Fully Interlocking Kelly Bars For Drilling Rig Oem Interlocking Column

The kelly connected to the pile is used for drilling sand and gravel.

Full lock kelly used with piling rigs for drilling gravel in silt, clay and sand with lower density.

Friction Kelly is used with piling rigs to drill gravel in silt, clay and sand with lower density.

​The whole set of kelly bar with light weight, high strength, high linearity of the single section, thin pipe wall, small seam
between sections and good wear resistance of internal and external keys, it greatly satisfies the special requirements of rotary
drilling machine.

Strict selection of steel grade to make sure strength at the max torque.

Senior technical experts provide technical support solutions.

Customized solutions according to customer needs.

Company profile

Langfang Yilunkai Group, whose predecessor is Quansheng Machinery Plant (founded in 1992), is established in July, 2006 with 10 million RMB of total registered capital. The Group owns 3 subsidiaries,which is Langfang Yilunkai Foundation& Engineering Co., Ltd,Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd ,andLangfang Yilunkai Mechanic & Electronics Technology Co., Ltd.Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd is blessed with geographical advantage as it is located in the Beijing-Tianjin-Hebei region .It mainly manufactures three series of productions, which are:

A. Rotary drilling tools;

B. casing of casing rotator and Rotary drilling, grab bucket;

C. Rotary drilling kelly bar Currently.