Rawlplug R-QCP Chipboard Screws 5.0mm x 80mm (300 Tub) are engineered for maximum holding power in structural wood. The double cone head allows for flush installation, making them perfect for high-load projects.he Rawlplug R-QCP Chipboard Screws 5.0mm x 80mm (300 Tub) are high-performance wood screw..