Friction, Interlocking Kelly Bar - Drilling tool for Foundation Construction

TOHO Engineering., JSC is specialized in manufacturing and offering full range of Foundation Drilling Tools and Accessories, specially in producing Earth drilling rigs and Kelly Bar.

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Friction, Interlocking Kelly Bar - TOHO Engineering., JSC

With years experienced in foundation engineers and cooperating with famous firms in the world such as Nippon Sharyo, Brevini, Rexroth,etc. TOHO ENG is committed to manufacturing high quality drilling tools and providing one-stop services to all customers. Up to now, our products have built strong position in the market and applied to many famous project in Vietnam as well as exported to many countries such as Japan, Philippines, Laos, Cambodia and Singapore

CHOOSING THE RIGHT KELLY BAR!

Selecting the correct Kelly Bar is the key to building a proper Drive String.

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Design Language

Designed according to advanced Modular-element principle with 4-5 ribs laid on tubes.

High Productivity

The advantages of our Kelly bar, such as low weight, high strength, high abrasion-resistance, high-reliability are safeguarded by technologically superior process, advanced machining equipments and special fixtures.

Diversity

All Kelly bars are available in interlocking, friction and partially lockable version. Length, Kelly stub and Kelly dimension can be on request.

Adaptable

Complete model series and flexible design and manufacture ensure the ability to supply Kelly bar to match with any model of drilling rigs

KELLY BAR ADVANTAGES

- Telescopic Kelly bar with round cross-section, hard and high abrasion resistance, limit the stuck during drilling, such as drilling equipment used to square cross section as Kelly ED4000, ED5500
- High standard steel pipes materials are imported directly from Korea.
- Length of Kelly Bar can be adjusted according to the specific requirements of customers.
- Diameter of Kelly is diversified and consistent with the drill heads.

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Would like to know more?

Kelly bars are key components in the execution of boreholes with hydraulic rotary drilling rigs. They transfer the torque of the rotary drive and the crowd pressure of the crowd system concurrently to the drilling tool.

WHAT IS YOUR PREFERRED KELLY BAR?

FRICTION KELLY BAR

  • 80-250 kNm Torque
  • 300-406 Diameter

INTERLOCKING KELLY BAR

  • 44-90 Depth
  • 3500 - 10300 kg Weight

KELLY DRIVERS

  • 10, 15, 20 tons Swivels
  • D6, D10, D12 Kelly Swings
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