Sigma Diamond Fast Range Drill Bit / Core Wet or Dry - Porcelain, Stone

Suitable for:-

• Porcelain Gres
• Ceramic Tiles
• Klinker
• Granite
• Marble
• Limestone
• Slate
• Terracotta
• Masonry
• Fiberglass

For use Wet or Dry

Instructions:-

1. Adjust the speed between 4000 and 11000 RPM
2. Start drilling at a 15 - 30 degree angle to the surface, until good contact has been established
3. Once hole has been started return to perpendicular 
4. Continue drilling but move in a circular motion rolling around its verical axis to help release material debris from the drill bit core.
5. Press grinder with force of 5 kg's. PA
6. To prolong drill bit life, SIGMA recommend: Turn off the grinder and dip the drill bit 3 seconds for every 10 seconds of working.
7. Clear tile core and debris from drill bit after each hole