The prevailing torque type hexagon nut with non-metallic insert, conforming to DIN 985 standards, is engineered for reliable fastening applications in various industrial settings. Constructed from hardened carbon steel, these nuts are zinc plated to provide basic indoor corrosion protection, making them suitable for environments where exposure to moisture is limited. The non-metallic insert enhances the nut's locking capability, ensuring that it maintains its grip under vibration and dynamic loads, thus preventing loosening over time. These hexagon nuts feature a standard metric thread with a right-hand direction, allowing compatibility with a wide range of bolts and screws, including standard nuts, washers, and inserts. The hexagonal head design facilitates easy installation and removal using common tools, ensuring efficiency during assembly or maintenance tasks. The product meets relevant industry standards, including ISO 10511 and NF E25-412, ensuring that it adheres to stringent quality and performance criteria. This makes them a reliable choice for engineers and maintenance professionals seeking durable fastening solutions in sectors such as automotive, construction, and machinery. The prevailing torque design is particularly advantageous in applications where vibration is a concern, providing peace of mind in critical assembly situations. Overall, these hexagon nuts are a practical addition to any industrial hardware inventory, offering both performance and compliance with established standards.