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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | DCDMA A, B drill rod |
DCDMA A Rod 3 meters Length with 3 TPI thread per inch for exploration core drilling
Our drill rods are all manufactured by CNC machines. They're made of high quality alloy steel(XJY850, the best steel in China now) with heat-treated. We also can produce various sizes of casing tubes.
DCDMA “A” Rod – Available from ROSCHEN with threaded, field-replaceable couplings and is completely compatible with your existing tools strings.
Simply specify your desired Rod length when ordering
| A-Series Drill Rod Assembly Length | Outside Diameter | Inside Diameter | Threads Per Inch | Assembly Weight | Assembly Part No |
| 1-Foot (305mm) | 1-5/8-inch (41mm) | 1-1/8-inch (29mm) | 3-TPI | 4-Pounds (1.8 kg) | 27026 |
| 2-Foot (610mm) | 1-5/8-inch (41mm) | 1-1/8-inch (29mm) | 3-TPI | 8-Pounds (3.6 kg) | 27027 |
| 3-Foot (914mm) | 1-5/8-inch (41mm) | 1-1/8-inch (29mm) | 3-TPI | 12-Pounds (5.4 kg) | 27028 |
| 5-Foot (1.5m) | 1-5/8-inch (41mm) | 1-1/8-inch (29mm) | 3-TPI | 20-Pounds (9.1 kg) | 27029 |
| 10-Foot (3.1m) | 1-5/8-inch (41mm) | 1-1/8-inch (29mm) | 3-TPI | 40-Pounds (18.1 kg) | 27030 |
| wireline diamond core drilling pipe DCDMA standard Specifications | |||
| Decription | OD(mm) | ID(mm) | Weight(Kg/3m) |
| Rod, BQ 3.0 m Enhanced | 55.5 | 46 | 18 |
| Rod, NQ 3.0 m Enhanced | 69.9 | 60 | 24 |
| Rod, HQ 3.0 m Enhanced | 88.9 | 77.8 | 35 |
| Rod, PQ 3.0 m Enhanced | 114.3 | 101.6 | 52.6 |
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