... drill rods, ODEX, SYMMTRIX1,Top-hammer drilling tools including thread button bits(R25,R28,R32,R38,T38,T45,T51, ... ST58, ST68, GT60), coupling, taper rods and bits, Speed rods/MF rods, extension rods, ... Step and Chevron types with "API Reg", "NRod" thread.Claw tybe bits, Clay bits,etc4,Diamond core drilling tools ... .), Rebar rock bolting, Friction bolting. etc. DTH Drilling pipe