- MKA Kelly bars have high-grade materials and special welding guarantee a high durability and wear resistance.
- Our kelly bars have advantage for the super hard rock formation and for large torque roatary drilling rigs.
- The key components are made of high quality steel, through special heat treatment and surface painting, with better performance in large torque, large diameter and ultra-deep drilling.
- We can adapt our kelly bars to your drilling and rotary power head.