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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | NQ, HQ, PQ |
DCDMA N-3 and N-4 Rods 1.5,3 meters Length Drill Rods with 3/4 TPI Thread Per Inch
Steel Casing Pipe, also known as encasement pipe, is most commonly used in underground construction to protect utility lines of various types from getting damaged. Such damage might occur due to the elements of nature or human activity.
Our drill rods are suitable to drill deep holes. They are widely used in geological and mineral, metallurgy, mining, oil drilling industries and so on. From drillers' feedback, our rods have drilled up to 2000 meters depth. Roschen has many years experience in manufacturing coring drill rod, we try to provide you the most cost-efficient products.
DCDMA “N-3” and "N-4" Rods
Available from ROSCHEN GROUP LIMITED with threaded, field-replaceable couplings and is completely compatible with your existing tools strings.
Simply specify your desired Rod length when ordering
| N-Series Drill Rod Assembly Length | Outside Diameter | Inside Diameter | Threads Per Inch | Assembly Weight | Assembly Part No |
| 1-Foot (305mm) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 3-TPI | 6-Pounds (2.7 kg) | 27031 |
| 2-Foot (610mm) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 3-TPI | 12-Pounds (5.4 kg) | 27032 |
| 3-Foot (914mm) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 3-TPI | 18-Pounds (8.2 kg) | 27033 |
| 5-Foot (1.5m) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 3-TPI | 30-Pounds (13.6 kg) | 27034 |
| 10-Foot (3.1m) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 3-TPI | 60-Pounds (27.2 kg) | 27035 |
| 1-Foot (305mm) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 4-TPI | 6-Pounds (2.7 kg) | 27036 |
| 2-Foot (610mm) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 4-TPI | 12-Pounds (5.4 kg) | 27037 |
| 3-Foot (914mm) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 4-TPI | 18-Pounds (8.2 kg) | 27038 |
| 5-Foot (1.5m) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 4-TPI | 30-Pounds (13.6 kg) | 27039 |
| 10-Foot (3.1m) | 2-3/8-inch (60.3mm) | 2-inch (51mm) | 4-TPI | 60-Pounds (27.2 kg) | 27040 |
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