T40/20 T Thread Self Drilling Anchor Hollow Rock Bolts In Foundation
Features
SupAnchor has achieved the security application of 30,000,000 meters self-drilling anchor bar in the world. As the No.1 manufacturer and exporter of self-drilling anchors in Asia. The system enables drilling and grouting in one operation, making much saving in jobsite and project time. SupAnchor® self drilling anchor system is a bolting solution for difficult ground and rock conditions.
Applications
1. Ground engineering
2. Face stabilization
3. Radial systematic anchoring
4. Foundation for avalanche protect
5. Stabilization of tunnel portals
6. Spilling
7. Root piling
8. Tunneling
Technical Data
| Injection Bar | T40/20 | T40/16 |
| Outside Diameter (mm) | 40 | 40 |
| Internal Diameter (mm ) | 20 | 16 |
| Cross sectional area (mm2) | 713 | 910 |
| Ultimate load (kN) | 540 | 660 |
| Load at 0.2% Yield (kN) | 430 | 525 |
| Weight (kg/m) | 5.80 | 7.18 |
| Thread type | T40 International Standard / Left or Right |
| Type of steel | 40Cr / Q345B / S460NH |
| Elongation % | Agt ≥ 5%, A100mm ≥ 12% / 10% / 8% / 6%, A200mm ≥ 10% / 6% ... |
| 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 number, which can be tracked from raw materials till installation.
Being the No.1 exporter of SDA bars in Asia, quality control has been always SupAnchor’s biggest concern. Our quality testing equipment number ranks first on the list in anchor manufacturing industry
in Asia. It is SupAnchor’s mission to support your construction with products of high quality.
Quality Inspection Rate
| Mechanical strength test ratio | >= | 3% |
| Dimensions test ratio | = | 100% |
| Surface inspection ratio | = | 100% |
Product Tags:
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540kN 713mm2 40mm Hollow T40/20 Self Drilling Rock Bolts Images
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