- 【Size】Totally 6pcs/set: 4pcs 6/6/8/10 diamond drill bits+1pc 6mm carbide drill; 1pc 4/5”(20mm) beveling chamfer bit
- 【Application】Dry or Wet drilling Ceramic Porcelain Tile Ceramic Granite Marble Artificial Stone Quartz, etc. Wet using will prolong the working life
- 【Cooling Wax & Vacuum Brazed Technology】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 and high-quality diamond grains provides fast and smooth drilling, longer working life
- 【Cross Helix Carbide Drill】Cross Helix Carbide Drill sloves the problem of diamond bit drifting and walking. Provide more precise positioning and easier drilling (Attention: This is not a core bit for drilling)
- 【Recommended Machine】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