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46 TT Core Barrel – Extra Thin Kerf Double Tube System
The Atlas Copco XsafE 46 TT extra thin kerf double tube core barrel is designed for core drilling in medium hard to extremely hard formations. Its lightweight construction and optimized cutting geometry ensure high penetration rates and accurate core recovery.
The system features a snap-coupling inner tube design for fast handling and reduced downtime. It provides stable performance, efficient flushing and consistent results in both surface and underground exploration drilling.
Technical Specifications
| Parameter | Value |
|---|---|
| Hole diameter | 46.0 mm |
| Core diameter | 35.3 mm |
| Bit kerf | 5.4 mm |
| Outer tube diameter | 45.2 mm |
| Recommended drill rod | 43 type |
| Rotation speed | 1250–2100 rpm |
| Weight on bit | 7–14 kN |
| Water flow | 6–12 l/min |
| Penetration rate | 14–26 cm/min |
Spare parts for the 46 TT core barrel are available, including inner tubes, outer tubes, core lifters, bearings and service kits to ensure reliable operation and long service life.