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....

1. Kelly bar ( Interlocking Kelly bar/Friction Kelly bar/Customized Kelly bar/Square Kelly bar...)

2. Drilling tools (Drilling Buckets/Drilling Auger/Core barrel/Drilling bits/Rollers...)

3. Casing Parts (Casing Pipe/Casing Driver/Casing Connector/Casing Shoe/Teeth/Bolts...)

4. Hydraulic Parts (Gearbox/Motor/Pump, Small hydraulic parts...)

5. Electric parts & Valve group

6. Piling rig Structure parts ( Kelly guide/ Swivel joint/ Rotary sleeve /Terminal joint / Spring/ Slew bearing/Ropes...)

7. Undercarriage parts (Track rollers/Guide roller..)

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

Why you choose us?

1. Seasoned R&D and Manufacturing Terms

With 15 years of professional experience in Kelly bar design and manufacturing. KR Drilling is capable of providing overall construction solutions and designing customized high quality Kelly bar based on various drilling conditions that the customers encounter. If you require any assistance or would like to discuss this further, warmly welcome visit us!

Our KR Drilling team is always around for full-range service and support. If you require any assistance or would like to discuss this further, please don’t hesitate to contact m

2. Top Quality Raw Materials

The raw materials o f steel pipes we use are supplied by the best manufactures in China with CE certifications. Our Kelly bars are made of high strength alloy-steel tubes with high torsional and compressive strength which will meet the strict requirements for drilling in hard formations.

3. More Life Out of our Wear Parts

The key components such as drive keys, locking recesses are made of high strength and wear-resistant materials with special heat-treatment that would help to improve the life of these parts. The internal drive keys are made of high strength and wear-resistant steel plate. These welded components also undergo special heat treatments. It not only improves the drive keys wear resistant properties, but also the welding properties.

Trade & Payment terms 

Trade terms: We offer EXW/FOB/CIF/CIP/DDP... port price.

Payment terms: 30% T/T as deposit, 70% T/T balance payment before shipment.

Warranty & After-sale Service

ONE year since manufacture date. Out-of-warranty, online video for trouble-shooting or paid maintenance service with engineers sent to be abroad.