Q345B Drill Depth Forging Kelly Bar 53m Rotary Construction Machinery

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.

Products description

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.