CON-SERT timber deck screws have a green rust guard coating to them. This means that they are a weather resistant fastenings designed for fixing timber decking boards to joists. The deck screw has a double countersunk head to ensure a smooth, level finish to the surface.

Ideal for timber decking boards and other external timber applications. These timber deck screws come with a deep thread that can be inserted directly into the project area. Decking screws available in 3 lengths (4 x 50mm, 4 x 65mm & 5 x 70mm).

Key Features:

  • Rust guard coating in green
  • Double Countersunk CSK Pozidriv Head
  • Partially threaded for increased clamping strength and quick fitting
  • Slash point to reduce torque and the risk of timber splitting

Should I use nails or screws for my decking?

The expert opinion from decking suppliers is “It’s better to screw composite decking boards instead of using nails”.  There is a use for nails but mainly for the frame of the decking and not the fastening of the boards. The professional fitters tend to feel screws are better to use due to their better tensile strength plus they will be less likely to pop out, which can be an issue with decking when nails are used.

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Additional Information

Gauge x Length Screw SizeBox QtyDriveMaterial
4mm x 50mm500Pozidriv head 2Mild Steel
4mm x 65mm350Pozidriv head 2Mild Steel
5mm x 70mm200Pozidriv head 2Mild Steel