HQ Surface Diamond Drilling Core Barrel Backend
PEERCHEER offers standard HQ surface diamond drilling core barrel for use with HQ/HRQ/HT rods. HQ core barrel is ideal for use in most surface drilling conditions and is available for application in standard DCDMA H size hole. It consists of the HQ head assembly , HQ inner tube components and HQ outer tube components
Product Details
Parameter
HQ surface diamond drilling core barrel standard configuration:
1-HQ Head Assembly
2-HQ Inner Tube
3-HQ Stop Ring
4-HQ Core Lifter
5-HQ Core Lifter Case
6-HQ Locking Coupling
7-HQ Adapter Coupling
8-HQ Landing Ring
9-HQ Outer Tube
10-HQ Inner Tube Stabilizer
11-HQ Thread Protector
(1)HQ core bit and reaming shell are not included
(2) 1.5m/5ft and 3m/10ft HQ core barrels are available
(3)The newest MKII spearhead HQ wireline coring core barrel is also available
HQ Surface Diamond Drilling Core Barrel Parameters Table
| HQ Nonimal Parameter | mm | Inches |
| HQ Hole Diameter(approx.) | 96.0 | 3.780 |
| HQ Core Diameter(approx.) | 63.5 | 2.500 |
| HQ Core Bit Set OD(approx.) | 95.6 | 3.764 |
| HQ Core Bit Set ID(approx.) | 63.5 | 2.500 |
| HQ Reaming Shell Set OD(approx.) | 96.0 | 3.780 |
| HQ Outer Tube OD | 92.1 | 3.626 |
| HQ Outer Tube ID | 77.8 | 3.063 |
| HQ Inner Tube OD | 73.0 | 2.874 |
| HQ Inner Tube ID | 66.7 | 2.626 |
