BGTEC Diamond Hole Saw Kit Marsonry Drill Bits, 10pcs 5/6/6/8/20/25/28/35mm with Hex Shank+6mm Carbide Drill+10mm Milling Finger Bit for Granite Marble Porcelain Tile Ceramic

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Product description

  • U Groove Design 20MM and above have 4 U groove design, which is good for debris and heat dissipation, improve drilling efficiency and better performance;
  • 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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