Heavy Duty DTH Drill Pipe For Hard Rock Drilling Equipment Alloy Steel Material
Drill pipes that are used in applications such as DTH/ DTHR/ DR basically comprise of a steel pipe with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to down hole drilling tools.
According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice versa.
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 |
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
Package:
Using plywood cases and pallet for seaworthy to protect products and avoid the damagement during transportation by sea. Using cartons and plywood cases for air worthy to less the weight and save the freigth. Also we can customize package according to your special requests. Special mark is available.
Production time:
3-4 weeks after received payment in advance.
Transportation:
By air, by Express or by sea according to your requests.
FAQ
1. The Quality of Drill bit?
We have many series of rock bits,quality grades are different,and prices are different.We believe,the proper tools with higher cost-performance isthe most impormant.For example,our top quality rock bits is not cost-effective for water well drilling,as the water well drilling machine can not drive the super rock bit to perform their best.but for very deep well drilling high quality gradesrock bits is cost effective even its price is much higher.So it is better tell us as more as possible the details of projects,then we provide the proper solutions and offer,usually 2 or 3 solutions wil be provided for options.
2. How to send inquiry?
It is better send us detailed specificaltions of products,it is better attaching some photos for better understanding.If you are not experienced on drilling fields,for example,many customers don't know IADC code,please feel free,jusst tell us the applications like oil/gas/geothermal/HDD/ware/mining,depth of well,average hardness of rocks,then we will advise suggestions and solutions.
About Us
Changsha Chao Diamond Machinery Manufacturing Co., Ltd. is a modern high-tech enterprise specializing in research and manufacture of rock drilling machinery and pneumatic tools in China. The company has rich scientific research and production experience, using the best raw materials, advanced production technology and rigorous testing methods, to produce products with superior performance and stable and reliable quality. "Super Diamond" brand rock drilling and pneumatic series products are sold well all over the country due to their superior performance, stable and reliable quality. They have been exported in batches to more than 20 countries and regions, such as Korea, Brazil, Australia and South Africa, and are well received by users.
The company is located in Liuyang, Changsha, a beautiful fireworks city. It covers an area of 26600 square meters. Its production plant covers 22,000 square meters. It has nearly 100 employees, 26 engineers and technicians, and 8 senior engineers. There are nearly 400 sets of professional equipment for research, manufacture and testing of rock drilling machinery and pneumatic tools. The company develops and manufactures the most advanced positive and negative circulation DTH impactors; reverse circulation impactors; various positive and negative circulation DTH drills; eccentric follow-up pipe drilling tools, centerline follow-up pipe drilling tools, slider type follow-up pipe drilling tools, double follow-up pipe drilling tools for follow-up drilling in overburden and loose rock strata; various thread drills; It is widely used in earthwork engineering, mining, water well engineering and construction engineering, geothermal drilling, municipal engineering and other fields.Adhering to the spirit of excellent innovation, the company provides high-quality products, advanced technology, comprehensive service, the pursuit of customer-centered, quality-oriented, to provide overall rock drilling solutions as the development goal, sincerely hope to work with old and new friends to win-win and create a better tomorrow.
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