KR-RM-HF Roller Bit Core Barrel w/ Helix Flush
Overview
Main application
- Strong rock (more than 100 MPa)
- Suitable in compact rock
Features
- Kellybox 200 mm
- Cutting ring with staggered arrangement of roller bits
- Screw-on type roller bit system
- Easy replacement of rollers with suitable tools.
- Outside helix and flat teeth to optimize drilling performance
In stock or available for order in the following diameters:
- 780mm
- 800mm
- 900mm
- 1000mm
- 1060mm
- 1180mm
- 1200mm
- 1350mm
- 1500mm
- 1650mm
- 1800mm
- 1830mm