Audited Supplier
NTW HTW
API
3m 1.5m
Coal Mining
High Manganese Steel
Dcdma, Cdda, BS, ISO, Xjy850, 30crmnsia.
Btw Htw Ntw Nq Hq Pq
Xingtan
by Sea
NQ BQ HQ PQ
China
84314320
Product Description
1. We manufacture a range of high quality tubular products from high tensile cold drawn and hot finished seamless steel tubes.
3. The drill rod adaptor and both thread ends with heat treatment process, the whole pipe with hardening and tempering, which made the drill rods are more durable and have a longer service life;
4. We Supply Wireline Drill Rods, from AQ, BQ, NQ, HQ, PQ, S75, Parallel Threaded Drill Rods, DCDMA Sizes AW, BW, NW, HW, and Tapered Threaded Drill Rods, DCDMA Sizes AWJ, BWJ, AWY, BWY, NWY and Metric sizes 42mm, 50mm, 60mm, 70mm, 90mm.
- Drill rod
- Impregnated diamond core bits
- Surface set diamond bits
- Casing rod, casing shoes and casing bits
- Reaming shells
- Coring PDC bits
- Non-coring PDC bits
- Core barrel assembly and overshot
- drilling accessories include: inner tube, outer tube, locking coupling, adaptor coupling, inner tube stabilizer ring, landing ring, stop ring, etc.
- Other customized exploration core drilling tools&parts
| Size | Outer Diameter (mm) | Inner Diameter(mm) |
| AQ | 44.7 | 37.3 |
| BQ | 55.7 | 46.1 |
| NQ | 70.0 | 60.2 |
| HQ | 89.0 | 78.0 |
| PQ(PHD) | 114.5 | 101.5 |
| BTW | 56.3 | 48.0 |
| NTW | 73.3 | 64.0 |
| HTW | 91.3 | 81.0 |
| AW/AWJ/AWY | 43.7 | 30.7 |
| BW/BWJ/BWY | 54.0 | 38.0 |
| NW/NWY | 66.8 | 51.0 |
| HW | 89.0 | 71.0 |
| 42mm | 42.0 | 30.0 |
| 50mm | 50.0 | 37.0 |
| 60mm | 60.0 | 48.0 |
| 70mm | 73.0 | 54.6 |
| 90mm | 89.0 | 69.0 |
| S75A | 71.0 | 60.0 |
| S95A | 89.0 | 78.0 |
| S110 | 110.0 | 98.0 |
| S130 | 129.0 | 117.0 |
