2024.07.26 Discover the Superior Performance of DD Fasteners Bi-metal Screws

Key Features
Self-drilling Capability: Effortlessly drills through hard metal sheets up to 15mm thick, enabling fast and efficient installation.
Integrated Installation: Combines drilling, tapping, and fastening in one seamless operation, saving time and labor.
Robust Construction: Features a strong stainless steel screw shank and a durable welding point for enhanced strength and reliability.
Superior Corrosion Resistance: The high-quality stainless steel construction offers excellent resistance to corrosion, ensuring long-lasting durability.
High-performance Alloy Steel Drill: Guarantees optimal drilling and tapping performance, even in the toughest materials.


Detailed Specifications
Diameters: Available in sizes from 4.2mm to 6.3mm (#8 to #14).
Lengths: Offers a range from 19mm to 150mm (3/4" to 6").
Surface Coating: Features a weather-resistant coating that provides additional protection against environmental factors, ensuring longevity and reliability in various conditions.


Functionality and Applications
Bi-metal Screws from DD Fasteners are specially designed for a multitude of applications, making them the go-to choice for construction projects requiring high strength and corrosion resistance. These screws are ideal for:

Metal-to-Metal Connections: Perfect for joining metal sheets and structural components.
Metal-to-Wood Connections: Ensures a secure and stable bond between metal and wood materials.
Versatile Use: Suitable for framing, roofing, decking, and structural applications where durability and resistance to harsh environments are crucial.
The unique combination of stainless steel and carbon steel in Bi-metal Screws offers unparalleled durability, capable of withstanding the toughest conditions while providing a reliable fastening solution. Whether you're working on metal-to-metal, metal-to-wood, or other materials, these screws deliver outstanding performance and versatility.

Secure and Durable Connections for Your Projects
Choose DD Fasteners’ Bi-metal Screws for your next project and experience the benefits of robust, long-lasting connections. Designed to meet the highest standards, these screws ensure your structures remain strong and reliable for years to come.

Learn More and Contact Us
For more information, visit our website at www.ddfasteners.com or contact us at +852 6840 9292. Our sales specialists are ready to assist you with any inquiries. Take advantage of our limited-time offers and secure your supply of Bi-metal Screws today!