Drilling rods are for connection with machine tool, rock-breaking tools fixing, creation of axial load, energy carrier connection, torque transfer and they are used for shot-hole drilling.
Rods have external thread at the ends and internal thread, which are used for fast assembling and disassembling of column. Rod thread has great alternating loads when drilling instrument rotates.
Technical characteristics:
| Length, mm | 2006 |
| Nominal diameter, mm | 114,0 |
| Connecting thread | 3-88 |
| Weight, kg, not more | 66 |
| Compressed air pressure | 0,7-0,9 MPa |
