sales@unikelly.comUNIDRILL kelly bar construction site for residential project in China.
The interlocking kelly bar used in the following construction site is Unidrill 417-3*15.5/interlocking kelly bar.
It has done wonderful job in Shangdong residential project.
What features do a kelly bar manufacturer should have?
The core R & D, processing and production personnel are all from leading enterprises of this industry, with more than ten years of experience in design and manufacturing of kelly bars. We have provided tailor-made kelly bars and technical services for almost all the well-known brand names of rotary drilling rigs both at home and abroad.
Steel pipes used in our kelly bars come from the selected materials made by the first-class steel enterprises at home and abroad. The yield strength and service life are more than doubled compared with the general-purpose products, meeting the rigorous requirements in drilling hard rock and various strata.
The core parts of kelly bars, such as square head, driving keys, and locking recesses, are made of imported steel by special heat treatment and surface strengthening treatment, which not only features high yield strength, wears resistance, impact resistance, strain capacity, welding property and corrosion resistance, but also meets high-reliability requirements of kelly bars in the construction of hard rock, large diameter and super deep piles.
From the strict control of raw materials to multi-layer and multi-step precise welding, we comply with strict quality standards and monitoring systems in all aspects of kelly bar production to ensure 100% high standard quality. We are also the first kelly bar manufacturer in China to provide customers with one-year warranty.
UNIDRILL kelly bar could meet your requirements for all the above, we supply customized Bauer drill rig Kelly bar, Soilmec drill rig Kelly bar, MAIT drill rig Kelly bar, SANY drill rig Kelly bar, XCMG drill rig Kelly bar, etc.
