In the demanding world of modern infrastructure, where projects often face unstable geological conditions like soft rock and clay soils, SupAnchor has made a significant breakthrough with the launch of its SupFRP® GFRP SDA Bolt. This advanced geotechnical reinforcement system is designed to streamline construction processes while bolstering safety in applications such as tunnel face stabilization and slope support across Europe and America. The product's ability to combine drilling, grouting, and anchoring into a single operation addresses critical challenges in engineering, reducing installation time and mitigating risks associated with ground instability.

The SupAnchor self drilling anchor bolt is engineered for versatility and durability, featuring a central hole that allows for water flushing during drilling and efficient anchor grouting. This design makes it particularly suitable for soft rock or clay soil environments, where traditional methods may fall short. Key technical specifications, derived from extensive research and development, highlight its capability to handle high loads and resist torque, ensuring permanent application in diverse scenarios.
To provide a clear overview, here are the detailed specifications for the available models, which showcase the product's robust performance:
| Model | Outside Diameter (mm) | Guaranteed Tensile Load (kN) | Tensile E-Modulus (GPa) | Torsion Strength (Nm) | Weight (kg/m) | Thread Type (ISO) |
|---|---|---|---|---|---|---|
| H25S | 25 | 220 | 45 | 180 | 0.63 | R25 |
| H28S | 28 | 280 | 45 | 250 | 0.86 | R28 |
| H32S | 32 | 365 | 45 | 360 | 0.99 | R32 |
| H38S | 38 | 490 | 45 | 450 | 1.33 | R38 |
These parameters, such as the high tensile load capacity and uniform tensile modulus across models, enable the self drilling anchor system to solve engineering challenges by providing reliable support in variable ground conditions. For instance, the cuttability feature protects machinery during tunneling operations, while the ISO standard thread profile ensures compatibility with global equipment standards.
The versatility of this hollow bar anchor system extends to numerous critical applications, making it a valuable asset in infrastructure development. Key uses include:
This drill-and-grout bolt technology not only improves efficiency by minimizing manual labor but also enhances safety protocols, aligning with industry trends towards automated and resilient construction methods. In European and American markets, where regulations emphasize geotechnical safety, such innovations are driving adoption in large-scale projects like highway tunnels and urban redevelopments.
SupAnchor's commitment to innovation is evident in this product, which reflects its role as a leading soil nail system manufacturer and ground anchor bolt factory. The company's extensive R&D efforts have resulted in certifications like ISO standards, ensuring quality and reliability in global deployments. From tunneling projects in the Alps to slope stabilization along American coastlines, SupAnchor's solutions have been integral to enhancing infrastructure resilience.
The brand's message of being professional, innovative, and collaborative is embodied in this self drilling anchor system, which fosters partnerships with engineers and contractors to address complex geotechnical needs. As global infrastructure demands grow, particularly in aging networks and new urban expansions, products like the SupAnchor self drilling anchor bolt are poised to play a pivotal role in sustainable development, reducing environmental impact through efficient material use and extended service life.

Looking ahead, the integration of such advanced geotechnical reinforcement systems is expected to accelerate, with SupAnchor at the forefront of driving safety and efficiency standards. By continuously refining its offerings, the company not only strengthens its market position but also contributes to a safer, more robust built environment worldwide.
SupAnchor's self drilling anchor system deployed in a major Swiss Alps rail project to stabilize a steep slope amidst fractured rock and high groundwater. The integrated drill-and-grout solution enhances safety and efficiency.
SupAnchor expands its self-drilling anchor system with Grade 75 high-strength hollow bar anchors, designed for heavy-duty infrastructure and challenging ground conditions.
SupAnchor introduces a corrosion-free GFRP dowel bar with 100-year service life, high strength, and superior load transfer, ideal for jointed pavements and EMI-sensitive areas.
SupAnchor’s self drilling anchor system proves vital in a European metro expansion, overcoming fractured rock and groundwater to ensure safe, rapid tunneling and slope stabilization.
SupAnchor's new stainless steel self-drilling hollow anchor combats corrosion in marine, chemical, and humid projects. The R32SS/15 model delivers 405 kN ultimate load, long service life, and compatibility with standard accessories.