JZTG Friction Kelly Bar Drill Telescopic Tailor Made 4-5 Section
Changsha Golden Drilling Machinery co.,ltd is a leader in design,manufacturing and selling of Kelly bar for construction rotary drilling rigs in China & Overseas. Our JZTG brand Kelly bars may be made in friction type and interlocking type, in 3, 4, 5 or 6 elements for all types of foundation rotary drilling rig-sin the market.
We can also supply our worldwide customers with Kelly bars that are ideally tailored to your needs with the highest quality and competitive price. We are confident we would be a vital business partner to your construction drilling needs.
1. Parameter for Kelly Bar
|No||O.Dia(D)mm||Elements(n)||Length(m)||Pressure Form||Drilling Depth(m)||Capable Of Supporting Models|
|1||*299||3,4,5||9~14||Machine lock Friction||24~65||
2. Product main features:
(1) The kelly bar is imported from Germany or adomestic high strength seamless steel pipe manufacture.
(2) All kelly bars are available as friction and interlocking version.
(3) High strength steel tube material is picked and heat-treated to arrange production.
(4) Special toolings are set up to ensure the straightness of tubes during welding process
|Tel :||+86 18890395856|