Drilling tools from ZAO Mashinostroitelny Holding
The article acquaints the readership with drilling tools manufactured by ZAO Mashinostroitelny Holding (Yekaterinburg): edge cutting button bits having bayonet, key-and-slot and spline connections with hammer drills; button bits having bayonet, key-and-slot and spline connections with hammer drills; starting bits, pneumatic percussion tools.