The Self Drill Metal is a versatile fastening solution designed for various metal constructions, including those made from cold-formed sections, and drywall/plasterboard. Its self-drilling feature allows for quick and efficient installation, saving you time and effort. With 100 pieces in a package, this fastening system is ideal for large-scale projects. Each screw is constructed from durable metal, ensuring a strong hold in various materials. Whether you're a construction professional or a seasoned DIYer, the Self Drill Metal provides a reliable and efficient fastening solution for your metal construction or drywall projects.