Specifically designed for the fitting of brackets and clips during installation of PVCu rainwater systems. When fixing into brick a red (5mm) plug is needed. • Single slash on 25mm+ to reduce torque and the likelihood of the timber splitting when the screw is inserted close to the edge • 40° deep single thread to provide a secure fixing with high pull-out resistance • Corrosion resistant coating to withstand 1,000 hours salt spray • For fixing gutters, downpipes & rainwater systems