... manufacture of rock drilling tools, mining tools, DTH Drilling tools. construction tools and excavating coal pick cutter tools.1 ... face design :Flat face, drop centre, Normal and retrac body.tungsten carbide(Buttons):Spherical, ballistic and Conical.(Threaded R32, T38, T45,T51, bit ... Drilling)Offer ir hammers,DHD3.5,DHD340a,DHD360,DHD380,and low pressure hammers CIR65a, CIR90, CIR110, CIR150,CIR170etc ...