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KR Drilling machinery is one of the leading manufactory in China dedicated to providing high quality kelly bars for piling rigs.  The interlocking and Friction Kelly bar we supplied ranges from Outer diameter 299mm to 630mm, from 3 section to 6 sections, For internationally renowed brands of drilling rig including Bauer Bauer / Soilmec/ Casagrande/ Liebherr/ IMT / Mait / Sany /XCMG/ Sunward/ Zoomlion/ TEG....

Except kelly bar, our products including but not limited to Drilling tools (drilling buckets/drilling auger/core barrel/drilling bits), Casing(casing tube, casing shoe, driver, connector, teeth, bolts),   Hydraulic  Gearbox/Motor/Pump, Piling rig structure parts( Kelly guide/ swivel joint/ Rotary sleeve /Terminal joint / Spring/ Slew bearing, Electric parts & Valve , Undercarriage parts ...etc. 

All in one words, One-Stop service for drilling rig.


  • Usually Customized kelly bar is formed by Interlocking kelly bar pipe, Friction kelly bar pipe, Full lock ribs kelly bar pipe or other mix-lock types based on your specific projects complicated formation needs.

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