Square Hole Extended SawTP-021 4PCS HSS Twist Drill Bits Woodworking Drill Tools Kit Set Square Auger Mortising Chisel Drill Set Square Hole Extended SawTP-021 4PCS HSS Twist Drill Bits Woodworking Drill Tools Kit Set Square Auger Mortising Chisel Drill Set Square Hole Extended SawTP-021

Square Hole Mortiser Drill Bit

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$16.00 $31.00
  • 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 the labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
  • Arc design, exquisite sharpens durable.
  • Use matters: Square hole drill is mainly used for woodworking aspects.
  • Product size: 1/4inch (6.4mm), 5/16inch (8mm), 3/8inch (9.5mm), 1/2inch (12.7mm).
  • Weight: 1/4inch (6.4mm) - 122g,  5/16inch(8mm) - 138g, 3/8inch (9.5mm) - 153g, 1/2inch (12.7mm) - 217g.
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Hole Diameter