Home  >  Construction Machinery  >  Construction Machinery Parts

1. Interlock Kelly bar, 2. Durable steel material, 3. Applied to the hard and soft layer, 4. Kelly bar for Bauer - details see: https://www.machineto.com/bauer-type-interlocking-kelly-bar-10090707

Interlocking Kelly bars are used with piling rigs for drilling in dense sand and gravel and weak to strong rock. The Interlocking Kelly bars manufactured by Unimate can be fully locked by mechanical locking system on each section. Kelly bars can be equipped with specially designed springs or pressure plates for shock absorbing purpose.

Please see below chart of some of our standard productions for Interlocking kelly bars:

*Other sizes can be manufactured as per customer demand

The features of UNIMATE Kelly bar

• Adopt the advanced technology of 6-key design in the world and standard modular design.

• Equipped with advanced processing facilities, workmanship and manufacturing equipments, UNIMATE kelly bar enjoys a low weight, high strength, high straightness of single bar, thinner tube, smaller inter-tube distance and good abrasion resistance.

• The raw materials are either imported from Germany like the high abrasion resistance materials, or from Chinese top manufacturer such as the seamless steel tube with alloy. All the tubes made in China are specially made seamless alloy tube, which guarantees the accuracy of the sizes, location, physical properties and easy welding. The small-diameter tubes undergo reheat treatment. The friction kelly bar can be used under full torque.

• All the outer keys have undergone special heat treatment; therefore, they possess higher hardness, higher flexibility and excellent welding properties, which provide higher abrasion resistance to the keys.

Enterprise Culture:

Our Mission	Improving the level of foundation construction technology
Our Vision	UNIMATE will be a hi-tech company, an international company, a respectful company.
Our Spirit	To be the best or nothing

Company Profile:

Main Products	Drilling rig	drilling buckets	drilling augers	casings
	drilling bits	cutter teeth	kelly bars	anchorage

UNIMATE Heavy Industry Co., Ltd. is an advanced technology company dedicated to the R&D, manufacture and trade of various drilling tools, attachments and spare parts.

By depending on a group of engineers and skilled workers with years of experience in foundation drilling engineering and construction design, our products have reached the advanced level in China in terms of the technology and quality as well.

With the latest production facilities and factory, we have completed the designs of drilling tools, attachments and construction methods in many large-scale and complicated foundation projects such as Wuhan-Guangzhou High Speed Railway, Shanghai-Kunming High Speed Railway and Changsha subway, which has helped us to win a good reputation among our clients with excellent products and services.

UNIMATE highly focuses on international cooperation and communication. Till present, our products have been exported to many different countries and regions such as Germany, Singapore, Turkey, Russia, Middle East and South America.

Welcome you to visit our factory!

Factory Show:

Office Show:

Exhibition Show:

Patents:

UNIMATE granted 7 patents by CHINA State Intellectual Property Bureau and awarded patent certificates in 2013. Currently, Unimate already enjoys a leading position in the field of China drilling tools, which means Unimate R&D work reaches a new level. Unimate will continue to lead a trend in domestic drilling industry with its advanced technologies.