... 26 Covers almost all IADC codes suitable for sidetracking, deep well drilling Advantage: 1> TCI tricone bit, steel teeth ... bits, ,used drill bits stock,used mud pumps,etc9> be used for water well, oil field, underground, construction, geothermal, ... 5> Product ApplicationIt is suitable for sidetracking, deep well drilling and old well repairing.6> Current Main AvailabilitysizeBit TypeIn.mm4 1 ...