Description
VOLGABURMASH AIRJET open bearing drill bits with side air-flush are designed for drilling blast holes blown down with air or air and water mixture.
This product line has both friction bearings (for bit sizes 130,2 - 158,7 mm) and roller bearings (for bit sizes 158,7 - 393,7 mm).
The bits provide high performance results due to using reliable bearings, cutting structure and body protection elements.
Specification
| Product Line | AirJet |
| Manufacture | Volgaburmash |
| Diameter (mm) | 171,4 |
| Diameter (inch) | 6 3/4 |
| IADC available | 512XY, 522Y, 612X, 632Y, 622Y, 722Y |
| Connecting thread API | Pin 3 1/2 Reg |