#8 x 1" K Lath Mod Truss Drill Point Black Oxide Low Profile Drywall Screw | A steel fastener with an extra wide head, and a self drilling point. Common Usage is to attach lath to 10-12 Gauge Metal Studs. | STEEL, BLACK OXIDE - Used indoors for dry, non-corrosive applications. 24 hour salt spray rated. | Head Diameter: .426" - .446" | Head Height: .082" - .098" | Phillips Driver Size: 2 | Drill Point: #2