BRSCHNITT 5pcs/Pack Diamond Drill Bit Set, 1/4 5/16 3/8 1/2 Inch, Hex Shank, Dry Drilling, Diamond Core Drill Bit for Porcelain Tile Ceramic Stone Granite Marble, 6/8/10/12mm

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Product description

  • Size --5pcs pack 1 4"(6mm)+5 16"(8mm)+3 8"(10mm)+1 2"(12mm), diamond height 8mm, total length 65mm,quick-fit 6.5mm,diamond grit #50 60 of diamond core drill bit
  • High Performance --Special design of spiral groove at the top of bit helps for chip removal,Wax inside the drill bit helpful for Cooling and Lubrication
  • Super Quality Raw Material --Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform
  • Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck

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