General description The CSPARKV 100Pcs M3.5 x 40mm Quick Fixing Screws are designed for efficient and reliable attachment of drywall panels to both wood and metal surfaces. These black drywall screws feature a bugle head that prevents them from digging into the drywall, ensuring a flush finish. Made from carbon steel with a phosphate coating, these screws are resistant to rust and corrosion, making them ideal for various interior applications. Technical specifications Quantity: 100 Pieces Size: M3.5 x 40mm Material: Carbon Steel Thread Type: Fine Thread Shank Type: Pointed Head Type: Bugle Drive Type: Phillips PH2 Installation These screws are easy to install using a Phillips screwdriver (2PH bit). The sharp point and fine thread allow for a firm connection between surfaces, while the bugle head ensures a flush finish with the drywall. Usage The drywall screws are specifically designed for attaching drywall panels to wood or metal. Their optimized stitch geometry and bugle head make