Telescopic Kelly bars transfer torque and crowdforce from the rotary drive to the drilling tool.Hong Xiang Technologies could design and produce interlocking and friction Kelly bars for variety of drilling machines.The high quality steels and components together with quality system ISO 9001 make our Kelly bars have the highest reliability.

Main features of our Kelly bars:

2 to 6 elements telescopic Kelly bars for construction.

A depth range is from 10mto 110m

Torque transfers capacity from 80kNm to 500kNm

Interlocking Kelly bars

Friction Kelly bars

High quality seamless steel pipes

6 cams and drive ribs made of special steel materials

Top flange for connecting Kelly bar to Kelly swivel

Upper and lower spring shock absorber

Drive pipe that transfers torque and crowd force to the Kelly bar

Standard and custom square Kelly box for connecting alltypes of drilling tools

HongXiang Technologies could make all the kind of Kelly bars according to customers’ request.

Quality Creates the Depth!