The Drill-Tec Extra Heavy Duty ASAP (Assembled Screw and Plate) is a specialized, high performance fastener designed to secure insulation and single-ply membrane to steel. The Drill-Tec Extra Heavy Duty ASAP is a Drill-Tec Extra Heavy Duty #15 Fastener assembled with a Drill-Tec 2-3/8" Barbed Galvalume Plate. It must penetrate steel decks a minimum of 3/4".