frictional kelly bar combined full interlocking kelly bar interlocking kely bar for rotary drilling rig

 a) Interlocking kelly bar

Interlocking Kelly bar contains two type pressure modes: one type kelly bar is 3 or 6 external keys with 3 or more concave pressure parts, the other kelly bar is 3 external pressure strips with full pressure parts on it, which mostly matched IMT drilling rig.

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

b) 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 kelly bar 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.

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.