Self-drilling bars
Self-drilling bars
High-performance self-drilling anchoring system for complex, fractured, or unstable ground, combining drilling, grouting, and anchoring in a single, fast and safe operation.
Maplad self-drilling rods are hollow, continuously threaded rods that simultaneously function as drill rods, cement ducts, and structural anchors, simplifying operations and improving safety on the construction site.
The system is designed for geotechnical and underground works where the use of casings is difficult or uneconomical, ensuring reliable performance even in loose, collapsible soils or in the presence of water.
- Threaded hollow bars with continuous thread type R.
- Interchangeable drill bits for all types of soil and rock.
- Nuts, plates, and centering devices for proper load transfer.
- Extension joints for on-site adjustment of bar length.
- Stainless steel accessories with anti-corrosion protection.
- Customized solutions for extreme conditions.
Suitable for geotechnical works where traditional anchoring systems are impractical or too slow.
Tunnels and underground
- Pre-consolidation and stabilization of the front.
- Radial reinforcement of caps and walls.
- Portal consolidation.
Slope stabilization
- Soil nails on slopes.
- Support for retaining walls.
- Anchoring rockfall barriers.
- Stabilization of road and railway excavations.
Foundations and civil works
- Micropiles in restricted areas.
- Underpinning of existing structures.
- Anti-lift poles.
- Sistemi di fondazione per torri e ponti.
Performance and benefits
- Drilling, injection, and anchoring in a single step.
- Safe installation without a jacket.
- Continuous thread for maximum flexibility.
- High load-bearing capacity with pressure injection.
- Wide range of diameters and protection systems.
