At DD Fasteners, we take pride in offering high-performance self-drilling RAL roofing screws designed specifically for wood applications. Our RAL roofing wood screws are available in sizes 12g and 14g and feature a robust RAL hex head, reinforced shanks, and a neoprene sealing washer to ensure a long-lasting, watertight seal.

Composition and Material

Our RAL roofing wood screws are crafted from high-grade steel, ensuring durability and strength. The screws are coated with a premium C4 grade protective layer, which provides exceptional resistance to corrosion, making them ideal for use in external environments and with treated timber.

Surface Treatment

The B8 coating on our screws represents one of the highest levels of corrosion protection available in the market. This advanced surface treatment guarantees that our screws maintain their integrity and appearance even in the most challenging conditions. Additionally, the screws are painted to match the RAL range of colors, ensuring aesthetic harmony with your project.

Functional Characteristics

The RAL roofing wood screws from DD Fasteners offer several key features that enhance their functionality:

• Type 17 Razor Slash Point: This design allows for fast insertion and a self-centered start, reducing installation time.
• Parallel Thread: Ensures a constant and even clamping load, providing secure fastening.
• Thread Cutting Profile: The coarse tapping thread enables rapid installation and minimizes the risk of timber splitting.
• Fluted Design: Helps to clear drilling debris efficiently, further reducing the chance of timber splitting.
• Heavy Duty High Strength Shanks: Designed for use with power drivers, these screws ensure robust performance during installation.

Application Scenarios

Our RAL roofing wood screws are versatile and suitable for various applications, including:

• Fixing profiled roofing and cladding sheets to timber.
• Securing trims to timber in roofing projects.
• Self-drilling through thin steel sheeting for both roofing and cladding purposes.

  

Advantages

Choosing DD Fasteners’ RAL roofing wood screws offers numerous advantages:

• Compliance with Australian Standards AS 3566: Ensures reliability and safety in use.
• Cat 5 Rating: Suitable for use in areas classified as Category 3, 4, or 5, providing adaptability to different environmental conditions.
• Efficient Installation: The Type 17 razor slash point and coarse tapping thread enable rapid, hassle-free installation.
• Cost-Effective Packaging: Available in trade boxes and bulk cartons to keep pricing competitive.
• Long Lifespan: The high-grade C4 and B8 coatings provide superior corrosion resistance, ensuring a long-lasting product.

For more information or to place an order, please contact us via WhatsApp at +852 68409292 or email at felixyung@ddfasteners.com. Visit our website at DD Fasteners or our Russian site at DD Fasteners Russia.

Choose DD Fasteners for reliable, high-quality roofing solutions tailored to meet the demands of your projects.