... hammer, DTH drill rods, ODEX, SYMMTRIX1,Top-hammer drilling tools including thread button bits(R25,R28,R32,R38, ... " thread.Claw tybe bits, Clay bits,etc4,Diamond core drilling tools including the diamond core bit(BQ,NQ,HQ,PQ,TT,T2,T6 ... ,WF,WG,etc), reaming shell, core barrel and ... ,coupling.), Rebar rock bolting, Friction bolting. etc. DTH Drilling pipe