3.0×7×22-51 Cr6 Zinc Plated Bugle Head Light Gauge Steel Framing Screws

Product Overview
This product is a dedicated fastening screw for light-gauge steel framing, available in multiple lengths from 22 to 51 mm. It is manufactured from carburized steel with quenching, and the surface is treated with Cr6 blue‑white zinc plating for corrosion protection. Featuring a standard Phillips bugle countersunk head structure, it is a general‑purpose fastener for gypsum board installation in residential and commercial ceiling and partition projects.

Product Applications
Residential Interior Renovation: Fixing single‑layer/double‑layer paper‑faced gypsum boards and soundproof magnesium boards in light gauge steel ceiling and lightweight partition projects.
Commercial Construction: Fastening in light gauge steel partitions, machine room acoustic wall panels, and corridor ceilings in office buildings, shopping malls, hotels, and retail spaces.
Lightweight Panel Assembly: Connecting various gypsum composite boards, fibre cement thin panels to thin‑wall light gauge steel framing.
Suitable Environment: Only for indoor dry or mildly humid spaces; not recommended for outdoor exposure, thick solid wood joists, or heavy steel structure applications.