Products Description
Stainless Steel Hanger Bolts for PV Solar Roof Mounting System
The Stainless Steel Hanger Bolt is a specialized fastener designed for photovoltaic (PV) racking systems, used to securely attach mounting rails to the roof or other supporting structures. It is a critical, though often unseen, component that directly impacts the structural safety and long-term performance of the entire solar installation.
More details please contact Amber at amber@longsungreen.com
Key Features
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Product Name |
Stainless Steel Hanger Bolts for PV Solar Roof Mounting System |
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Primary Material |
Stainless Steel 304 (SUS304) |
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Mechanical Performance |
Designed to withstand high mechanical loads and wind forces as per system certifications (e.g., 216 km/h wind resistance). |
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Corrosion Resistance |
Excellent corrosion resistance, suitable for standard and coastal environments. |
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Application Roof Types |
Metal Roof, Tile Roof, Sloped Roof, Flat Roof |
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Waterproofing Method |
Used with a dedicated waterproof washer/gasket and flange nut to form a seal. |
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Installation Note |
The exposed thread height above the mounting plate must not exceed the rail height. |
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Customization & OEM |
Available. Sizes, lengths, and packaging can be customized. |
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Lead Time |
7-10 days (Standard orders) |
Product Advantages
Superior Corrosion Resistance
Manufactured from high-quality Stainless Steel 304 (SUS304), this hanger bolt offers excellent resistance to rust and corrosion, ensuring long-term durability and reliability even in harsh environmental conditions, including coastal areas.
Robust & Reliable Fastening
Engineered for strength, it provides a secure and stable connection between the rail and the roof structure, capable of withstanding significant mechanical loads and wind forces as per relevant certifications.
Enhanced Weatherproofing
Designed to be used with compatible waterproof gaskets or sealing kits, it effectively prevents roof leaks, protecting the integrity of the building structure.
Wide Compatibility & Customization
Compatible with various roof types such as metal roofs and tile roofs. Available in common sizes (e.g., M10/M12 in lengths from 200mm to 400mm) with OEM services for custom requirements to fit specific project needs.

Applications
Rooftop PV Mounting Systems
The primary application is for securing solar panel mounting rails onto different roof types, including sloped roofs, flat roofs, and colored steel tile roofs, in both residential and commercial distributed PV systems.
Construction Integration
Suitable for integrating PV systems into new construction projects or retrofitting existing buildings without compromising the roof structure.
Industrial & Coastal Installations
Ideal for projects in demanding environments, such as industrial facilities or coastal regions, where corrosion resistance is paramount.
Project References

Single-post PV project, United States

Sunroom PV project, Europe

Roof-mounted PV project, Australia

Agricultural PV project, Japan

Agriculture PV mount, Austrian

Carport mounting structures, Europe

Ground mount structure, Southeast Asia

Ground-mounted solar racking, Italy
Company Profile
in one-stop service
Proven Expertise & Scale
Since 2007, Xiamen Longsun Green has been a trusted solar mounting expert. With a massive monthly production capacity of 70-80MW and a daily supply capability of 22,000 hanger bolts, we guarantee stable and timely delivery, even during peak demand periods.
Certified Quality & Advanced Manufacturing
Our automated production lines are CE/UL2703/AS-NZS certified. We utilize advanced machinery and stringent quality control (ISO 9001 aligned) to ensure every product meets high standards for performance, safety, and consistency.
Engineering Excellence & Efficiency
Leveraging over 70 patented clamp and rail designs, our systems are certified for high wind resistance (216 km/h). We offer pre-assembled kits that can save up to 30% on installation labor and optimized logistics solutions (e.g., 1MW = 2x40HQ) to reduce overall project costs.
Flexible Collaboration Models
We minimize your risk by accepting small trial orders and providing comprehensive OEM & sample services, supporting full branding and customization to meet your specific market requirements.

MW+
Certification&Patents

Introduction to Production Equipments

FAQ

01.What roof types are these Stainless Steel Hanger Bolts suitable for?
02.How is waterproofing ensured during installation?
03.What are your lead times and can I order samples?
04.Can you customize the size and specification of the hanger bolts?
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