Frictional Kelly Bar
kelly bar are especially designed for drill hard materials and when crowd force is required . kelly bar is key components in the execution of boreholes with hydraulic drill rig . kelly bar transfer the torque to the rotary drive and crowd pressure to the drill tools . a kelly bar consist of 2-5 telescopic sections with a system drive keys and lock recesses, welded onto their outer surface. Standard kelly bars are fabricated with a total of 6 drive key on each sections.
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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 and mud sand .
Our company 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.
Over the years we focus on research and development of the production of kelly bars, drill tools, with complete kelly bars fabriction and testing equipments, as well as we own professional research , design, sales and after-sales service team. Our company has a number of self-developed patented products, matched with domestic and abroad brands such as SANY, CRRC, XCMG, Bauer, Soilmec, IMT and other brand rigs , exported to Southeast Asia, the United States, Russia, the Middle East and other countries.
Why choose our company ?
Ans.:
1.With more than 17 years experience of manufcaturer kelly bars and piling tools.Own the advanced manufacturer facilities,robot welding and mature working team whcih can make our products more durable and high quality .
2.We use super quality seamless steel pipe material, which makes the kelly bar light weight, high vertical, high wear resistance. our kelly bar with competitive and reasonable price.
3.We own two factories ,one is focus on kelly bar manufacture a.another one is foucs on drilling tools and casing.And own two big stocks ,one stock located in Beijing near airport and Tianjin Port ,another stock located in Shandong near Qingdao port,which can supply timely and efficient delivery of goods.
4.We can supply the oversea after-sale service available . Now our professional maintenance technology ,competitive price and good service have gotten support from domistic and abroad clients' support.
