Installing a solar power system is a smart investment. But to make sure it lasts, you need high-quality parts — especially the fasteners. Stainless steel fasteners are the best choice for securing solar panels. They are strong, durable, and resistant to rust.
Let’s look at why stainless steel fasteners are important, and how they keep your solar projects safe and stable.
Why Choose Stainless Steel Fasteners?
Solar panels face all kinds of weather — sun, wind, rain, and snow. If the fasteners fail, the whole system is at risk. That’s why stainless steel is the top choice.

Here are the key benefits:
1. Rust Resistance
Stainless steel does not rust easily. Grades like SUS304 and SUS316 work well even in wet or coastal areas. This helps your system last longer with less maintenance.
2. High Strength
These fasteners are tough. They can handle heavy loads and high winds without breaking.
3. Long Service Life
Stainless steel lasts for many years. It’s perfect for solar systems that are expected to run for 25 years or more.
4. Heat Resistance
It stays strong in both hot and cold weather. This makes it ideal for outdoor use.
Fasteners and Solar Accessories — A Complete System
At Suzhou Bilateral, we don’t just supply fasteners. We offer a full range of solar accessories to support your entire solar mounting structure. These include:

- Clamps (Mid,Side,Solar & Cable Clamps)
- Rail Connectors and Brackets
- Grounding Clips and Lug Kits
- Stainless Steel/Aluminum Hooks and Hangers
- Ground Screws and Channel Steels
Combined with our fasteners, these accessories ensure your solar system is safe, efficient, and easy to install.
Common Types of Stainless Steel Fasteners for Solar Projects

We provide a wide selection of fasteners made for solar structures:
- Hex Bolts & Carriage Bolts – For frames and rails
- Self-Tapping Screws – For metal rooftops
- Threaded Rods – For adjustable ground structures
- Nuts & Washers – Locking and flat styles available
- Blind Rivets – Lightweight and vibration-resistant
All products are made with top-grade stainless steel such as SUS304, SUS316, and Duplex Steel.
Applications Across Solar Mounting Systems

Premium stainless steel fasteners are used throughout the solar structure, including:
- Roof-mounted systems (tile, shingle, metal)
- Ground-mounted racking
- Solar carports and canopies
- Floating solar platforms
- Agrivoltaic and off-grid setups
With careful design and weather-resistant materials, these fasteners help protect your investment. They also reduce the chance of downtime or failure.
Suitable for Many Other Applications
While our fasteners are widely used in solar energy projects, they are not limited to this industry. Stainless steel fasteners from Suzhou Bilateral are also trusted in:
- Construction and building systems
- Marine and offshore engineering
- Automotive and rail industries
- Electrical and mechanical installations
- Agriculture and greenhouse structures
Wherever strength and corrosion resistance are needed, our fasteners deliver reliable performance.








Why Choose Suzhou Bilateral?
Suzhou Bilateral is a trusted name in stainless steel fastener manufacturing. With over 15 years of experience, we serve clients worldwide with reliable and certified products.
Our Advantages:
- 12,000 m² production facility
- 150+ experienced workers
- 5 million pieces produced monthly
- ISO, CE, and RoHS certifications
- Custom designs and OEM/ODM support

Request a Free Sample or Custom Quote
Looking for fasteners or solar accessories for your next project?
We provide free samples, technical support, and competitive pricing.
📩 Contact Suzhou Bilateral today to get started.
FAQ – Stainless Steel Fasteners & Solar Use
Q: What is the best stainless steel grade for outdoor or coastal use?
A: SUS316 is highly recommended for high-humidity or salt-air environments.
Q: Are your products only for solar applications?
A: No. Our fasteners are used in construction, automotive, marine, and many other industries.
Q: Do you supply solar mounting accessories?
A: Yes! We offer complete solutions, including fasteners, clamps, brackets, grounding kits, and more.
Protect your investment with high-performance fasteners and solar accessories from Suzhou Bilateral.
Strong. Durable. Built to last.
