Fasteners for board structures Universal screw Fix Cutter – Zinc electroplated For fastening lumber and building boards indoors. More info > Hobau screws – stainless For fastening lumber, battens and building boards outdoors More info > Hobau screws – yellow passivated For fastening lumber, battens and building boards indoors. More info > Plasterboard screws – Zinc electroplated For fastening plasterboards indoors More info >