Oudtinx Diamond Drill Bit Set, 10 PCS Glass Hole Saw for Tiles Glass Ceramic Marble Bottles DIY,6mm - 30mm

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  • SMALL RESISTANCE Small incision resistance, opening speed is quickly, easy removal of chips and other advantages.Also help to open accurately. Large chip holes to ensure that when the punching smooth, punching accurate.
  • DURABLE Nickel-plated with a diamond dust coating offers superior performance and cutting strength.Extended service life.This diamond drill bits are high quality and good performance that excellent for making clean and accurate hole.
  • IDEAL FOR This diamond coated core drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other.Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
  • TIP Can be used with a standard electric drill (not included), Always use lubrication (water), otherwise the diamond core drill will burn. Warnings Not for use on Concrete or for depths beyond about 1 2"; Water is required for lubrication when drilling.
  • 10 SIZES Total 10 different sizes (6mm,8mm,10mm,12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 30mm).Different sizes meet your different needs,help you in different places.

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