SQUARE HOLE MORTISER DRILL BIT
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=gRRXnq0Sgdg
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. This quality set also comes with a convenient plastic storage case. • ** Please Visit ** • https://goo.gl/nf98fU
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