... drilling 2. Available in all sizes 3:ISO Certificated 4:Long service life DTH drill rods1,Top-hammer drilling ... shank adapter, etc2,DTH drilling tools including Air DTH hammer,DTH bits with COP, DHD, QL, MACH, MISSION ... , SD, XL shanks.Water DTH hammer, ODS system, etc3,Drag bits including Step and ... WF,WG,etc), reaming shell, core barrel and drill rods.etc.5,Rock anchor tools, IBO anchor ...