... ,R32,R38,T38,T45,T51, ST58, ST68, GT60), coupling, taper rods and bits, Speed rods/MF rods, extension rods, shank adapter, ... 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 anchor system( anchor rods, anchor bits, nut, plate,coupling.), Rebar rock ...