BGTEC Dry Diamond Core Drill Bits for Porcelain Tile Ceramic Marble Brick M14 Thread 2pcs Diameter 40mm

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Product description

  • Special Designed with Hole in both Sides of Drill Bit for fast Removing Stone Chips and Improve drilling efficiency
  • Multi-purpose drilling for ceramic tile, porcelain tile, granite, marble
  • Dry drilling without water,Use water for longer time
  • Machine Anger grinder. lf you want to use electric drill or other machines, you can use SDS or Hex Shank Adapter. Recommended speed 6000RPM, maximum speed 11000RPM.

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