Self-tapping screws are specialized fasteners designed to create their own hole as they are driven into materials. They have a sharp tip and threads that allow them to cut into the material, making them ideal for use in various applications, including wood, metal, and plastic. This feature eliminates the need for pre-drilling, saving time and effort during assembly. These screws come in various sizes and types, such as sheet metal screws and wood screws, each tailored for specific materials and purposes. Their ease of use and efficiency make them popular in construction, automotive, and DIY projects, providing a secure and reliable fastening solution.