sourcing map Square Hole Drill Bit 22mm (7/8") High Speed Steel Hollow Mortiser Auger for Woodworking Carpentry Mortise Tenon Machine

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Product description

  • Size - The square hole drill bit size is 22mm (7 8"), Cutting Depth 75mm 2.95", Total Length 205mm 8.07"
  • Material - Made of High-speed steel, through heat processing, with high hardness (48-50 HRC) drill bits, and sharp-edged square chisel, durable and lasts long.
  • Feature - With long drill core and square chisel, easy to lock the hole on the wood, can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs.
  • Note - If bench drills or electric drills are used, they must be strictly executed according to the operation method. Otherwise they can only be processed into round holes and cannot be processed into square holes.

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