Countersunk head winged screw with self-tapping thread and self-drilling point.
Specifically designed for attaching wood to heavy gauge steel.
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.
Heavy section applications, for the steel section, with a maximum drill thickness of up to 12.0mm.
Zinc plated finish for internal or other dry covered applications.
Phillips PH3 head.