DIN 444 specifies the dimensions and technical requirements for lifting eye bolts. These eye bolts are used for lifting purposes and are designed to be screwed into a load for lifting and attaching purposes. The standard lays out the criteria for the design, materials, and load capacity of the eye bolts to ensure safety and reliability in lifting operations. It also includes information on the thread sizes, tolerances, and testing procedures to be followed during manufacturing. Overall, DIN 444 provides essential guidelines for the production and use of lifting eye bolts, ensuring that they meet the necessary quality and safety standards for lifting heavy loads.