ROSCHEN GROUP
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DTH Drill Rods 3 1/2" For Down The Hole Drilling
API REG Thread 2 3/8", 2-7/8", 2-7/8" IF ,
3 1/2" DTH Drill Pipe Drill Rods for Down The Hole Drilling
API Thread Drill Pipe is same meaning with API Thread Drill Rod
It is also be called API Reg Thread Drill Pipe
Standard DTH drill pipe:
| DTH drill pipes specifications | ||||
| Outer diameter | Thread | Wall thickness mm | Length mm | |
| mm | inch | |||
|
76 |
3 | API 2 3/8 REG API 2 7/8 REG API 3 1/2 REG API 4 1/2 REG API 2 3/8 IF API 2 7/8 IF API 3 1/2 IF API 4 1/2 IF BECO 3 1/2" | 4.0 6.3 | 1000-6000 |
|
89 |
3 1/2 | 4.0 6.3 8.8 | 1000-6000 | |
|
102 |
4 | 6.3 8.8 | 4000-6000 | |
|
114 |
4 1/2 | 6.3 12.5 | 4000-9000 | |
|
127 |
5 | 6.3 12.5 19 | 4000-9000 | |
|
133 |
5 1/4 | 6.3 12.5 19 | 4000-9000 | |
|
140 |
5 1/2 | 8.8 12.5 19 | 4000-9000 | |
Product Description:
Down the hole drill pipes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. Roschen DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe. The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.
Roschen can produce various types of non-excavation drill pipe, water well drill pipe, Exploration Core drilling drill pipe, DTH drill pipe, petroleum drill pipe, geological drill pipe, anchor drill pipe, 100B DTH drill pipe 50 drill pipe friction welding drill pipe, all our drill pipe produced by friction welding.
