Specification

-135mm Working length
- Extremely robust percussion drill bits with much longer service life than conventional concrete drill bits
- High drilling speed thanks to wide Twinmax spiral
- Special surface hardening technique by blasting guarantees extreme breaking strength
- Developed for frequent use in concrete and stone

Drilling Abilities in:-
- Concrete (Excellent)
- Fired tiles (Good)
- Gas concrete/YTONG (Excellent)
- Granite (Good)
- Sand-lime brick (Excellent)
- Clinker (Excellent)
- Aerated concrete (Excellent)
- Marble (Very Good)
- Brickwork (Excellent)
- Stone (Excellent)
- Wall tiles (Very Good)
- Roof tiles (Very Good)