Extension Drill Rod Overview
This extension drill rod is round with a diameter of 39 mm. Both ends of the extension drill rod are T35 threads, with one end being a T35 female thread (also called T35 internal thread) and the other end being a T35 male thread (also called T35 external thread).
This extension drill rod is available in lengths of 1.22 meters, 1.525 meters, and 1.83 meters for users to choose from.
Technical Information
- Extension drill rod length: Available in 1220 mm, 1525 mm, and 1830 mm
- Drill bit extension rod specification: Female T35, round 39 to male T35 thread
- Weight: Ranges from 10.4 kg to 15.3 kg (specific values are available in the table)
- Material: High-strength alloy structural steel, 23CrNi3Mo
- Manufacturing process: Full carburizing process, high-frequency treatment, and phosphating process