The RUBI DRYGRES diamond crown is designed for dry drilling holes in tiles and tiles made of porcelain, ceramics, marble and other stoneware using an angle grinder or, when used with a reducer, also with a drill. It is made of high quality materials for high quality and durability of the crown. The clamping is made of high quality steel to prevent damage to the crown.

Technical parameters:
Diameter: 85 mm
Drilling depth: 35 mm
Use: angle grinder
Max. speed: 14 000 rpm.
Mounting: M14
Drilling: dry drilling