... .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 drill rods.etc.5,Rock anchor tools, IBO ... , plate,coupling.), Rebar rock bolting, Friction bolting. etc. DTH Drilling pipe