Light-Gauge Steel Countersunk Ribbed Screw 3.5×7×22-51 Cr6 Zinc Plated

Product Overview
This light-gauge steel countersunk ribbed drywall screw is a specialized fastener designed for indoor light-gauge steel ceiling and partition systems, and is one of the core components for gypsum board installation. The model described here is 3.5×7×22-51 Cr6 with a blue-white zinc plating. Made of high-quality carbon steel with a blue-white zinc coating, it features an integrated design combining a countersunk head, ribs, and a self-tapping, sharp point. It can be driven directly through gypsum boards and securely bite into light-gauge steel studs without the need for pre-drilling, significantly improving installation efficiency while ensuring a flat surface and long-term stability for walls and ceilings. It is a commonly used screw in both residential and commercial ceiling and partition projects.

Product Applications
Primarily used in light-gauge steel ceiling and partition projects for both residential and commercial construction, for fastening gypsum boards, calcium silicate boards, and other panel materials to light-gauge steel framing. Also suitable for fixing indoor lightweight decorative panels, acoustic panels, and similar materials to metal furring channels.