Manufactured with advanced technology, high-quality materials, long service life; low cutting resistance, increased drilling speed, and easy chip removal.
1. for drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic.....
2. Wax inside for cooling, Dry drilling without water
3. Applying excessive pressure will not make the bit drill faster but will create excessive heat and subsecuently reduce the efficiency and life time
4. Very high efficiency, multi-purpose drilling