FOCSTOL Diamond Core Drill Bit - 100mm Diamond Hole Saw for Porcelain Ceramic Tile Marble Granite Quartz M14 Thread

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Product description

  • U-grooves Design 20mm and above U-grooves good design for heat dissipation and debris removal, with higher efficiency and better performance
  • Application Diamond Core Drill Bits for dry or wet drilling holes in Porcelain Ceramic Tile Marble Granite Quartz, etc. Wet drilling will greatly prolong the drill bits life
  • High Performance Vacuum Brazed technology and high-quality diamond grains provides high efficient working performance, faster drilling speed and longer service life
  • Recommended Machine M14 Thread Angle Grinder. Recommended speed 3000RPM, maximum speed 6000RPM. If you want to use electric drill or other machine, you can use hex or triangle shank adapter

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