【Application】Suitable for dry or wet drilling in Porcelain Ceramic Tile Marble Granite Artificial Stone Quartz, etc. Wet using will prolong the working life. Quick change hex shank design for stable clamping, smooth and easy drilling
【Quick Replacement and Installation】Compared with all diamond drill bits sets on the market, we provide a novel quick-detach bit holder with a built-in spring design. You only need to press down and insert the diamond drill bit,then release the holder, and the diamond drill bit will be firmly ; When you want to replace and take it out, just press down and the tip will-up automatically, saving time and effort
【Cooling Wax and Vacuum Brazed Technology】The inside of drill bits are filled with cooling wax, help heat dissipation and chip evacuation. Vacuum Brazed Technology and high quality diamond grains provides fast and smooth drilling, longer working life
【Recommended Machine】Corded Drill, Cordless Drill, Benchtop Drill. Use electric hand drill: Recommended speed not less than 2000RPM; Faster the RPM, longer the drill bit's working life. When use Angle Grinder, please install angle grinder drill chuck