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Product Review
- 1. Hollow chisel mortise drill tool suitable for construction, installation, renovation, decoration industry, etc.
- 2. Professional wood drill bit, clamping shank diameter: 19mm (Round)
- 3. Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity.
- 4. Square wood drill chisel will get double effect by matched use with mortise and tenon machine.
- 5. The square hole punching needs to use electric drill, hammer & other tools,please note: Do not use this with a regular hand drill.
