Hardrock NQ drill rods are made to meet the standard of DCDMA, they are widely used in the wireline core drilling. 1, Size: NQ Wireline Drill Pipe, Geological DCDMA Standard, Superior Quality, Core Barrel Rod for Mining Exploration 2, Outside Diameter: 69.9mm 3, Inside Diameter: 60mm 4, Rod Material:30CrMnSiA/XJY850 5, Service Life: 6000m 6, Length per Piece: 3m/1.5m 7, Standard: DCDMA/ Equivalent to Boart longyear/Atlas Copco
Hardrock NQ Drill Rods are made per the highest quality standard, and to exact specifications using advanced machining technology.
They are widely used all over the world for wireline drilling and mineral exploration.
Size | Outer Diameter (mm) | Inner Diameter(mm) | Available Lengths |
AQ | 44.7 | 37.3 | 1.5m/3m |
BQ | 55.7 | 46.1 | |
NQ | 70.0 | 60.2 | |
HQ | 89.0 | 78.0 | |
PQ | 114.5 | 101.5 |