Self-Drilling Hollow Rock Anchor Bolt R32
This self-drilling anchor bolt combines drilling, grouting, and anchoring into one process. It is widely used as an efficient anchoring solution for tunnel support, slope stabilization, and geological treatments.



Technical Specifications
Product Overview
Self-Drilling Hollow Rock Anchor Bolt R32
The R32 series self-drilling hollow rock anchor bolt is engineered for efficient ground support in challenging rock formations. Featuring a hollow core design, these bolts allow for simultaneous drilling and grouting, significantly streamlining installation processes in construction and mining projects. With multiple strength options available and customizable lengths, they provide a reliable, robust solution for ground stabilization requirements.
Technical Specifications
Performance Comparison
| Specification | R32L | R32N | R32S |
|---|---|---|---|
| Outside Diameter (mm) | 32 | 32 | 32 |
| Internal Diameter (mm) | 22 | 18.5 | 17 |
| Ultimate Load (kN) | 260 | 280 | 360 |
| Yield Load (kN) | 220 | 230 | 280 |
| Weight (kg/m) | 2.8 | 2.9 | 2.9 |
Manufacturing Standards
Material & Design
- Thread Type: ISO10208
- Steel Standard: EN10083-1
- Thread Direction: Left or Right hand available
Anti-Corrosion
- Supply Length
- 1-6m (customizable per construction requirements)



