Interlocking kelly bar 

Interlocking Kelly bar contains two type pressure modes: one type is 3 or 6 external keys with 3 or more concave pressure parts, the other is 3 external pressure strips with full pressure parts on it, which mostly matched IMT drilling rig. and the advantage of transfer pressure easily and better anti-torque capacity. It’s suitable for both like dense sand and gravel or weak to strong rock.

   Note: Paragram is only as reference, adjusted can be according to actural demand.

Friction kelly bar

Friction Kelly bar is composed 3 or 6 wear-resistant seamless alloy strips by working through friction produced by rotary passing down the pressure force without concave pressure point. This type is suitable for both soft layer and silt layer.

  Note: Paragram is only as reference, adjusted can be according to actural demand.

Beijing JieTai Machinery Technology Co., Ltd. has been supply one-stop service for drilling rigs from 2004 year, which specialize in producing Kelly Bar & Accessories for rotary drilling rig, As well as Selling and Maintenance of used drilling rigs.

 Why You Choose Our Kelly Bar ?

a). Material & Techinical--- 35 CrMo/27SiMn high alloy seamless steel pipe under quenched-tempered heat treatmet

b). Gold supplier on Alibaba with Trade Assurance to promise quality & delievery. 

c).  Professional experienced R&D department, strictly QA & QC development.

d).  Feedback within 24 hours from professional consultors.

e).  Higher hardness, higher flexibility, excellent welding properties.  

f).  Thinner tube, smaller inter-tube distance, good abrasion resistance. 

g). Advanced technology of 6-key design, standard modular design

1. Q: what do you do?        

A: Kelly bars & Accessories for rotary drilling rig; Maintenance & Repair drilling rig; Sell used drilling rig.

2. Q: Where is your factory?

     A: The capital of China---Beijing, welcome your visit to our factory.

3. Q: What should I tell you in order to get efficient reply of Kelly bar?

     A: The model of drilling rig, the depth you need, the out diameter of Kelly bar.

4. Q: How long does the delivery date?

     A: About 7-10 days.