These Tolsen wood screws are designed for secure fastening in timber projects, featuring a cross-recess head that allows you to drive them easily with a standard screwdriver. The yellow zinc plating provides a layer of protection against corrosion, which helps maintain the integrity of your joints over time. This specific variant features a 4.0 mm diameter and a length of 30 mm, and it is available in a pack of 500 pieces to ensure you have plenty for your project.