Concentric Casing

Showing the single result

  • 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