DIN 936 specifies the dimensions and technical requirements for metric hexagon slotted and castle nuts. These nuts are used in conjunction with bolts and screws to secure components in various mechanical and structural applications. The standard outlines the material, mechanical properties, dimensions, and tolerances for these nuts, ensuring that they meet the necessary quality and performance standards. By providing a comprehensive set of specifications, DIN 936 enables manufacturers and engineers to consistently produce and use these nuts with confidence in their reliability and compatibility with other components. Its guidelines facilitate the proper functioning and safety of a wide range of machinery and structures that rely on secure and dependable fastenings.