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Rock core barrel with round shank chisel for bored pile
Rock core barrel with round shank chisel for bored pile
Rock core barrel with round shank chisel for bored pile
Rock core barrel with round shank chisel for bored pile

Rock core barrel with round shank chisel for bored pile

Different name:Core barrel with rock teeth
Main application:for bored pile/foundation drilling/ caisson/deep foundation/construction
Core specification parameters:drilling diameter from 500mm-3000mm
Applications:Suitable for drilling in hard rock and cutting through fissured and fractured strong rock
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Core barrel is one of rock drilling tools especially used for cutting annular ring in rock, concrete and in steel reinforced concrete . Connecting the Kelly bar by Kelly box, the core barrel can drill in hard rock and cutting through the fissured rock.Rock Core Barrel is the core barrel that equipped with round shank chisel of B47K22H on its cutting ring and can drill in stratification with hardness range of 50-100mpa. 

Features of rock core barrel: Kelly 

box:200mm*200mm;150mm*150mm;130mm*130mm;100mm*100mm; 75mm*75mm or as per client’s request. 

Barrel: Cylindrical barrel with cutting ring 

Wearing parts: Rock bit B47K19H/B47K22H and holder 

Wearing protection: long wear strip on the shell 

According to the different hardness of soil condition, the cutting ring of the core barrel can be equipped with various types of round shank chisel, welding bar and roller bits for best cutting performance. 

Rock core barrel are compatible with Bauer BG, Soilmec SR, Casagrande, Mait, IMT, CMV, XCMG, Sany, Zoomlion rotary drilling rigs and others.


Drilling Dia. (mm)Shell Height(mm)Shell THK(mm)Cutting  Ring THK(mm)Cutting  Ring HIT(mm)Teeth No
Place of Origin:Made in China
Model Number:Diameter 500mm-3000mm
Certification:COC/PVOC/FORM E/CO/ISO 9001
Minimum Order Quantity:1PCS
Packaging Details:Wooden cases or pallet
Delivery Time:7 working days
Competitive Advantage

Customized design

We can customize the core barrel such as teeth, Kelly box, height etc to meet client’s requirements.Quality assurance

With 10 years experiences of production of rotary core barrel, our experienced engineers and skillful workers can guarantee the high quality of the drilling augers we made.

All around after-sales service

Our sales will response to any questions within 24 hours once we get. We pay great attention to the feedback from clients and satisfy them both on products and services.


The warranty period is six months since the core barrel are delivered.


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1. What is a drilling bucket?

A drilling bucket is a tool used with rotary drilling rigs, designed for drilling in various soil and rock types. It's typically a cylindrical container with cutting teeth at the base, used to excavate material from boreholes.

2. How does a drilling bucket work?

The bucket, attached to a rotary drilling rig, is driven into the ground. Its cutting teeth break up the soil or rock, filling the bucket. Once filled, it's lifted out of the borehole, removing the excavated material.

3. What are the common applications of drilling buckets?

Drilling buckets are used in construction for drilling deep foundations for buildings, bridges, and other structures. They are also used in geotechnical engineering for creating boreholes.

4. Can drilling buckets be used in all ground conditions?

There are different types of drilling buckets for various conditions. Soil buckets are for softer grounds, rock buckets for harder or rocky terrains, and core buckets for coring in very hard ground or rock.

5. What factors influence the choice of a drilling bucket?

The choice depends on the ground conditions, depth and diameter of the borehole, and the specific requirements of the drilling operation.

6. Are there different types of drilling buckets?

Yes, there are several types, including soil buckets, rock buckets, core buckets, and cleaning buckets, each designed for specific drilling conditions.

7. How do drilling buckets differ in design?

The main differences lie in the type and strength of cutting teeth, the opening mechanism for soil release, and the overall robustness to handle different soil or rock types.

8. How is the excavated material removed from the drilling bucket?

Soil buckets often have a hinged bottom that opens to release the material. In other types, the material is retained until the bucket is brought to the surface and manually emptied.

9. What is the role of a cleaning bucket?

Cleaning buckets are used to clean the bottom of a borehole, ensuring a clean and level surface for construction purposes.

10. How does the size of a drilling bucket affect its performance?

The size of the bucket determines the volume of material it can hold, affecting the efficiency of the drilling operation. Larger buckets can remove more material but require more power to operate.