Piling Tools

Interlocking Kelly Bar

Product description:
INQUIRY

Kelly Bar is the key part of a drilling machine,and its quality directly affects the whole machine based on the rich maunfacturing experience and by absorbing the advanced technology both at home and board,we can produce first-class kelly bars which can be matched with drilling rigs of Bouer,Sany,Soilmec,MAT ,IMT,Casagrande,etc.

The Features of AULONE kelly bar are as follows:

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

2.Equipped with advanced processing facilities .processing technic and manufacturing equipments, AULONE kelly bar enjoys a low weight,high strength,high straightness of single bar,thinner tube,smaller inter-tube distance and good 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.

Material details as below:

First section :16MN(Q345B) ;

Second section:16MN (Q345B) ;

Third section:27 SiMn;

Forth section:35 CRMO

There are mainly two types of kelly bars:

1.Friction Kelly Bar 2.Interlocking Kelly Bar

Interlocking kelly bars are used with pilling rigs for drilling in dense sand, gravel and weak to strong rock. The interlocking kelly bars 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.

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