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Deep foundation pile belling buckets for enlarging hole
Deep foundation pile belling buckets for enlarging hole
Deep foundation pile belling buckets for enlarging hole

Deep foundation pile belling buckets for enlarging hole

Different name:reamer
Main application:for bored pile/foundation drilling/ caisson/deep foundation/construction
Core specification parameters:drilling diameter from 500mm-2000mm
Applications:Used for enlarging the pile bases in cohesive soil formation.
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Belling buckets are designed for enlarging the pile bases in cohesive soil formation. By Connecting the Kelly box of Kelly bar, the Kelly bar transmitted vertical crowd force to the belling bucket and the wings of the belling buckets are gradually opened when drilling. 

Feature of belling bucket:

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

Wing: Two/Three/Four wings 

Wearing parts: Rock bit B47K17.5H/B47K19.5H/B47K22H and holder 

For different soil condition, various types of tooth are available and we also optimize the geometry of the tooth arrangement for excellent cutting performance. 

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


Dia. (mm)Max  Dia.(mm)Wings No.Teeth No of two wing
Place of Origin:Made in China
Model Number:Diameter 500mm-2000mm
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 belling buckets such as teeth, Kelly box, wings etc to meet client’s requirements.

Quality assurance

With 10 years experiences of production of belling buckets, our experienced engineers and skillful workers can guarantee the high quality of the drilling buckets 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 drilling buckets 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.