HOLE FOR TILES, STONEWARE, GRANITE, MARBLE, STONE, GLAZE. FINALLY AVAILABLE!!! After the huge success of the first version of PROFI foraminifera, we present the latest series PROFI XBLACK - even more durable, even stronger, even faster. Original PROFI foraminifera designed for making holes in very hard mineral materials mainly stoneware. Lace with diameter 100 mm, ideal i.a. under holes for hydraulic approaches. Diament in PROFI XBLACK foraminifera is embedded by vacuum soldering. This means that diamond particles are embedded in the bonding material. Thanks to this, PROFI XBLACK laces are characterized by a huge service life and are also resistant to high temperature - they can be used at high speed grinder, dry. Technical data: mounting: thread M14 - all popular angle grinders Operating speed: 11000 revolutions designed to work dry opening rate for stoneware 10mm: several seconds The height of the diamond embankment in the foraminifera is up to 15 mm. This height of the embankment allows not only to make a hole, but also, if necessary, gently correct it to the sides. The standard height of the embankment in similar foraminifera is only 10 mm. We are the only distributor of PROFI XBLACK crowns in Poland. We guarantee the highest quality of our foraminifera in no way different from the crowns of well-known brands.