Kelly bar for rotary drilling rigs

(1) We supply kelly bars for a torque range of 100-400 kNm and in lengths up to 70 m.
(2) High-grade materials and special welding guarantee a high durability and wear resistance of
our kelly bars.
(3) We individually adapt our kelly bars to your drilling and rotary power head.
(4) All kelly bars are available as friction and interlocking version.
(5) Our kelly bars transfer the maximum torque over the full extended length.
(6) High strength steel tube material is picked and heat-treated to arrange production, which enables the Kelly bars to work well under maximum torque of the torque output.
(7) Kelly keys and guides inside Kelly joints are made in highly wear-resistant material for a prolonged maintenance time.
(8) Special toolings are set up to ensure the straightness of tubes during welding process.

Kelly bar for rotary drilling rigs