The RUBI DRYGRES 4DRILL diamond drill bit with a diameter of 8 mm is designed for dry drilling in tiles, porcelain, stoneware or natural stone. Max. drilling depth is 36 mm. It is clamped with a hexagon to a cordless or electric drill. The crown contains wax that melts as it is drilled, helping to cool the crown and clean the drilling area at the same time. It needs a minimum drilling speed of 1000 rpm. Special vacuum production technology guarantees excellent durability and resistance of the crown.

Technical parameters:

• Diameter: 8 mm
• Max. Drilling depth: 36 mm
• Min. speed: 1000 rpm.
• Drilling: dry drilling
• Mounting: hexagon