


Core barrel double shell
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.
Tag:
Category:
Model:Dia 800~2800
Brand: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
About BAORUI
WHY CHOOSE US ?

STRONG STRENGTH
We have 7 professional senior engineers who have worked in the industry for 8-15years to support the design of custom products.

PROFESSIONAL
We uphold the spirit of ingenuity, follow the strict process technology, the use of superb manufacturing skills to serve our customers.

SUPPORT FOR CUSTOM
We have 7 professional senior engineers who have worked in the industry for 8-15years to support the design of custom products.

QUALITY SERVICE
We not only provide good products, but also ensure thoughtful service and professional after-sales service team
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