الوصف
- Square Hole Drill Bits: The Drill square holes need to fit a square hole mortise and tenon machine to use. It is great for drilling square holes in wood with a mortising machine or a mortising attachment.
- Material: It is made of high-speed steel that has high heat treatment, high hardness, lengthened core, high concentricity. The square hole drill is mainly used for woodworking aspects.
- Advantage: It reduces labour intensity of construction workers, speed up the construction, reduce construction costs, installation, renovation, decoration industries.
- Convenience: The spiral twist drill bit can be drilled into the wood very smooth and quickly. The comminated material can be quickly discharged from the tube.
- Use for the opening square hole, suitable for construction, installation, renovation, decoration industry, etc.
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