Kelly bars are key components in the execution of boreholes by hydraulic rotary drilling rigs. Telescopic Kelly bars transfer torque and crowd force from the rotary drive to the drilling tool. ANICO INTERNATIONAL is a highly specialized manufacturer of telescopic Kelly bars to be applied to any type of piling rig available in the market. Based on functionality, Kelly bars are classified into two major types.

Interlocking Kelly bar

Interlocking Kelly Bars are used with piling rigs for drilling in dense sand and gravel and weak to strong rock. The Interlocking Kelly bars can be fully locked by mechanical locking system on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.

Outer Diameter    : Ranges from 254 mm to 558 mm
Sections               : 3 | 4 | others on request
Depth                   : As per requirement

Friction Kelly bar

Friction Kelly Bars are used with piling rigs for drilling in silt, clay and less dense sand and gravel. The friction Kelly Bars are un-lockable with drive keys on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.

Outer Diameter    : Ranges from 254 mm to 558 mm
Sections               : 4 | 5 | others on request
Depth                   : As per requirement

*Customized sizes also available based on request.
Kelly bars are featuring specific construction details:

2 – 5 fold telescopic construction for a depth range from 15 – 100 m

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