- Piling Technology Update
- Kelly Bar
- CFA Auger
- Standard Penetration Test
- Soil Mixing Machine
- CFA Rig
- Geotechnical Drilling Machine
- Geotechnical Equipment
- Hammer Grab
- Kelly Box and Adaptor
- Casing Oscillator
- GPS Boring Machine
- Soil Bucket
- Soil Auger
- Wear Parts
- Accessories
- Tremie Pipes
- Piling Machine
- Rotary Drilling Rig
- Core Barrel
- Belling Auger
- Casing Tube
- Diaphragm Wall Grab
- Piling Tools
- Rock Auger
- Rock Bucket
Kelly Bar
Kelly Bar
Feature
The Kelly bar is attached onto the drilling rig, whichtransfer torque and downward force from the rotary drive to the pilingor drilling tools. Kelly bar has a telescopic structure which include theswivel joint, lifting eye plate, crown of Kelly bar, telescopic tubes, spring,and Kelly bar end etc
Notice
The Kelly bar has to fit the rotary drive dimension, otherwise, the Kelly barcannot be inserted into the rotary drive and work properly.
Tool type
1. Friction and interlockingtype
2. Kelly bar for Bauer rig, Soilmec machineand all other Kelly bar drilling machines
Tool dimensions
| Name/Description | Type | OD(mm) | Working depth (M) | Section (pcs) | Max. torque (Ton) | Kelly bar end |
| Kelly bar | Inter lock | 292 | 16 to 32 | 2 to 3 | 9 | 130x130 |
| Inter lock | 368 | 16 to 65 | 2 to 4 | 18 | ||
| Inter lock | 394 | 16 to 65 | 2 to 4 | 25 | ||
| Inter lock | 406 | 32 to 65 | 3 to 4 | 28 | ||
| Inter lock | 419 | 24 to 65 | 3 to 4 | 30 | ||
| Inter lock | 440 | 18 to 65 | 2 to 4 | 32 | ||
| Inter lock | 470 | 32 to 65 | 3 to 4 | 36 | ||
| Friction | 273 | 10 to 40 | 2 to 3 | 8 | ||
| Friction | 299 | 15to 30 | 3 | 10 | ||
| Friction | 340 | 32 to 56 | 4 | 12 | ||
| Friction | 377 | 18 to 45 | 3 to 4 | 15 | ||
| Friction | 440 | 18 to 72 | 3 to 5 | 26 | ||
| Friction | 508 | 32 to 75 | 4 to 5 | 30 | ||
| Friction | 508 | 40 to 75 | 5 | 36 | ||
| Friction | 508 | 24 to 75 | 3 to 5 | 38 |
DR Company is a professional manufacturer and supplier ofpiling tools in China.We offer a variety of manufacture piling tools, such as rock auger, rockbucket, soil auger, soil bucket, core barrel, belling auger, casing tube, CFAauger, and Kelly bar ect. Wepossess 21 years experience of producing, selling and serving. Our companysproducts have been exported to South-east Asia, Russia,UAE and other Middle East countries, Japan,Canada and other countries. If you need casing tube, please contact us and we hope youcan visit our factories by yourselves.

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