
Rock Bolts
TS Combination Rock Bolt
Immediate expansion-shell anchoring with permanent full-column grouting.
The TS Combination Rock Bolt combines immediate expansion-shell anchoring with permanent full-column grouting in one system. Supplied fully assembled, it provides rapid initial support, efficient installation and durable performance in weak, fractured and demanding ground conditions.
- Immediate mechanical support
- Permanent full-column reinforcement
- Fast, straightforward installation
- Reliable in weak and fractured rock
- High load-bearing capacity
- Enhanced corrosion protection
- Reduced installation time and support cost
Technical data
- Diameter
- M20–M33
- Steel
- B500NC
- Available lengths
- 2.4–12 m (up to 6 m in stock, other lengths on order)
- Corrosion protection
- Hot Dip Galvanizing NS-EN-ISO 1461, Epoxy Coating NS-EN 13438
Applications
- Road and railway tunnels
- Underground mines
- Hydropower tunnels and caverns
- Rock slopes and cuttings
- Underground construction and storage
- Weak, fractured or unstable rock
- Temporary and permanent support


