- 6 Different Slot Diameters - 6 pieces square hole drill bits with different slot diameter (1/4 inch, 5/16 inch, 3/8 inch, 1/2 inch, 9/16 inch, 5/8 inch ), help you quickly punch clean holes in the needed sizes
- Flute Design - Woodworking mortising chisel set with standard chip groove design helps clear chips and debris away, work quickly and efficiently; This saw drill bit is great accessory for mortising, chisel, and woodworking
- Durable Steel Material - This woodworking hole saw drill bit is made of high quality steel, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity
- High Efficiency - Mortiser chisel drill is great for drilling square holes in wood with a mortising machine or a mortising attachment; Fits all mortising machines and drill press attachments
- Practical Woodworking Tools - Professional woodworking saw drill bit, suitable for construction, installation, renovation, decoration industry, etc; if you have any questions, you can contact us at any time, we will help you solve the problem quickly.
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