Square Hole Drill Bit Sets, Woodworking HSS Wood Mortising Chisel Countersink Bits Hole Mortise Drill Bit Set with Adapter, 6.4mm 8mm 9.5mm 10mm 11mm 12.7mm 14mm 16mm (7PCS)

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Model: wy24-3.29-4

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Product description

  • Drills precise holes with little pressure 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 1 4 Inch (6.4mm), 5 16 Inch (8mm), 3 8 Inch (9.5mm), 2 5 Inch (10mm), 7 16 Inch (11mm), 1 2 Inch (12.7mm), 9 16 Inch (14mm), 5 8inch(16mm). you can chose the size you want.
  • Note This square hole drill bit adapter is not suitable for lithium battery electric drills and bench drills without round hole bearings. It s suitable for old-fashioned bench drills and household bench drills.
  • MATERIAL This square mortising chisel set is made of special steel, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity.
  • Fit Machine Great for drilling square holes in wood with a mortising machine or a mortising attachment. Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects. Clamp diameter range is about 38-55mm 1.50-2.17 inch. Coming with a screw for enhanced fixation.

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