Self Drilling Anchor Bolt for Hard Rock
This self drilling anchor bolt is designed for bolting in unstable ground conditions. It includes a hollow steel anchor bar, steel drill bit or carbide drill bits, coupling, nut, plate and stopper.





Technical Specifications
Overview
Comprehensive Anchoring Solution
This self-drilling anchor bolt system is engineered for reliable ground support in unstable conditions and hard rock formations. The complete assembly includes a hollow steel anchor bar, specialized drill bits (steel or carbide), coupling, nut, plate, and stopper. By integrating drilling and grouting into a single efficient process, it significantly reduces installation time and enhances structural stability for mining and civil engineering projects.

Technical Specifications
System Components
- Hollow steel anchor bar
- Steel or carbide drill bits
- Coupling
- Nut
- Plate
- Stopper
- Available Models
- R25NR32LR32NR32SR38NR51LR51NT76NT76S
- Thread Type
- R&T Thread

Applications
Primary Applications




