YATO crown drill bit for drill rig designed for use without impact – dry and wet – with a drill rig (e g YT-81980) Allows fast and precise drilling of holesos, even without a tripod, in reinforced concrete, concrete, silicate, such as for electrical boxes, drilling through ceilingsos for pipes and cables, installation of cable routes or ventilation ducts. • laser-welded segments resistant to overheating caused by cutting rebaros, even when working dry• a layer of soft cobalt in the segment allows hand drilling „from” under cans in reinforced concrete, exposing the diamond, without the need for a tripod• increased resistance to high temperatures, friction and mechanical damage• 5/4” shank fits all tools available on the market• crown length: 430 mm
