Countersunk Self Drilling Light Section Winged Screws
Countersunk head winged screw with self-tapping thread and self-drilling point.
Specifically designed for attaching wood to metal sections and purlins.
Self-drilling tip saves installation time as no pre-drilling is required.
Wings create a clearance hole in the wood and snap off just before the thread engages in the metal section.
Light section applications, for the steel section, with a maximum drill thickness of up to 5.0mm.
Zinc plated finish for internal or other dry covered applications.
Phillips PH2 head for 4.8mm and PH3 for 5.5mm.