Frictional Kelly Bar OD580-6*20m
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.
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.
