T51 Series Extension Drill Rod
The T51 series extension drill rod achieves a balance between a hard, wear-resistant surface and a tough, shock-absorbing core through advanced carburizing heat treatment technology, significantly improving fatigue resistance.
T51 Extension Drill Rod Specifications
- Male thread (external thread) T51 round 52 mm to male thread (external thread) T51.
- Female thread (internal thread) T51 round 52 mm to male thread (external thread) T51.
- Female thread (internal thread) T51 round 76 mm and 87 mm to male thread (external thread) T51 guide tube.
Technical Information of T51 Extension Drill Rod
- Length: 3660 mm, 4265 mm, 4877 mm, 6095 mm, etc.
- Weight: Range from 50.8 kg to 88.8 kg.
- Material: High-strength alloy structural steel, 23CrNi3Mo
- Manufacturing Processes: Forging, full carburizing, high-frequency treatment, and phosphating.