Hydraulic Drilling Tools Seamless Steel Sr150 Sr200 Kelly Bar
1. Material: Q345B or 35CrMo
2.Type: Interlocking kelly bar, friction kelly bar, combined interlocking and friction kelly bar, square kelly bar etc customized as per requirement
3.Application: Suit for international CFA rigs as Bauer, Soilmec, Mait, Casagrande etc other brand piling rigs;
4.Customer Feedback: Applied on various drilling rigs and highly praised by domestic and abroad customers
