This innovative design enables the screw to rapidly penetrate the timber, cleanly countersink and securely clamp the decking board to the joists.
Impact Resistant head - Strengthened head to prevent shearing when installed with an impact tool.
Ribs under the head for improved countersinking
Helix on shaft for removing debris and improving clamping.
Coated with a patented multi-layer corrosion resistant plating to withstand 1000hrs salt spray
Patented twin cut technology for rapid “Pick up” and reduced splitting
4.5mm (size 9)