Active Member
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[China]
Address: Fengyubei Road, Liu yang High-tech Industrial Development zone, Changsha, Hunan, China
Contact name:Xie
Changsha Chaojingang machinery manufacturing CO., Ltd |
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DTH drill pipes play a big role all told DTH drilling, regardless of application, rock type, hole depth or drilling rig. The key options of a prime quality DTH tube are durability, accuracy and manageableness. DTH drill pipes are made of superior alloy and both thread ends are friction welded to the seamless steel pipe.The high pressure is delivered to DTH hammer by DTH drill pipe, at the same time it transfers the rotation and press force to the DTH hammer.
Product specifications:
| 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 | |
Applications
Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.
We can also provide related products DTH hammers, ODEX system,
symmetrix systems, slide block drilling systems, etc and DTH
drilling pipes for various thread API REG, API IF, BECO, etc
Our Services
1. We will keep track of each customer to get the feedback of product quality and service. And we will make an amendment according to your feedback.
2. If the product size is wrong, we will send the right one freely.
3. We guarantee the high quality. Please feel free to contact us if you found any damage. We will solve the
problems ASAP.
4. We can provide product repair services.
The optimal price, the best quality, the fastest speed, the best service.Your every piece of advice to us we
will be very seriously treatment. If you have any suggestion to us, please surely tell us by mail in a timely
manner You are not just a visitor, but our partner in common progress.
Sincerely hope to cooperate with you.
