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  • COD168-Permanent Concentric Casing System by DTH Hammer

    • Code No.: COD168
    • Casing O.D.: 168mm
    • Casing Wall Max: 13mm
    • Ring Bit I.D.: 125mm
    • Ring Bit O.D.: 185mm
    • Pilot Bit O.D.: 140mm
    • DTH Hammer: 5”
    • DTH Pipe: 76mm, 89mm

  • COD280-Concentric overburden drilling System by DTH Hammer

    Code No. |-| COD280
    Casing O.D. |-| 406mm
    Casing I.D . |-| 382mm
    Ring Bit O.D. |-| 440mm
    Casing Shoe I.D.|-| 364mm
    Pilot Bit O.D. |-| 140mm
    DTH Hammer |-| 12”
    DTH Pipe |-| 140mm