Rock Bolts – Friction Bolt
| Physical Properties | Minimum | Typical |
|---|---|---|
| Yield Strength | 355MPa | - |
| Tensile Strength | 510MPa | - |
| Ultimate Strength* | 200kN | 240kN |
| Elongation* | 22% | 30% |
| Profile Diameter | 36mm |
| Original Tube Diameter | 54mm |
| Material Thickness | 3mm |
| Hole Diameter Range | 43mm min./52mm max. |
| Inflation pressure | 30MPa |
Key Features
- The DSI Underground OMEGA-BOLT® is an expandable rock bolt with excellent elongation properties designed to accommodate ground movement. The
OMEGA-BOLT® is a folded steel tube with welded bushings on each end. - The OMEGA-BOLT® is safe and easy to install with the OMEGA-BOLT® simply inserted into the drilled hole and inflated using high pressure water.
- The OMEGA-BOLT® tube is inflated to the exact shape of the drilled hole and can tolerate a large variation in hole diameter.
