These drywall screws, measuring 3.5x42mm, are designed for securely fastening plasterboard and drywall to metal studs. With a fine thread for enhanced grip and a Zinc Plated (BZP) coating for corrosion resistance, these screws offer long-lasting performance in various environments, including areas prone to moisture. Supplied in a box of 1000 screws, they are a cost-effective solution for large drywall installation projects, making them perfect for both residential and commercial applications.The fine thread ensures smooth and efficient penetration into metal studs, providing a strong and reliable hold without causing damage to the materials. Ideal for new builds or refurbishments, these screws help prevent issues like sagging or loosening of plasterboard over time. The BZP coating offers additional protection against rust and corrosion, ensuring a durable finish that withstands the test of time, even in challenging conditions.