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Swivel for Interlock Kelly Bar and Friction Kelly Bar
Swivel for Interlock Kelly Bar and Friction Kelly Bar

Swivel for Interlock Kelly Bar and Friction Kelly Bar

Different name:Kelly bar for rotary drilling rig
Main application:deep foundation drilling;
Core specification parameters:interlock type, telescope kelly
Applications:Kelly bar, rotary drill rig, drilling rig, Deep foundation engineering, bored piling, Drilled shafts, cast-in-drilled-hole piles, Civil engineering, Infrastructure, building, bridge, high-speed railway etc.
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Kimdrill offers a wide range of accessories for Kelly Bar like swivel, bearing, spring, rubber ring, kelly box, pallet, kelly guide and so on. 

Swivel is the key part to connect with the main rope and the kelly bar. It will lift the Kelly bar up when withdraw the rope and lower the Kelly bar when release the rope. 

The main features of our swivels are as following 

  1. The outside material of swivel is high-quality steel to make sure the good mechanical performance and wear-resistant. 

  2. The seal is reliable and durable without the risk of oil leaking, which also keep the mud outside.


0.75 tons, 1.5 tons, 3 tons, 5 tons, 8.5 tons, 10 tons, 15 tons, 25 tons

Package and Delivery:

Wooden Case by Sea or by air.

Place of Origin:Made in China
Model:3 tons, 5 tons, 10 tons, 15 tons, 25 tons
Material:Steel and bearing
Compatible with:Interlock Kelly Bar, Friction Kelly Bar, drilling rig
Certification:ISO 9001/ COC/PVOC
Minimum Order Quantity:1 set
Packaging Details:Wrapped with plastic film.
Delivery Time:7 working days
Competitive Advantage
  • Top quality raw material

  • With reliable and durable performance

  • With rich experience of manufacturing and exporting

  • Familiar with the rotary drilling rig in difference brand and model


drilling rig swivel

kelly box

swivel production

wooden case


1. What is the swivel of a Kelly bar?

The swivel of a Kelly bar is a crucial component in rotary drilling rigs, acting as a connector between the Kelly bar and the drilling tool, enabling rotational force transfer while allowing vertical movement.

2. What is the primary function of the swivel?

The swivel allows the Kelly bar to rotate independently of the drilling tool, which is essential for the drilling process.

3. How is the swivel designed to withstand drilling conditions?

It is designed to handle high torque and axial loads, incorporating bearings and a sealing system for smooth operation and protection against contaminants like dirt and drilling fluid.

4. How does the swivel connect to the Kelly bar and drilling tool?  

It connects to the top of the Kelly bar and has a linkage or coupling mechanism to attach the drilling tool, ensuring a robust and secure connection.

5. Why is flexibility important in a swivel?

Flexibility in the swivel is necessary to accommodate slight misalignments between the drilling rig and the Kelly bar during drilling operations.

6. What materials are used to make the swivel?

Swivels are typically made from high-strength, durable materials to resist wear and tear in harsh drilling environments.

7. How is the swivel maintained?

Regular maintenance, including lubrication and inspection, is essential to ensure the longevity and proper functioning of the swivel.

8. Does the swivel need to be compatible with specific types of Kelly bars and rigs?

Yes, it's important that the swivel is compatible with the specific type and size of the Kelly bar and drilling rig for efficient and safe operations.

9. Can the swivel of a Kelly bar be replaced if damaged?

Yes, if the swivel is damaged or worn out, it can be replaced, but it's important to use a compatible replacement to maintain the effectiveness and safety of the drilling operation.

10. Are there different types of swivels for various drilling needs?

While the basic function remains the same, swivels may vary in size, capacity, and specific design features to suit different drilling requirements and conditions.