The drilling rig Kelly bar is the key part of a drilling machine, and its quality directly affects the performance of the whole machine. The main purpose of kelly bar is to transfer the torque of rotary drive and crowd pressure of the crowd system to the drilling tool. There are two types of Kelly bars: Interlocking Kelly Bar and Friction Kelly Bar.

Friction Kelly Bar

Friction Kelly BarFriction Kelly bars are used with piling rigs for drilling in silt, clay and less dense sand and gravel...

Interlocking Kelly Bar

Interlocking Kelly BarInterlocking Kelly bars are used with piling rigs for drilling in dense sand and gravel and weak to strong rock...

  • What is our competitive advantage? +

    Strict quality management, Low price, Good service ideas and Good professional knowledge. Based on the chinese continually developing large machinery industry and market.
  • How to make a good enquiry? +

    Please send more details as you can. For example, if you need the drill bits. Please let us know what size of drill bit do you need? what is the IADC of drill bit you need? what is the quantity you need? which kind of formation is the drill bit for?
  • Does a low price mean good value + bad quality? +

    Though almost each type of our products has different quality grades, they all are of reliable quality. You are invited to request for samples to check whether they can really suit your needs. As items in various quality grades have different prices and also the costs are not constant, it's
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Contact Info

If you would like to be a reseller of our products, please contact us.

Address: Ningxiang Economic Development Zone, Changsha, Hunan, China, 410618

Telephone: 86-769-89806066

Skype: yeboxcom 

Email:  Ms.Alice