Square Hole Drill Bit Set, 6Pcs Woodworking Mortising Chisel Hole Saw Drill Bit Set 6.4mm / 8mm / 9.5mm / 12.7mm / 14mm / 16mm

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  • Twelve Size 7 30"(6.0mm) 1 4"(6.4mm) 5 16"(8.0mm) 3 8"(9.5mm) 2 5"(10.0mm) 7 16"(11.0mm) 1 2"(12.7mm) 9 16"(14.0mm) 5 8"(16.0mm) 5 7"(18.0mm) 3 4"(19.0mm) 4 5"(20.0mm), 12 kinds of sizes can meet your different ordinary need.
  • Quality Material it is high speed steel body esigned, durable and excellent for use.
  • Practical Design square hole drill bit sets are ideal for drilling square holes in wood using a mortise machine or mortise attachment. They fit all mortising machines and drill press attachments. Square hole drills are mainly used in woodworking.
  • Function it can reduce the labor intensity of construction workers, speed up construction, and reduce construction costs in the construction, installation, decoration, and decoration industries.

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