SCHNAP Logo

Making Trade Life Easy!
Trade Discount 20%

Bi-Metal A4 Decking Screw | Raised Countersunk Head | RW Drive | Corrosion Resistant | @Pack of 250 | by Wurth

BRAND: Wurth
SKU: 505615545
$382.50 List price: $480.70
250 PCS ($1.53 per PCS)
+ −
30 Days Return Delivery Options
The Bi-Metal A4 Decking Screw is designed for robust timber to metal connections, featuring a raised countersunk head and RW drive for enhanced stability. Ideal for decking and substructure fastening, this screw boasts a durable bi-metal construction with a Ruspert coating for superior corrosion resistance, making it perfect for both indoor and outdoor applications.

Product Name/Title: Bi-Metal A4 Decking Screw | Raised Countersunk Head | RW Drive | Corrosion Resistant | @Pack of 250 | by Wurth

Brand: Wurth

SKU: 505615545

Alternatively Known As: Timber to Metal Decking Screw, Bi-Metal Decking Screw, Raised Countersunk Head Screw, RW Drive Decking Screw

Technical Specifications
  • Material: Bimetal
  • Surface: Flake zinc silver (Ruspert coating)
  • Nominal diameter: 5.5 mm
  • Length: 45 mm
  • Head diameter: 8.5 mm
  • Head height: 3 mm
  • Drill tip length: 8 mm
  • Internal drive: RW20
  • Head type: Raised countersunk head
  • Max. attachment thickness: 26 mm
  • Dimensions (H x L x W): 3mm x 45mm 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 for an aesthetically pleasing finish
  • RW drive system offers more power and stability with fewer bit changes
  • Compatible with AW drive bits
  • Wing-type design for effective decking fastening
Professional Installation Requirements
  • Installation should be performed using equipment with depth stop and claw coupling for optimal fastening and safety.
Applications
  • Direct timber to steel connections
  • Decking and substructure fastening
  • Outdoor and indoor timber construction requiring corrosion resistance
Standards & Compliance
  • Complies with AS/NZS 1170 – Structural Design Actions (Wind, Earthquake, Snow Loads)
Environmental Benefits
  • Ruspert coating extends product life reducing waste
  • Durable bi-metal construction reduces need for frequent replacements
Warranty Information

Wurth provides warranty against manufacturing defects as per company policy.

Available Now

Available for immediate purchase, ideal for timber to metal decking and structural fastening applications.

Related Products