SquareOff ™ Square Hole Mortiser Drill Bit
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Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc. Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity. It will get double effect by matched use with mortise and tenon machine, the square hole punching needs to use electric drill, hammer & other tools.
Material: high-speed steel,
Clamping shank diameter: 19mm (Round)
1pcs woodworking square hole drill