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Core Barrel Double Shell with Bullet Teeth

Core barrel double shells specially are used  drilling for deep, large and toughest pile.Inner core barrel drill  first and work as a centerizer .The outer core barrel drill and reaming.Ensuring the verticality of the pile.
Availability:
Quantity:
  • Dia 800~2800

  • BAORUI

Product Description

Item:Double shell core barrel 


Feacture:Drilling and coring first by the inner ring and reaming by the outer ring.High efficiency for large , deep and toughest pile.


Application strata:Gravel, boulder,and medium weathered rock.


Type:Bullet teeth or roller bit


Customized service: customized like φ850mm, φ1120mm.


Kelly box:200mm or 250mm

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