
Reinforced Threaded Drill Rod for Deep Downhole Mineral Extraction Rigs. Diverse Thread Specifications: Available in R22, R25, R28, R32, R38, T38, T45, T51, St58, and T60 threads. Multiple Color Options: Offered in Red, Black, Yellow, and White to suit various project needs. High-Strength Material: Constructed from premium 23crni3mo D6a carbon steel for durability. Precision Thread Design: Finely processed male and female threads ensure firm locking under heavy loads. Versatile Application: Ideal for underground tunneling, geological survey, and rock anchor drilling. Two Product Lines: Includes extension rods for deep drilling and MF drifter rods for shallow fast drilling. Stable Power Transmission: Effectively transfers impact force and rotational torque to drill bits. Customized Compatibility: Compatible with most standard rock drilling rigs based on specific model and thread size.