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Coarse thread drywall screws feature wide threads that grip securely into wood studs. Fine thread drywall screws, on the other hand, are self-threading and work best for securing drywall to light-gauge metal studs.
Self-drilling drywall screws are designed with a drill-shaped point that can easily penetrate heavier gauge metal studs without requiring a pre-drilled pilot hole.
These specialized screws are designed to connect layers of plasterboard directly to each other. They provide excellent holding power without needing a stud behind the attachment point.
The black phosphate coating provides basic corrosion resistance during the construction phase and creates a textured surface that helps joint compound or paint adhere securely to the screw head.
Drywall screws should be driven just slightly below the surface of the paper, creating a shallow dimple without breaking the paper face of the drywall sheet.
