sany rotary piling machine sr 220 interlocking kelly bar, drilling rig friction kelly bar

 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.

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.

Kelly bar Accessories

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 technology.  

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

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

 1. Q: what's Material&Technology of kelly bar?

    A:  35 CrMo/27SiMn high alloy seamless steel pipe under quenched-tempered heat treatmet

2. Q: What's your delievery time?

     A: 7--10 working days.

3. Q: What's your Guarantee Period of kelly bar?

     A: One Year Under normal service.

4. Q: What's your payment Tems?

     A: 30% T/T as advance deposit, 70% balance before shipment.

5. Q: Where your factory location?

     A: Beijing in China, We welcome any visit and agency dealer cooperation!!!