Rock Core Barrel with Cutting Bits and Core Unloading Piston
This rock core barrel is designed for efficient rock drilling and piling operations. It features durable bits for effective cutting and core extraction, along with an integrated unloading piston for easy core removal.



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



