Universal crown drill bit• enables work not only in wood or composite materials, but also in the most commonly used mineral materials, such as porotherm blocks or silicate• because of its universal application useful especially for installerso installers It allows working not only in wood or composite materials, but also in the most commonly used mineral materials, such as porotherm blocks, suporex or silicate blocks• due to its universal application useful especially for installersoin ventilation, air conditioning, heating and electriciansow• drilling in some mineral materials, such as in suporex and ceramic blocks jis faster than using diamond drills. • available Yato brand pilot drills zarowno with forked end (YT-43990), as well as HSS (YT-43991, YT-43992)• full program of crown drills with diameters from 16 mm to 152 mm.
