High Quality for 6 Dth Hammer - Well Drilling Pipe – TDS
High Quality for 6 Dth Hammer - Well Drilling Pipe – TDS Detail:
Drill pipes are widely used in mining,geological exploring and all kinds of drilling(water,oil,gas,etc) projects.As a leading drill pipe manufacture,we make all kinds of standards and non-standard drill pipes for our customers. Our drill pipes including steel drill pipe,mining drill pipe,water well drill pipe,oil well drill pipe,API drill pipe,DTH drill rod,wireline drill rod,etc.
The key features of a high quality DTH tube are durability, accuracy and manageability.
Drill Pipe :
1.Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer.
2.Pipe body’s material is the same grade as Sandvik.
3.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .
4.Friction welding .
Standard DTH drill pipe:
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm;
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;
Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG,
2 3/8 API IF, 3 1/2 API IF
Size | Nominal mass Lb/ft | Calculated weight type | Wall thickness | |||
in. | mm | lb/ft | kg/m | in. | mm | |
2 3/8 | 60.3 | 6.65 | 6.26 | 9.32 | 0.28 | 7.11 |
2 7/8 | 73 | 10.4 | 9.72 | 14.48 | 0.362 | 9.19 |
3 1/2 | 88.9 | 9.5 | 8.81 | 13.12 | 0.254 | 6.45 |
3 1/2 | 88.9 | 13.3 | 12.31 | 18.34 | 0.368 | 9.35 |
3 1/2 | 88.9 | 15.5 | 14.63 | 21.79 | 0.449 | 11.4 |
3 1/2 | 88.9 | 15.5 | 14.63 | 21.79 | 0.449 | 11.4 |
4 | 101.6 | 14 | 12.93 | 19.26 | 0.33 | 8.38 |
4 1/2 | 114.3 | 13.75 | 12.24 | 18.23 | 0.271 | 6.88 |
4 1/2 | 114.3 | 16.6 | 14.98 | 22.31 | 0.337 | 8.56 |
4 1/2 | 114.3 | 20 | 18.69 | 27.84 | 0.43 | 10.92 |
5 | 127 | 16.25 | 14.87 | 22.15 | 0.296 | 7.52 |
5 | 127 | 19.5 | 17.93 | 26.71 | 0.362 | 9.19 |
5 | 127 | 19.5 | 17.93 | 26.71 | 0.362 | 9.19 |
5 | 127 | 25.6 | 24.03 | 35.79 | 0.5 | 12.7 |
5 | 127 | 25.6 | 24.03 | 35.79 | 0.5 | 12.7 |
5 1/2 | 139.7 | 21.90 | 19.81 | 29.51 | 0.361 | 9.17 |
5 1/2 | 139.7 | 24.70 | 22.54 | 33.57 | 0.415 | 10.54 |
Product detail pictures:



Related Product Guide:
Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for High Quality for 6 Dth Hammer - Well Drilling Pipe – TDS , The product will supply to all over the world, such as: Russia, Netherlands, Jeddah, we are sincerely hope to establish one good long term business relationship with your esteemed company thought this opportunity, based on equal, mutual beneficial and win win business from now till the future.

The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
