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Rock auger

Rock Augers are adaptable to drill in sand, gravel and weak to strong rock.

According to the different formation, BAORUI rock auger can be designed to be single cut or double cut. If you have deep foundation projects need to cut strong rock hardness from 50~100Mpa, the progressive rock auger will be your best choice.

 

Good continuity condition and no shape change should be considered for deep foundation.Baorui drilling rock auger always focus on the products’ quality, think highly of the borehole piling efficiency and construction method.

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Core barrel
Users always focus on how height per hour the core barrel could drill, this is a critical question which proof a company manufacturing technology. First it was divide into core barrel with roller bits and core barrel with bullet tooth.
Core barrel with bullet teeth
 
 
 
Core barrels with bullet teeth are specially designed for fractured rock and hard rock with hardness less than 80 MPa. With over 10 years’ foundation piling method and drilling tools manufacturing experience.
BAORUI R&D team spend a great effort to design a high efficient angle and apply on the core barrel with bullet tooth.
The roller cone drill bit core barrel
 
 
 
The roller cone drill bit core barrel is mainly suitable for super-hard rocks above 80Mpa, such as lightly weathered or moderately weathered granite, gneiss, quartz stone, basalt, etc. Welding of the roller cone requires a very high precision angle so that each bit can be welded at the same height and the same cutting groove.
A little bit out or in of any one of the cones will bring different degrees of wear to the drill. For example, the drill cannot be rotated or some bits are severely worn, but some remain in good condition. The most serious one is the piling that affects the foundation drilling project’s effectiveness.

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