Friction Kelly Bar
Origin: Wuhan, China
Model NO.: YJ-KB02
Condition: 100% new
Specification: customization is available
Usage: Foundation drilling and piling
Kelly bars are key components in the execution of boreholes with hydraulic rotary drilling rigs. They transfer the torque of the rotary drive and the crowd pressure of the crowd system concurrently to the drilling tool. A Kelly bar consists of 2 – 5 telescopic tubular sections with a system of drive keys and lock recesses, welded onto their outer surfaces.
Application: Friction kelly bars are normally supplied in 4 or 5 telescopic elements, they are mostly used for deep piles of silt, clay and less dense sand and gravel.
Kelly sections: Kelly bar 2-5 sections.
Type: Interlocking/friction/combined kelly bar.
Size:Diameter range from 355mm-630mm.
Warranty: One year.
Strict selection of steel grade to make sure strength at the max torque,
Standardized machinery and tooling for heat treatment, alignment and auto-welding,
Fine workmanship performed by professional workers,
Large inventory of pipes for quick delivery of Kelly bar sets or parts,
We provide drill pipe customization service. You can customize the length, diameter, drill pipe accessories and even drill pipe color for your Bauer or Soilmec etc. drill rig.
Q: What's the nature of your company?
We are manufacturer. All products are produced by ourselves, so we have competitive prices while ensuring product quality.
Q: What are the delivery details?
Our products can be transported by sea and air, the delivery time for sea shipping is around 15 to 23 days after we received your payment.