Features
SupAnchor® self drilling anchor system is a bolting solution for difficult ground and rock conditions. The system enables drilling and grouting in one operation, making much saving in jobsite and project time. Self drilling anchor bar adopts wave-thread hollow bar, which has great anchoring effect and can be cut according to demands.
Applications
1. Slope stabilization
2. Radial systematic anchoring
3. Foundation for avalanche protect
4. Stabilization of tunnel portals
5. Spilling
6. Root piling
7. Tunneling
8. Mining
Technical Data
| Anchor Rod | R38N/21 | R38N/19 | R38/550 | R38/600 | R38/660 |
| Outside Diameter (mm) | 38 | 38 | 38 | 38 | 38 |
| Internal Diameter (mm ) | 22.5 | 19.3 | 22.5 | 20.3 | 19.3 |
| Cross sectional area (mm2) | 611 | 764 | 611 | 700 | 764 |
| Ultimate load (kN) | 500 | 500 | 550 | 600 | 660 |
| Load at 0.2% Yield (kN) | 400 | 400 | 450 | 480 | 530 |
| Weight (kg/m) | 4.80 | 6.00 | 4.80 | 5.50 | 6.00 |
| Type of steel | 40Cr / 20Cr / Q345B |
| Elongation % | Agt ≥ 5%, A100mm ≥ 12% / 10% / 8% / 6%, A200mm ≥ 10% / 6% ... |
| Thread type | ISO10208 - R38 / Left or Right |
| Length (m) | (1) x 2, x3, x4 |
| Options of Anti-corrosion | Hot-dipped Galvanization / Epoxy Coating / SupCoat
*Hot-dipped Galvanization: ISO 1461. *Epoxy Coating: Bending properties up to standard ISO 1519; Impact properties up to standard ASTMD 2794; Adhesion up to standard ISO 2409:2007. *SupCoat: HDG + EC |
Anchor Bar and Accessories
Job sites
SubNumbers
10 Years - The average seniority > 10 years, which is not common in anchor manufacturing industry.
20 Years - 20 years of exporting experience, familiar with different product standards from different
customers and countries.
26 Years - 26 years of exploration and development, SupAnchor has become the No.1 SDA bar
manufacturer in Asia.
60 Countries - customers from 60 countries. Our self drilling anchor systems have been used by
customers from 50 countries all over the world, including America, Chile, Germany,
Australia India, etc.
1,500 Projects - SupAnchor’s products have been widely used in over 1500 massive projects.
Quality System
QC Procedure
SupAnchor 
has its own quality tracking systems. Every batch of anchor bar has its unique batch
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R38/550 High Performance Self Drilling Rock Anchor Hollow Bar For Soil Nailing Contractors Images
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