NTWU Core Barrel
PEERCHEER offers thin wall NTWU core barrel for use with NTW rods. NTWU core barrel is ideal for in most underground drilling conditions with low feed force drills for improved rate of production. NTWU core barrel is available for application in standard DCDMA B size hole. But NTWU core barrel offers lightweight options for biggest core size per comparable system size.It consists of the NTWU head assembly , NTWU inner tube components and NTWU outer tube components.
Product Details
Parameter
NTWU core barrel standard configuration:
1-NTWU Head Assembly
2-NTWU Inner Tube
3-NTWU Stop Ring
4-NTWU Core Lifter
5-NTWU Core Lifter Case
6-NTWU Locking Coupling
7-NTWU Adapter Coupling
8-NTWU Landing Ring
9-NTWU Outer Tube
10-NTWU Inner Tube Stabilizer
11-NTWU Reaming Shell
12-NTWU Core Bit
NOTE：
(1)NTWU core bit and reaming shell are not included
(2) 1.5m/5ft and 3m/10ft NTWU core barrels are available
| NTWU Nonimal Parameter | mm | Inches |
| NTWU Hole Diameter(approx.) | 75.8 | 2.984 |
| NTWU Core Diameter(approx.) | 56.0 | 2.205 |
| NTWU Core Bit Set OD(approx.) | 75.3 | 2.965 |
| NTWU Core Bit Set ID(approx.) | 56.0 | 2.205 |
| NTWU Reaming Shell Set OD(approx.) | 75.8 | 2.984 |
