These drywall screws, measuring 3.5x25mm, are designed for securely fastening plasterboard to metal studs, offering a durable and efficient solution for drywall installations. With a fine thread for enhanced grip, they provide excellent penetration into metal surfaces, ensuring a secure hold. The Phosphate (Phos) coating offers added corrosion resistance, making them ideal for use in dry to moderately humid environments. Supplied in a box of 200 screws, these screws are perfect for smaller projects or when only a limited quantity is needed.The fine thread design allows for smooth and easy installation, preventing material damage while ensuring a firm and long-lasting hold. These screws are ideal for preventing issues such as sagging or loosening over time, ensuring the plasterboard remains securely in place. With their corrosion-resistant Phos coating, these drywall screws offer reliable performance and durability, making them a great choice for both professional and DIY drywall applications.