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Kelly Bar

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Interlocking Kelly Bar for Rotary Drilling Rig
Interlocking Kelly Bar for Rotary Drilling Rig
Interlocking Kelly Bar for Rotary Drilling Rig
Interlocking Kelly Bar for Rotary Drilling Rig
Interlocking Kelly Bar for Rotary Drilling Rig

Interlocking Kelly Bar for Rotary Drilling Rig


Different name:Kelly bar for rotary drilling rig
Main application:deep foundation drilling;
Core specification parameters:interlock type, telescope kelly
Applications:Deep foundation engineering, bored piling, cassion, Drilled shafts, cast-in-drilled-hole piles, Civil engineering, Infrastructure, building, bridge, high-speed railway etc.
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Description

Kelly bar is a telescopic drilling rod to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool. Kimdrill can customize kelly bar on requested that can be applied to any type of piling rig available in market. 

Kelly bar is mainly classified into friction Kelly bar and interlocking Kelly bar. 

Interlocking Kelly bars are used with piling rigs for drilling in dense sand and gravel and weak to strong rock. To transfer the max torque to the drilling tools, the interlocking Kelly bar is equipped with drive ribs which are welded on the lock device on each section. 

The Interlocking Kelly bars can be fully locked by mechanical locking system on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose. Material: 

  • Kelly stub: 35CrMo, forging 

  • Steel Pipe: Q355B (Outside sections), 35CrMo (inside sections)

Specifications
ModelOuter Dia. (mm)SectionLength of each section (m)Compatible Drilling Rigs
KD343/4/9-143433,4,59-14Bauer
KD355/3/4/5/9-143553,4,59-14CMV
KD368/4/9-143683,4,59-14Bauer
KD377/3/4/5/9-143773,4,59-14MAIT
KD394/3/4/5/9-153943,4,59-15Bauer, Soilemc
KD406/3/4/5/9-154063,4,59-15Soilemc, IMT, CMV
KD419/3/4/5/9-154193,4,59-15Casagrande, SANY,XCMG
KD440/3/4/5/6/9-154403,4,5,69-15MAIT, SANY, XCMG
KD470/3/4/5/6/9-16.54703,4,5,69-16.5Bauer, SANY
KD508/3/4/5/6/9-185083,4,5,69-18Casagrande, XCMG, ZOOMLION
KD558/3/4/5/6/9-245583,4,5,69-24Soilmec, SANY, SUNWARD
KD559/3/4/5/6/9-245593,4,5,69-24Bauer, XCMG

Package and Delivery:

For the kelly bar in length less than 11.5 meters, we will load them in 40GP.

For the kelly bar in length more than 11.5 meters, we will ship them in bulk cargo.


Place of Origin:Made in China
Brand Name:KIMDRILL
Model:Interlock
Material:Q355B/35CrMo Steel Pipe
Compatible Brand:XCMG, SANY, BAUER,SOILMEC, SUNWARD, CMV,MAIT
Certification:ISO 9001/ COC/PVOC
Minimum Order Quantity:1 set
Packaging Details:Wrapped with plastic film.
Delivery Time:7 working days
Competitive Advantage
  • Top quality raw material

  • With Heat-treatment and strict QC process

  • With rich experience of manufacturing and exporting

  • Familiar with the rotary drilling rig in difference brand and model


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