【Application】Dry or Wet drilling Ceramic Porcelain Tile Marble Granite, etc
【Cooling Wax】The inside of drill bits are filled with cooling wax, help heat dissipation and chip evacuation. Dry drilling without water, very convenient
【Vacuum Brazed Technology】Vacuum Brazed Technology and high quality diamond grains provides fast and smooth drilling, longer working life
【Recommended Machine】Diamond dry drill bits suitables for Corded Drill, Cordless Drill, Benchtop Drill. Recommended speed: 2000-5000RPM; Faster the RPM, Longer the drill bit's Working Life. When use Angle Grinder, please install angle grinder drill chuck