I need to screw into my fibre cement eaves sheets (4.5mm thick) with screws but I need to leave approx 5mm of the screw head showing to attach a camera to them. What would be the best screw to use or do I need to get some sort of anchor fixing? Plug, anchor, tapping screw?
Thanks for your help.
Community manager's note: Check out How to choose the right screw for the job for expert advice.