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