100 wood decking screws – Inox A4 – 6.0x70 mm

Marine-grade fastening for high-exposure environments

When building a terrace in challenging conditions, the quality of the hardware is as important as the timber itself. These screws are manufactured from Inox A4 stainless steel, the highest standard for corrosion resistance. This grade is specifically designed to withstand salt spray and chemical aggression, making them the essential choice for seaside properties, poolside decks, or industrial zones.

Structural strength and durability

• Inox A4 excellence: Unlike standard stainless steel, the A4 grade contains molybdenum, providing a total barrier against rust in salt-air environments and preventing unsightly staining on your wood.

• Optimized threading: The thread geometry is designed to maximize "pull-down" force, clamping the decking board tightly against the joist to prevent shifting or warping over time.

• Heavy-duty dimensions: The 6.0 mm diameter offers high shear strength, while the 70 mm length ensures deep anchorage into the supporting structure, providing stability for thicker boards or structural timber.

• Versatile application: While ideal for exotic hardwoods and softwoods, these screws are also compatible with composite joists, offering a versatile solution for modern terrace systems.

Key advantages:

• Total corrosion protection: Marine-grade A4 steel for ultimate longevity near the sea.

• Deep anchorage: 70 mm length for a secure and stable structural hold.

• Clean aesthetics: High-quality finish that preserves the visual integrity of the wood.

• Reliable performance: Engineered to handle the natural movement and expansion of outdoor timber.

Technical characteristics

• Quantity: 100 pieces

• Diameter: 6.0 mm

• Total length: 70 mm

• Material: Inox A4 stainless steel (marine grade)

• Usage: Outdoor timber construction, decking, and cladding

• Compatibility: Wood and composite joists

Installation tips

• Coastal mandatory: If your project is located within 5 km of the coastline, these A4 screws are mandatory to prevent oxidation and structural failure.

• Pre-drilling: For a professional result, especially with dense exotic hardwoods (like Ipe or Cumaru), we recommend pre-drilling a pilot hole to ensure the screw enters smoothly and to prevent the wood from splitting.

• Consistent depth: Use a drill with a depth stop to ensure all screw heads are seated at exactly the same level, providing a clean, architectural finish across the entire surface.

• Maintenance: Even with high-grade stainless steel, ensure the deck is kept clear of metallic debris during construction to avoid surface contamination.

Note: This pack contains 100 screws. Be sure to calculate your total requirements based on the width of your boards and the spacing of your supporting joists.