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Bi-Metal A4 Decking Screw | Raised Countersunk Head | RW Drive System | Corrosion Resistant | @Pack of 250 | by Wurth
The Bi-Metal A4 Decking Screw is designed for direct timber to metal connections, featuring a raised countersunk head and RW drive system for enhanced power and stability. Ideal for decking installations and outdoor timber structures, this screw offers superior corrosion resistance with its Ruspert coating, ensuring long-lasting performance in various applications.
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Product Name/Title: Bi-Metal A4 Decking Screw | Raised Countersunk Head | RW Drive System | Corrosion Resistant | @Pack of 250 | by Wurth
Brand: Wurth
SKU: 505615560
Alternatively Known As: Timber to Metal Decking Screw, Bi-Metal Decking Screw, Raised Countersunk Head Screw, RW Drive Decking Screw, Stainless Steel Decking Screw
Technical Specifications
- Material: Bimetal
- Surface: Flake zinc silver (Ruspert coating)
- Nominal diameter: 5.5 mm
- Length: 60 mm
- Head diameter: 8.5 mm
- Head height: 3 mm
- Drill tip length: 8 mm
- Internal drive: RW20
- Head type: Raised countersunk head
- Maximum attachment thickness: 41 mm
- Dimensions (H x L x W): 3mm x 60mm x 8.5mm
- Weight: 0.05 kg
Key Features
- Bi-metal stainless steel with hardened steel tip for durability
- Ruspert coating for enhanced corrosion resistance
- Raised countersunk head provides an aesthetically pleasing finish
- RW drive system offers more power due to larger contact area
- Precise positioning and perfect fit of drive bit for stability and one-handed operation
- Fewer bit changes required for a larger variation of screw diameters
- Compatible with same size AW drive bits
Professional Installation Requirements
- Installation requires equipment with depth stop and claw coupling. Professional installation is recommended to ensure correct use and maximum performance.
Applications
- Direct timber to steel connections
- Decking installations requiring corrosion resistance
- Outdoor timber structures with metal substructures
Standards & Compliance
- Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
- Ruspert coating enhances longevity reducing the need for frequent replacements
- Bi-metal construction optimizes material use for durability and corrosion resistance
Warranty Information
Wurth provides a standard warranty against manufacturing defects. Please refer to Wurth's official warranty policy for details.
Available Now
Available for immediate purchase, ideal for timber to metal decking and structural fastening applications.
