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Tapered Threaded Drill Rod Drill HW NW BW Type with Through Wall
Description:
This kind of drill rod is especially suitable for the geological, hydrological, coalfield, geothermal and engineering drilling. We provide seven kinds of geological drill rods in different diameters for customers around the globe: Φ44.5, Φ54, Φ67, Φ89, Φ42, Φ50, and Φ60.
It is mainly comprised of rod body and joint. And all of its raw materials have ISO9001: 2000 certificates. And it is cost-effective and wear resistant, and its service life is quite long.
Regarding its packing, there are two different ways: first, it can be bundled by iron belt. There are 37 per bundle, and each bundle is packed by 5 iron belts. Second, it can be packed by slotted steel framing. There are 30 to 50 per bundle, and each bundle need one frame.
Features:
1. high quality alloy tube
2. thin-wall heat treated tube body
3. consistent concentricity, straightness
4. tapered thread
Technical Parameters:
| N | Size | Drill rod | Thread type | Raw material | |
| OD mm | ID mm | ||||
| 1 | AW | 44.5 | 34.1 | DCDMA Standard | 45MnMoB R780 |
| 2 | BW | 54 | 44.5 | ||
| 3 | NW | 67 | 57 | ||
| 4 | HW | 89 | 77.8 | ||
| 5 | Φ42 | 42 | 32 | China GB standard | R780 |
| 6 | Φ50 | 50 | 39 | R780 | |
| 7 | Φ60 | 60 | 48 | R780 | |
