1.5m Wireline Core Barrel Head Assembly Overshot for Underground Drilling - BQ/NQ/HQ/PQ Series
The BOU NOU HOU Wireline Core Barrel Underground Drilling Head Assembly Overshot is engineered for enhanced performance in demanding underground drilling applications. Featuring dual lip seals and a pump-in valve, this assembly delivers faster tripping times and provides positive latch indication during operation.
- Spearhead assembly with self-lubricating nylon components for reduced wear and multiple detent positions
- Unique hold-back brake system for secure inner-tube retention in inclined and up-angle holes
- Roller Latches enabling higher pump-in speeds with diminished wear and eliminating adapter couplings
- Optimized fluid flow design with corrosion and wear-resistant components for reliable functionality
- Enhanced safety and reliability in underground applications for maximum productivity
B, N, N-2, N-3, H, H-3, P, P-3 (Surface & Underground); BTW, BTW-U, NTW, NTW-U
LTK48, LTK60, T2 76, T2 101
SC56, S59, S75, S95; SCA56, SA59, SA75, SA95; S75ZD, SA75ZD, SA95ZD; P56, P59, P75, P91, PA-110, PA-130, P150
Custom specifications available upon request
| Series | Model | Drill Bit (mm) | Reamer Outer Diameter (mm) | Outer Tube Outer Diameter (mm) | Inner Tube Outer Diameter (mm) | Unit Weight (kg/set) |
|---|---|---|---|---|---|---|
| C-Q Series Core Barrel | BQ | 36.50 | 60.00 | 57.20 | 42.90 | 45.00 |
| NQ | 47.60 | 75.80 | 73.00 | 55.60 | 65.00 | |
| HQ | 63.50 | 96.00 | 92.10 | 73.00 | 105.00 | |
| PQ | 85.00 | 122.60 | 118.00 | 95.30 | 150.00 |
We specialize in manufacturing comprehensive drilling equipment including Drill Rods, Casings, Core barrels, Diamond bits, Reaming shells, Drill rigs, PDC bits and other essential drilling tools for geological exploration, mining, geotechnical applications, dam grouting, water well drilling, and horizontal directional drilling.
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