NQU Underground Diamond Drilling Core Barrel
PEERCHEER offers standard NQU NWL-U core barrel for use with NQ/NRQ/NT rods. NQU foundation pile rotary drilling core barrel is ideal for use in most underground drilling conditions and is available for application in standard DCDMA N size hole. It consists of the NQU head assembly , NQU inner tube components and NQU outer tube components.
Product Details
Parameter
NQU Underground Diamond Drilling Core Barrel
1-NQU Head Assembly
2-NQU Inner Tube
3-NQU Stop Ring
4-NQU Core Lifter
5-NQU Core Lifter Case
6-NQU Locking Coupling
7-NQU Adapter Coupling
8-NQU Landing Ring
9-NQU Outer Tube
10-NQU Inner Tube Stabilizer
11-NQU Thread Protector
(1)NQU core bit and reaming shell are not included
(2) 1.5m/5ft and 3m/10ft NQU foundation pile rotary drilling core barrel are available
(3)The newest MKII spearhead NQU core barrel is also available
NQU underground diamond drilling core barrel
| NQU Nonimal Parameter | mm | Inches |
| NQU Hole Diameter(approx.) | 75.8 | 2.984 |
| NQU Core Diameter(approx.) | 47.6 | 1.874 |
| NQU Core Bit Set OD(approx.) | 75.3 | 2.965 |
| NQU Core Bit Set ID(approx.) | 47.6 | 1.874 |
| NQU Reaming Shell Set OD(approx.) | 75.8 | 2.984 |
| NQU Outer Tube OD | 73.0 | 2.874 |
| NQU Outer Tube ID | 60.3 | 2.374 |
| NQU Inner Tube OD | 55.6 | 2.189 |
| NQU Inner Tube ID | 50.0 | 1.969 |
