BGTEC Dry Diamond Core Drill Bits-5pcs 6mm Tile Drill Bits with Hex Shank for Granite Marble Porcelain Tile Ceramic Marsonry

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Product description

  • Applicable machines Suitable for general hand drill (plug-in model), table drill. Generally, the rotational speed of electric drill is 2000-5000RPM, the faster the better, the slower the life is shorter.
  • Contains cooling wax By using cooling wax,can be drilled directly dry without adding water, which extends the service life and at the same time allows you to work more comfortably and quickly.Please use with water when drilling granite.
  • Excellent Finish Diamond is dense and delicate, less debris when drilling, with smooth and perfect drilling effect.
  • Highly advanced technology By adopting high-end vacuum brazing technology, the diamond and the substrate bond closely and the service life is long and reliable, which is the ideal choice for your drilling work.

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