2024.07.14 Self Drilling Screws : DD Fasteners - Self-Drilling Screws Superior Quality and Performance

Our screws meet stringent Class 3 requirements and are manufactured to comply with the Australian Standards AS3566. This guarantees that DD Fasteners screws can be safely used in external applications, including mild to moderate industrial settings or marine environments. They are suitable for use in corrosive categories C2 and C3, classified in accordance with ISO 9223.
Specifications and Features

Head Type: HEX 1/4, 5/16, 3/8
Thread Length: 9.5 - 450mm
Thread Diameter: 3.5 - 8mm
Finish Options: Zinc, RUSPERT, Phosphate, Mechanical Galvanized
Washer Options: PVC, EPDM, Steel/Aluminum/SUS 304 + EPDM Bonded Washer
Key Features:

Corrosion Resistance: Enhanced with mechanical plating and additional top coats, our screws provide superior protection against corrosion, making them ideal for external applications.
Strength and Durability: Compliant with Australian Standards AS3566, DD Fasteners screws ensure optimal performance and longevity in a variety of environments.
Versatile Application: Suitable for mild to moderate industrial applications and marine settings, our screws are perfect for a wide range of external uses.


Common Sizes and Dimensions:

Thread Diameter Range: From 3.5mm to 8mm, catering to diverse project requirements.
Thread Length Range: From 9.5mm to 450mm, providing flexibility for different applications.
Head Type Variants: Available in HEX 1/4, 5/16, and 3/8 to suit various installation needs.


Surface Coating Options:

Zinc: Provides a basic level of corrosion protection.
RUSPERT: Offers enhanced corrosion resistance and durability.
Phosphate: Ideal for applications requiring a paintable surface.
Mechanical Galvanized: Ensures excellent corrosion resistance and mechanical performance.


Functional Advantages:

Easy Installation: Designed for quick and efficient drilling, reducing labor time and costs.
Reliable Holding Power: Ensures secure fastening, preventing loosening over time.
Enhanced Corrosion Protection: Suitable for challenging environments, maintaining integrity and appearance.
Application Scenarios:

Construction: Ideal for use in building structures, roofing, and siding.
Marine Applications: Perfect for docks, piers, and other structures exposed to marine environments.
Industrial Use: Suitable for machinery, equipment, and infrastructure projects requiring reliable fasteners.
For more information, please visit our website at www.ddfasteners.com or contact our sales specialist at +852 6840 9292. Our team is ready to assist you with any inquiries. Limited-time offers available, so contact us now!