... pipe 4.Material:Carbide DTH drill rods1,Top-hammer drilling tools including thread button bits(R25,R28,R32 ... API Reg", "NRod" thread.Claw tybe bits, Clay bits,etc4,Diamond core drilling tools including the diamond ... 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 bolting, Friction ...