The DRYGRES 4DRILL range of diamond drill bits is recommended for drilling of all types of ceramic tiles, especially porcelain tiles, and other wall materials such as marble and granite.
DRYGRES 4DRILL diamond drill bits are designed to be used exclusively with electric drills, with or without cable. Their hexagonal connections allow them to adapt quickly to any market power drill.
The average life of the DRYGRES 4DRILL diamond drill bits is between 15 and 20 holes and ALWAYS depends on the diameter of the drill bit itself, the type and thickness of the material and the proper cooling and use.