Use the Teks #8 x 1/2 in. Zinc-Plated Steel Truss-Head Phillips Drill-Point Lath Screws (260-Pack) to securely fasten 20-Gauge to 12-Gauge metal in stucco/plaster and other metal-to-metal fastening applications without needing to pre-drill. The screws feature engineered drill points and flutes that remove material efficiently and properly size the hole for threads.