... , DTH hammer, DTH drill rods, ODEX, SYMMTRIX1,Top-hammer drilling tools including thread button bits(R25,R28,R32,R38,T38 ... Speed rods/MF rods, extension rods, shank adapter, etc2,DTH drilling tools including Air DTH hammer,DTH bits with COP, DHD ... .etc.5,Rock anchor tools, IBO anchor system( anchor rods, anchor bits, nut, plate,coupling.), Rebar rock bolting, Friction bolting. etc. DTH Drilling pipe