Countersunk Self Drilling Light Section Winged Screws

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.