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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
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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