Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
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API Standard DTH Drill Pipe For Water Well Drilling
Description
• High grade steel used on thread area and main drill pipe body
• Automated welding process used in joining the thread area and main drill pipe body
Application
• Underground mining
• Quarry benching operations
• Water well drilling
| Outer Diameter (inch) | Outer Diameter (mm) | Wall thickness (mm) | Thread Pin/Box | Length (m) |
| 3” | 76 | 6~8.5 | API 2 3/8” reg | 1m-9m |
| 3.5” | 89 | 6.5~8.5 | API 2 3/8” reg | 1m-9m |
| 4” | 102 | 6.5~8.5 | API 3 1/2” reg | 1m-11m |
| 4.5” | 114 | 8.5~10 | API 3 1/2” reg | 1m-11m |
| 5” | 127 | 8.5~10 | API 3 1/2” reg | 1m-11m |
| 6” | 152 | 8.5~10 | API 4 1/2” reg | 1m-6m |
| 7” | 178 | 10 | API 4 1/2” reg | 1m-6m |
| 7 | 178 | 12.7 | API 4 1/2” reg | 1m-6m |
The other specification drill pipes are available upon request.
API Reg,API IF, BECO, DIBH, Cubex thread can also made as customer required.