kelly bar->drilling machine

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Unimate Heavy Industry Co., Ltd

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kelly bar

Category :

Machinery on-line->Woodworking Machine->drilling machine

Product Specification

Model No:	1

Country	CN
Brand	unimate
Materials	drilling machine
Minimum Order	1

Product Detail

Kelly Bar

Type: Interlocking Kelly Bar

Sections: 3,4,5

Material: 1st-2nd sections: Q345B;3rd-4th sections:27SiMn or 35CrMo

Application: used with piling rigs for drilling in dense sand and gravel and weak to strong rock

The features of UNIMATE kelly bar are as follows:

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

2-Equipped with advanced processing facilities,processing technic 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.

3-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,which strength is up to 800kg level. The friction kelly bar can be used under full torque.

4-All the outer keys have undergone special heat treatment.Therefore,they possess higher hardness,higher flexibility ad excellent welding properties,which provide higher abrasion resistance to the keys.


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