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 Kimdrill 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