The DIN 7981 standard pertains to tapping screws characterized by a pan head and a cross recess. These screws are designed for efficient self-tapping into various materials, providing a secure fastening solution. The pan head design offers a larger bearing surface, which enhances the screw's ability to distribute load and resist pull-out forces. The cross recess allows for easy engagement with a screwdriver, facilitating quick and efficient installation. This type of screw is commonly utilized in applications where a flush finish is desired, making it suitable for a wide range of industrial and construction purposes.