UNIKELLY

Unikelly is a company dedicated to the designing and manufacturing of tailer-made Kelly Bars for piling rigs in China since 2006. We supply telescopic Kelly Bars with length reach 140 m. High-grade materials and special welding process guarantee a high durability and wear resistance of our Kelly Bar, and make us outstanding in the market. We're the only manufacturer who is proud to announce that our Kelly Bar is 2000 hours guaranteed... 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 3 - 6 telescopic tubular sections with a system of drive keys and lock recesses, welded onto their outer surfaces. Standard Kelly bars are fabricated with 3 drive keys or 6 drive keys on each section. The tubular Kelly sections are manufactured from high-tensile steel to ensure minimum weight at adequate..

Also known as: www.unikelly.com