Barbarossa Decking Screws – 4.5 mm Diameter | Coarse Thread | PZ2 | Countersunk Head | 50–85 mm
Premium Barbarossa decking screws designed for fast, reliable, and long-lasting installation of composite, softwood, and hardwood decking boards. Manufactured from high-grade hardened steel with a durable protective coating, these screws provide excellent corrosion resistance for outdoor exposure while delivering superior holding power and a clean, low-profile finish.
Key Specifications
- Diameter: 4.5 mm
- Thread Type: Coarse (deep, aggressive threads for maximum grip in timber)
- Drive: PZ2 (Pozi #2) – improved torque transmission and reduced cam-out compared to Phillips
- Head Style: Countersunk (flat) head – sinks flush or slightly below the surface for a smooth, snag-free finish
- Point: Sharp self-drilling / self-tapping point for quick penetration
- Lengths Available:
50 mm | 60 mm | 70 mm | 80 mm | 85 mm - Material: Hardened carbon steel
- Finish: Heavy-duty corrosion-resistant coating (suitable for exterior use)
- Standard: Designed for high-performance decking applications
Features & Benefits
- 4.5 mm Diameter – Balances strength and ease of driving while providing excellent shear and pull-out resistance.
- Coarse Thread – Optimized for timber, delivering fast installation and strong clamping force.
- PZ2 Drive – Deep, precise recess ensures reliable performance even with high-torque cordless drivers.
- Countersunk Head – Seats neatly into the decking material, minimizing surface protrusion and water pooling.
- Protective Coating – Offers superior rust and weather resistance for long-term outdoor durability.
Typical Applications
- Fixing decking boards (composite, pine, hardwood, pressure-treated timber) to joists and subframes
- Timber deck construction, pergolas, and outdoor structures
- Landscaping and garden projects requiring hidden or flush fixing
- Composite decking installations where clean aesthetics are essential
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