Скачать или смотреть Core Barrel Rock Roller Bit In Foundation Piling Work

Core barrel is mainly cut an annular ring in rock. 
The center core of the rock is usually crushed by the Replaceable Roller Bit . It is suitable for drilling hard rock and for penetrating through layers containing boulders.
1.Cutting ring with rock drilling bits helps release the internal stress of rock.
2.When drill in the full fracture rock layer, crossing cutter makes it easy to carry soil.
3.Barrel adopts spiral wear-resistant strips for anti-attrition to prolong the service life.
4.Many tungsten carbide teeth are used for higher drilling efficiency. 5.Heightened design with high construction efficiency, reducing construction cost.
Please contact with DrillMore's sales team for more information.
Tel +86 199 7332 5015
E-mail: [email protected]
Web: www.drill-more.com
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