The PERLOK #12 PA FASTENER is a pre-assembled fastener and insulation plate to improve the productivity of attaching insulation, coverboards, and base sheets to corrugated steel and wood substrates. The PERLOK #12 PA FASTENER features a #12 drill point fastener with a 3” Galvalume™ plate and are available in #3 Phillips Truss Head (PA) and ¼” Hex Head (PAH) styles.