SupAnchor Introduces Stainless Steel Self-Drilling Hollow Anchor for Enhanced Corrosion Resistance in Geotechnical Projects

SupAnchor launches a stainless steel self-drilling hollow anchor, offering superior corrosion resistance for marine, industrial, and harsh environment applications, ensuring long-term durability and safety.
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SupAnchor Introduces Stainless Steel Self-Drilling Hollow Anchor for Enhanced Corrosion Resistance in Geotechnical Projects
Industry News
2025-10-15
34

SupAnchor Introduces Stainless Steel Self-Drilling Hollow Anchor for Enhanced Corrosion Resistance in Geotechnical Projects

In response to growing demands for durable infrastructure in corrosive environments, SupAnchor, Asia's leading manufacturer and exporter of self-drilling anchors, has unveiled its latest innovation: the stainless steel self-drilling hollow anchor. This product addresses critical challenges in geotechnical engineering, such as saltwater exposure, chemical corrosion, and high humidity, which often compromise the integrity of traditional carbon steel anchors. By leveraging SupAnchor's expertise, this variant enhances safety and efficiency in projects ranging from coastal defenses to industrial facilities, aligning with global trends in sustainable and long-lasting construction.

Construction site using SupAnchor self drilling anchor system

Technical Specifications and Engineering Value

The stainless steel self-drilling hollow anchor builds on SupAnchor's proven "3-in-1 principle," integrating drilling, grouting, and reinforcement into a single ribbed hollow bar. This design eliminates the need for separate casing systems, streamlining installation in unconsolidated soils and reducing project timelines. Key technical features include inherent corrosion resistance, optimized rib geometry to minimize soil disturbance, and compatibility with standard accessories, ensuring seamless integration into existing geotechnical reinforcement systems.

To illustrate its capabilities, the R32SS/15 model exemplifies the product's performance. The following table outlines its critical parameters, demonstrating how these specs address engineering challenges like load-bearing capacity and environmental durability:

ParameterValue
Outside Diameter (mm)32
Internal Diameter (mm)14
Cross Sectional Area (mm²)509
Ultimate Load (kN)≥405
Yield Load (kN)≥300
Weight (kg/m)4.00
Thread TypeISO 10208 - R32 / Left or Right
Type of SteelStainless Steel
Elongation %A100mm ≥6% / Agt ≥5% / A200mm ≥6%
Length (m)(1) x2, x3, x4, x5, x6
Anchor Nut SizeSW46/L75
Anchor Coupler SizeD42/L220
Anchor Plate Size200 x 200 x 12

This self drilling anchor bolt maintains mechanical properties comparable to carbon steel models, with an ultimate load of ≥405 kN and yield load of ≥300 kN, ensuring reliability under high-stress conditions. The corrosion-resistant stainless steel material prevents rust and degradation, extending service life in harsh environments. By incorporating these features, SupAnchor's hollow bar anchor system reduces maintenance costs and enhances safety, making it a preferred choice for drill-and-grout bolt applications in challenging geologies.

Application Scenarios

The stainless steel variant is tailored for diverse projects where corrosion poses a significant risk. Key application scenarios include:

  • Coastal and Marine Engineering: Used in port terminal foundations, sea wall stabilization, and offshore wind farm infrastructure, where saltwater exposure demands robust corrosion resistance. This self drilling anchor system ensures long-term stability in tidal zones and saline soils.
  • Chemical and Industrial Projects: Ideal for anchoring in chemical plants, wastewater treatment facilities, and industrial zones with chemical vapors, preventing material degradation and maintaining structural integrity over decades.
  • Humid or Harsh Outdoor Environments: Applied in slope stabilization for tropical regions, water conservancy projects, and subway tunnels with water seepage, where high humidity could lead to rust-related failures in standard anchors.
  • Long-Term Permanent Structures: Suitable for historical building reinforcement, nuclear power plant supports, and permanent retaining walls, offering reliability without the need for frequent replacements.

These scenarios highlight the product's adaptability, as part of a comprehensive geotechnical reinforcement system that addresses modern infrastructure needs.

Industry Value and SupAnchor's Innovation

The introduction of this stainless steel self-drilling anchor bolt aligns with global efforts to enhance infrastructure resilience, particularly in sectors like tunneling, mining, and urban development. By providing a solution that combats corrosion, SupAnchor contributes to improved geotechnical safety, reducing the risk of anchor failure in critical projects. This innovation supports sustainable development goals by minimizing environmental impact through longer-lasting materials and reduced resource consumption.

SupAnchor's commitment to research and development is evident in this product, which adheres to international standards such as ISO 10208 and EN standards for stainless steel. As a leading soil nail system manufacturer, the company has demonstrated its innovative approach through certifications and global project collaborations, reinforcing its reputation for professionalism and collaboration. The brand's focus on delivering high-quality ground anchor bolt solutions ensures that engineers and contractors can rely on SupAnchor for cutting-edge technology that meets evolving market demands.

SupAnchor self drilling anchor bolt

In summary, the stainless steel self-drilling hollow anchor from SupAnchor represents a significant advancement in geotechnical engineering, offering enhanced durability and efficiency. By integrating key features like the 3-in-1 principle and superior corrosion resistance, it sets a new benchmark for self drilling anchor systems worldwide, empowering professionals to tackle complex challenges with confidence.

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