Customization: | Available |
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Standard: | RoHS, BS, DIN, JIS, AISI |
Length: | 2m |
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The core barrel assembly is composed of the inner-tube group and outer-tube group.The inner-tube group is composed of:
Head Assembly
Inner Tube
Core Lifter Case
Core Lifter
Stop Ring
The inner-tube group collects the core sample during the drilling process and is independent of the outer-tube group. The outer-tube group is composed of the remainder of the core barrel components:
Locking Coupling
Adapter Coupling
Outer Tube
The outer-tube group always remains at the bottom of the hole and houses the inner-tube group during the drilling process.
Standard | OD(mm) | ID(mm) | Wall Thichness(mm) |
TPI | Pin thread length(mm) | weight(kg/m) |
BQ | 55.7 | 46.1 | 4.8 | 3.0 | 44.5 | 6.03 |
NQ | 70.5 | 60.3 | 5.1 | 3.0 | 44.5 | 8.08 |
HQ | 89.0 | 77.8 | 5.6 | 3.0 | 44.5 | 11.52 |
PQ | 114.3 | 101.9 | 6.2 | 2.5 | 63.5 | 16.53 |
SQ | 139.7 | 125.5 | 7.1 | 2.5 | 62.8 | 23.22 |