These drywall screws, measuring 3.5x25mm, are designed for fastening plasterboard to metal studs, providing a reliable and durable solution for drywall installation. With a fine thread, they offer excellent grip and penetration into metal, ensuring a secure and lasting hold. The Phosphate (Phos) coating enhances corrosion resistance, making these screws suitable for use in dry to mildly humid environments. Supplied in a box of 1000 screws, they are an economical choice for both residential and commercial drywall projects.The fine thread ensures smooth and easy installation, preventing damage to materials while offering a strong and stable connection. These screws are ideal for securing plasterboard without the risk of loosening or sagging over time, providing a long-lasting solution for interior projects. The Phosphate coating offers additional protection against rust and wear, ensuring these drywall screws maintain their performance and durability over the long term.