Core drill rods , wireline Core drill rods , boart longyear wireline core drill rods , BQ NQ HQ PQ wireline drill rods
Hydraulic core drill dedicated thin-walled drill pipe, the use of high-quality A grade seamless steel pipe, the use of automatic thread machining center processing, coupled with unique heat treatment process, drill pipe, light weight, good strength, high precision, resistance Strong grinding, longer life expectancy.
Description
Hydraulic core drill dedicated thin-walled drill pipe, the use of high-quality A grade seamless steel pipe, the use of automatic thread machining center processing, coupled with unique heat
treatment process, drill pipe, light weight, good strength, high precision, resistance Strong grinding, longer life expectancy.
Q Series Drill Rods
| Size | Outside diameter(mm) | Inside diameter(mm) | Wall thickness(mm) |
| AQ rod | 44.5 | 37.3 | 3.6 |
| BQ rod | 55.5 | 46 | 4.75 |
| NQ rod | 71 | 60 | 5.5 |
| HQ rod | 88.9 | 77.9 | 5.5 |
| PQ rod | 114.3 | 103.4 | 5.5 |
