These 3.5x38mm drywall screws are designed to securely fasten plasterboard to metal studs, offering a strong and reliable solution for drywall installations. Featuring a fine thread, they provide excellent grip and smooth penetration into metal, ensuring a tight and secure hold. The Phosphate (Phos) coating provides enhanced corrosion resistance, making them suitable for use in dry to moderately humid environments. Supplied in a box of 1000 screws, they are ideal for larger drywall projects, both residential and commercial.The fine thread design allows for easy installation without damaging the materials, providing a stable connection that prevents sagging or loosening over time. These screws ensure a firm hold for plasterboard, maintaining its position securely. With their Phos coating offering additional protection against rust and wear, these drywall screws are a cost-effective, long-lasting option that guarantees reliable performance and durability for drywall and plasterboard applications.