Technical Specifications
Overview
High-Performance Rock Core Barrels
The CR-TT Core Barrels are engineered for demanding rock drilling and piling operations in construction and geotechnical engineering. These barrels feature a robust construction equipped with durable cutting bits for efficient core extraction and an integrated unloading piston to facilitate easy core removal. Designed to minimize downtime, they offer a versatile solution for various rock drilling applications across a wide range of torque requirements.
Performance Metrics
Torque Capacity Range

Technical Specifications
Cylinder Wall Thickness
- 12
- 16
- 20
- Diameter Range
- 520 mm - 2500 mm
- Standard Heights
- 1000 mm1200 mm
- Operating Weight
- 540 kg - 3890 kg
- Number of Cutting Teeth
- 8 to 44
Series B Detailed Data
Series B (High Torque) Model Comparison
| Diameter (mm) | Casing Specs | Cyl. Thickness (mm) | Weight (kg) | Teeth |
|---|---|---|---|---|
| 520 | 620/540 | 16 | 620 | 8 |
| 900 | 1000/920 | 16 | 1,040 | 14 |
| 1,500 | 1650/1550 | 20 | 1,880 | 28 |
| 2,000 | 2200/2080 | 20 | 2,740 | 34 |
| 2,500 | 2800/2680 | 20 | 3,890 | 44 |

Features
Key Components
- Welded carbide cutting bits
- Integrated core unloading piston
- Reinforced cylinder body
- High-torque compatible drive hub




