Raw materials:
We choose the best steel tubes in the market to manufacture our drill rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.
Based on the depth of drill bore, WL series wireline core drill rods are classified into A and B grades. A grade drill rod is entire-length or ends thermal processed and B grade drill rod is entire-length processed.
Material:30CrMnSiA or 45MnMoB(A grade), XJY850 or BG850( B grade)
WIRELINE DRILL RODS OFFERINGS
| SIZE | OUTER DIAMETER | INNER DIAMETER | ||
| mm | inch | mm | inch | |
| WL Series | ||||
| NWL | 69.9 | 2.752 | 60.3 | 2.374 |
| BWL | 55.6 | 2.189 | 44.1 | 1.736 |
| HWL | 88.9 | 3.500 | 77.8 | 3.063 |
| PWL | 114.3 | 4.500 | 101.6 | 4.000 |
| HD Series | ||||
| PHD | 114.3 | 4.500 | 101.6 | 4.000 |
Our products are sold all over the world, you can rest assured.
