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Rotary rock drilling auger with round shank chisel for piling
Rotary rock drilling auger with round shank chisel for piling
Rotary rock drilling auger with round shank chisel for piling
Rotary rock drilling auger with round shank chisel for piling

Rotary rock drilling auger with round shank chisel for piling

Different name:Double cut single spiral tapered rock drilling auger
Main application:for bored pile/foundation drilling/ caisson
Core specification parameters:drilling diameter from 500mm-3000mm
Applications:Suitable for drilling in highly or medium weathered rock, very dense sand and gravel
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The rotary auger bored piling is the foundation solution using a conventional kelly bar and auger system. Connecting the Kelly bar by Kelly box, the rotary auger can drill into soft soil, stiff clays or rock layers.

Rock drilling augers are designed in different ways as below:Kelly

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

Body: Cylindrical shape or conical shape

Spiral:   Single spiral or double spiral

Cutter: Single cut or double cut

Wearing parts: Round shank chisel B47K17H/B47K19H/B47K22H/C31HD, rock pilot RP4 and holder

Wearing protection: Hard facing (standard) or wear strip (optional)

Conical rock drilling auger, which also called tapered rock drilling auger, is used for drilling hard rock formation. The diameter of its flights is increased gradually as a spiral and the rock teeth are equipped along the borderline up to the cutting edge.

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

Rock drilling augers 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)Fixed Bottom THK(mm)Rotate Bottom THK(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 rock drilling auger such as pitch, teeth, Kelly box, spiral etc for different soil formation to meet client’s requirements.

Quality assurance

With 10 years experiences of production of rotary drilling augers, 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 drilling augers are delivered.