Features
SupAnchor® is the No.1 manufacturer and exporter of self-drilling anchors in Asia. The self drilling anchor system is a bolting solution for difficult ground and rock conditions.Self drilling anchor system consists of a sacrificial drill bit, hollow steel bar of the appropriate outer and inner diameter and coupling nut and plate.
The system enables drilling and grouting in one operation, making much saving in jobsite and project time.
Applications
1. Stabilization of tunnel portals
2. Foundation for avalanche protect
3. Radial systematic anchoring
4. Spilling
5. Root piling
6. Mining
7. Soil nailing
8. Slope stabilization
Technical Data
| Anchor Rod | R51L/36 | R51L/34 | R51N/33 | R51N/31 | R51/950 | R51/660 |
| Outside Diameter (mm) | 51cc | 51 | 51 | 51 | 51 | 51 |
| Internal Diameter (mm ) | 35.5 | 34 | 33 | 30.6 | 30.6 | 33 |
| Cross sectional area (mm2) | 802 | 890 | 968 | 1070 | 1070 | 968 |
| Ultimate load (kN) | 550 | 550 | 800 | 800 | 950 | 660 |
| Load at 0.2% Yield (kN) | 450 | 450 | 630 | 630 | 760 | 540 |
| Weight (kg/m) | 6.30 | 7.00 | 7.60 | 8.40 | 8.40 | 7.60 |
| Type of steel | 40Cr / 20Cr / Q345B |
| Elongation % | Agt ≥ 5%, A100mm ≥ 12% / 10% / 8% / 6%, A200mm ≥ 10% / 6% ... |
| Thread type | ISO 1720 - R51 / Left or Right |
| Length (m) | (1) x 2, x3, x4, |
| cOptions 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.
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51mm Slope Stabilization Technique Self Drilling Grouting Anchor Bar R51N/31 Images
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