Features: 1) All kinds of rock drilling tools for mining, quarry, construction, waterwell, oilfield and tunneling industries 2) Available:a) Chisel bits, cross bits, button bits, "Retrac" bitsb) DTH hammers and bits, drag bits, tricone bitsc) Coupling sleevesd) Tapered drill rods, integral drill rods, shank rodse) Extension rods, pneumatic breaker steel rodsf) Tungsten carbide inserts and buttonsg) Diamond blades, diamond wire saws, diamond segments, diamond coredrill bitsh) Reaming shells, PDC bitsi) Rock drills, pneumatic breaker drillsj) Crushers, drill rigs