Square Hole Cornered Drill Bit


Whether you’re cutting a hole for a window, making a puzzle or toy for a child, or building something entirely different, knowing how to cut a square hole on wood is a must for all carpentry enthusiasts. But with only manual measurement and drilling without the right tools, it can entirely ruin your project. Be equipped at all times when it comes to metal and woodworks! Make square drilling fast, easy, and 100% accurate with the Square Hole Cornered Drill Bit!

  • FLUTE DESIGN – Comes in a chip flute design with long drill core and square chisel which improve drilling efficiency and allow you to drill square holes on your wood materials.

  • VARIED SIZES – This tool can meet your different needs as it comes in different sizes so you can easily drill holes in the exact size and measurement.

  • HIGH HARDNESS – Made of high-speed and heat-treated steel which provides high hardness, lengthened core, and high concentricity for a long service life.

  • EFFICIENT HELPER – With its functionality, it reduces the labor intensity of construction workers, speed up the construction speed, and reduce construction costs for construction, installation, renovation, decoration industries.

  • WIDE APPLICATION Suitable for drilling square holes into the wood with a mortising machine or a mortising attachment and also fits on electric drill, hammer, & other tools.

Get your hands on the Square Hole Cornered Drill Bit and make every square drilling task easy-peasy!


Material: High Speed Steel

Available Sizes: 6mm / 8mm / 10mm / 12mm

Square Hole Size Handle Diameter Depth Diameter Length
6mm 6.8mm 41.5mm 19mm 118mm
8mm 5.5mm 58mm 19mm 134mm
10mm 6.8mm 59mm 19mm 135mm
12mm 6.8mm 60mm 19mm 135mm

Bundle Options:

  • 1 pc. Square Hole Cornered Drill Bit 
  • 1 set Square Hole Cornered Drill Bit (4pcs - all sizes)


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Remember: Shipping usually takes 2-3 weeks - read our Shipping for more details!

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