EN
Inner Tube Wrench BQ NQ HQ PQ Wireline Core Drilling Auxiliary Tool
Inner tube wrench is a special disassembly auxiliary tool for Q series wireline core barrels, compatible with standard inner tube assemblies of BQ, NQ, HQ, PQ, NQ3, HQ3 and PQ3. It is designed for on-site quick disassembly and assembly of inner tubes, replacement of latch assemblies, centralizers, overshots and other wearing parts. With stable clamping performance without scratching tube surface, it allows single-person operation to greatly improve maintenance efficiency, essential equipment for mineral exploration, geothermal drilling and geotechnical investigation sites.
Description
Inner tube wrench is a special disassembly auxiliary tool for Q series wireline core barrels, compatible with standard inner tube assemblies of BQ, NQ, HQ, PQ, NQ3, HQ3 and PQ3. It is designed for on-site quick disassembly and assembly of inner tubes, replacement of latch assemblies, centralizers, overshots and other wearing parts. With stable clamping performance without scratching tube surface, it allows single-person operation to greatly improve maintenance efficiency, essential equipment for mineral exploration, geothermal drilling and geotechnical investigation sites.
Size Matching
* BQ Inner Tube Wrench: For standard BQ single-tube inner tube assembly
* NQ Inner Tube Wrench: Fits NQ single tube & NQ3 triple tube inner tube
* HQ Inner Tube Wrench: Most popular general size for HQ single tube & HQ3 triple tube
* PQ Inner Tube Wrench: Heavy-duty large size for PQ single tube & thick-wall PQ3 triple tube
| Model | Applicable OD | Applicable Models |
| Inner pipe wrench | 43mm | BQ、BQU |
| 47mm | BTW | |
| 56mm | NQ | |
| 61mm | NTW | |
| 73mm | HQ、HQU、NQC | |
| 78mm | HTW | |
| 89mm | PA110 | |
| 95mm | PQ、PQU、PQC | |
| 108mm | PA130 |
Structural Composition
1. Forged alloy steel wrench body, impact resistant & anti-deformation
2. Curved anti-slip jaw, perfectly fits outer tube surface without scratch
3. Extended anti-slip handles to boost torque and avoid slipping with muddy hands
4. Adjustable limit buckle for flexible opening range to fit different tube wall thickness
5. Reinforced hinge pin for long-term frequent disassembly without looseness
Core Advantages
1. Arc-shaped jaw evenly clamps tube to prevent flattening or scratching of inner tube coating
2. Quenched forged steel body resists mud corrosion and collision in harsh field conditions
3. Labor-saving long handles enable single-person disassembly of rusted thread connections
4. Manufactured to DCDMA standard, universally interchangeable with all brands wireline inner tubes
5. Lightweight and portable for mobile field exploration in remote mountain mining areas
6. Multi-functional design to disassemble all inner tube parts, reducing tool inventory cost
