Company Information

Why you choose us? 1. Seasoned R&D and Manufacturing Terms With 15 years of professional experience in Kelly bar design and manufacturing. KR Drilling is capable of providing overall construction solutions and designing customized high quality Kelly bar based on various drilling conditions that the customers encounter. If you require any assistance or would like to discuss this further, warmly welcome visit us! Our KR Drilling team is always around for full-range service and support. If you require any assistance or would like to discuss this further, please don’t hesitate to contact m 2. Top Quality Raw Materials The raw materials o f steel pipes we use are supplied by the best manufactures in China with CE certifications. Our Kelly bars are made of high strength alloy-steel tubes with high torsional and compressive strength which will meet the strict requirements for drilling in hard formations. 3. More Life Out of our Wear Parts The key components such as drive keys, locking recesses are made of high strength and wear-resistant materials with special heat-treatment that would help to improve the life of these parts. The internal drive keys are made of high strength and wear-resistant steel plate. These welded components also undergo special heat treatments. It not only improves the drive keys wear resistant properties, but also the welding properties.

B.KR Drill is one of the leading manufacturers in China dedicated to providing high quality Kelly bars for piling rigs. We have been supplying top quality aftermarket Kelly bars and accessories for rotary drilling rigs of most domestic and international brand names. The friction and interlocking Kelly bars we supplied range from outer diameter of 355mm (13.2″) to 630mm(25″), from 3 sections to 6 sections, for internationally renowned brands including Bauer. Soilmec, IMT, Casagrande, Liebherr, Mait, Sany, XCMG, Zoomlion, Sunward,etc.