DIN 1587 refers to a specific standard established by the Deutsches Institut für Normung (DIN), which outlines the specifications and requirements for hexagon nuts with a rounded top. This standard is crucial for ensuring the quality and compatibility of hexagon nuts used in various engineering and construction applications. The rounded design of these nuts is intended to provide a smooth finish, reducing the risk of injury during handling and installation. Compliance with DIN 1587 is essential for manufacturers and suppliers to guarantee that their products meet industry standards, thereby ensuring safety and reliability in mechanical assemblies.