Professional self-tapping screw designed for fastening photovoltaic mounting structures and solar installation accessories on metal roofs and outdoor surfaces.

Manufactured from high-strength stainless steel, this fastener provides excellent durability, superior corrosion resistance, and reliable long-term performance even in harsh environmental conditions.

Supplied with a metal washer and integrated EPDM sealing gasket, it ensures effective protection against water infiltration and moisture, improving installation safety and durability.

⚙️ Main Features

• Self-tapping screw for photovoltaic mounting structures
• Corrosion-resistant stainless steel construction
• Metal washer with integrated EPDM sealing gasket
• High mechanical holding strength and waterproof sealing
• Fast and secure installation
• Suitable for sheet metal and metal roof applications
• Designed for professional photovoltaic systems
• Excellent resistance to weather and outdoor exposure

🔧 Technical Specifications

• Product Type: Self-tapping mounting screw
• Material: Stainless steel
• Diameter: 4 mm
• Length: 35 mm
• Size: 4 × 35 mm
• Tip Type: High-penetration self-tapping tip
• Washer: Metal washer with EPDM anti-leak gasket
• Application: Outdoor PV mounting and fastening systems

🌐 Applications

• Photovoltaic mounting structures
• Metal roof solar installations
• Sheet metal fastening applications
• Outdoor solar support systems

✅ Advantages

✔ Excellent corrosion resistance
✔ Reliable waterproof sealing with EPDM gasket
✔ Strong and secure mechanical fastening
✔ Fast installation without pre-threading
✔ Suitable for harsh outdoor environments
✔ Ideal for professional photovoltaic installations

📦 Package Contents

• Stainless steel self-tapping screws 4 × 35 mm with washer and EPDM sealing gasket