
Ruspert Coating Hex Washer Flange Self-Drilling Screw with EPDM Washer
Product Introduction
The Ruspert Coating Hex Washer Flange Self-Drilling Screw with EPDM Washer is a high-performance fastener widely used in construction, roofing, and various industrial applications. It is designed for superior corrosion resistance, high strength, and efficient installation.
Product Advantages
Superior Corrosion Resistance:
Ruspert coating, a premium ceramic-based protective layer, provides exceptional corrosion resistance, making the screw suitable for harsh environments and extending its service life.Multiple Coating Color Options:
While the standard Ruspert coating is silver-gray, it can be customized in various colors to meet different aesthetic and project requirements.Optional SST Corrosion Resistance Levels:
The screws are available with different Salt Spray Test (SST) ratings, including 500h, 1000h, 1500h, 2000h, 2500h, and 3000h, ensuring suitability for diverse environmental conditions.


Internal Performance
- Made from high-quality carbon steel, ensuring strength and durability.
- Self-drilling tip allows for direct penetration into metal and other materials without pre-drilling, increasing work efficiency.
- EPDM washer provides excellent sealing performance, preventing water and dust intrusion, ensuring reliable and long-lasting connections.
Practical Applications
- Ideal for roofing, siding, and metal-to-metal fastening in construction projects.
- Widely used in outdoor and harsh environments due to its outstanding anti-corrosion properties.
- Perfect for industrial and commercial applications requiring strong and durable fastening solutions.















