Drill diamond ring f =22 mm, type of the PRO

The drill diamond ring is intended for drilling of glass, a portselanat, marble, ceramics, a tile, thin granite plates. Drilling is made with obligatory cooling with water, on the stationary machine or a drill on a rack, in case of drilling the cliche (conductor) is manually necessary. Minimum turns of 1.000 rpm. The resource of a drill depends on the processed material, thickness of material and skills of the worker. On glass an average resource of 50 openings (in glass 3 mm thick). On marble - 10 otv. more, on ceramics to 30 otv.