Factory Supply OD406*4*13.5M Frictional Kelly Bar For Rotary Piling Rig Machine SR220 AF180 AF220 SR518

Friction type drill Kelly bar is a kind of drill pipe type with international advanced six-ribs distribution technology composition.The Kelly bar can generate pressure force when the Kelly bar rotarying can produce peripheral force and the rotary passing down the pressure force can produce the friction force. It is simple operation, drilling depth . it is suitable for soft soil layer and mud sand layer.The complete set of Kelly bar is with light weight, high strength, high linearity of the single drill pipe.; The inner and outer layer collocate reasonably , with good wear resistance plate.. it is greatly to meet the special requirement of the drill rig machines.

Specification

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Beijing Jietaihongli Technology Co., Ltd., founded in 2004, headquartered in Beijing, branch factory in Shouguang, Shandong. The company is mainly engaged in the production and sales of rotary piling kelly bars , drilling tools, rotary piling rig overhaul, rig sales and accessories supply.

Beijing Jietai Haoli Technology Development Co., Ltd. is one comprehensive enterprise that produces and sells rotary drilling kelly bars ,drilling tools,piling rigs spares and piling rig maintenance.The company established in 2004. The founder has been engaged in after-sales service of drilling rigs and kelly bars such as IMT, SOIMEC, BAWER, and MAIT before the establishment of the company. During this period he accumulated rich experience in kelly bar manufacture and maintenance.The company focused on the research, development and production of kelly bars after establishment. The main kelly bars produced include frictional kelly bars ,interlocking kelly bars and square kelly bars.