Stainless steel expansion bolt

Stainless Steel Expansion Bolt for Solar Systems – Reliable Panel Foundation Anchoring Solution

Users report excellent satisfaction with performance under real-world conditions, particularly in coastal environments where salt spray accelerates metal degradation. One installer noted: “These bolts have replaced our previous fasteners entirely—they hold up better than any other product we’ve tried, even after five years in a windy desert location.” Another user praised the ease of integration into existing designs: “We were able to retrofit older ground mounts with no additional engineering changes—the fit was perfect and the torque specs matched our manufacturer’s recommendations exactly.”

Common questions often revolve around load capacity, corrosion resistance, and compatibility with different substrates. Most models support up to 8,000 lbs of pull-out force when properly installed in concrete, and they’re suitable for use in pH-neutral soils and reinforced concrete slabs. For users concerned about galvanic corrosion, it's recommended to pair these bolts with compatible hardware made from the same alloy grade. While not intended for use in extremely acidic or alkaline soils, they perform exceptionally well in typical construction environments found in temperate and arid zones.

Chunpeng Group is a leading and professional manufacturer of prestressed concrete (PC) steel materials, with over 30 years of industry experience.

We are committed to delivering high-quality products and innovative solutions for infrastructure and construction projects worldwide.

Our core products are  pc steel strand  (Ultra High Tensile Strength PC Strand, Normal Tensile Strength PC Strand), Unbounded  PC Strand , Galvanized PC Steel Strand, Weather-Resistant & Anti-Corrosion PC Strand, and  PC Steel Wire . 

In addition to our PC strand products, we also supply  Prestressed Anchorage Systems and Photovoltaic Mounting Systems. 

Our products are as follows:

l Prestressed Steel Material include ultra high tensile strength PC Strand, Normal Tensile Strength PC Strand, Unbonded PC Strand , Epoxy Coated PC Strand, PC Steel Wire, Galvanized PC Steel Strand.

l Accessories Of PC Strand include Prestressed Anchorage, Prestressed Bellows , Aanchor Bearing Plate

l Prestressed Cable Photovoltaic Mounting System

l Photovoltaic Mounting System

  Our Prestressed Concrete Steel Strand is widely used in bridges, highways, railways, high-rise buildings, and energy infrastructure projects. All products are manufactured in compliance with international standards such as ASTM, BS, EN, AS/NZS, and GB, ensuring excellent performance, durability, and reliability for global construction needs.