YATO crown drill bit for drill rig designed for non-hammered operation – dry and wet – with a drill rig (such as YT-81980) Allows fast and precise drilling of holes, even without a tripod, in reinforced concrete, concrete, silicate, such as under electrical boxes, drilling ceilingsow for pipes and cables, installation of cable routes or ventilation ductsow. • laser-welded segments resistant to overheating caused by cutting rebaros, even when working dry• layer of soft cobalt in the segment allows drilling „by hand” 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” fits all tools on the market• crown length: 430 mm
