Woodworking square hole drill bit keyhole drill

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Style : 6.4mm (1/4”)

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  • 😊If you are not satisfied with the goods you received, please contact us within 15 days after receiving, we will give you the best help!
  • 🚢 Shipping>>Worldwide express shipping available.
  • 🔥98.9% of customers buy 2 or more


  • - Fast and easy to punch standard holes in hardwoods with clean and precise cuts, no need for manual carving!
  • - Sharp U-shape blades deliver smooth and fine square holes without burrs.
  • - Made of tough and durable high-carbon steel, proves efficient performance and long service life.
  • - Precision CNC machining with smooth surface, less resistance when punching, achieving more accurate hole size.
  • - Designed with chip removal chutes for fast and efficient chip removal, improving drilling operations.
  • - Compatible with a variety of square hole drilling machines, suitable for woodworking DIY lovers, wood grooving, wood tenon, and furniture production.
  •   🐶 【High Quality】:- Made of high-speed steel,Heat treatment, HRC48~50, high hardness,lengthened core,high concentricity.


  • ✅  🐶 【Cost-Effective】:- Mortise and tenon square hole drilled by SaferCCTV + 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.


  • ✅  🐶 【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



  • Material: High-speed steel

  • Weight: 4-piece set: 670g, 5-piece set: 880g, 7-piece set: 1440g


  • Free Shipping Over $30.

  • Orders will be processed within 7 business days of ordering and shipped out the next day after the processing day. Orders will generally be delivered within 7 to 14 working days.

Returns:Fast refund for any dissatisfaction within 15 days, 100% money-back guarantee.


  • Due to manual measurements, please allow slight measurement deviations.

  • Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture.