The prevailing torque type hexagon nut with a non-metallic insert, compliant with DIN 985 standards, is engineered for secure fastening in various industrial applications. Constructed from hardened carbon steel, these nuts are zinc plated with a yellow passivation finish, providing basic indoor corrosion protection suitable for environments with minimal exposure to moisture. The right-hand thread design ensures compatibility with standard metric fine-thread bolts, making them an ideal choice for assemblies requiring reliable locking mechanisms. These nuts feature a hexagonal head, allowing for easy engagement with standard tools, and their non-metallic insert enhances friction, preventing loosening under vibration or dynamic loads. This design is particularly beneficial in automotive, machinery, and structural applications where maintaining joint integrity is critical. The product meets ISO 10512 and NF E25-412 standards, ensuring consistent performance and quality across all variations. With their robust construction and effective locking capabilities, these hexagon nuts are suitable for use in a wide range of industries, including automotive, construction, and manufacturing. They are designed to perform effectively under normal atmospheric conditions, making them a versatile choice for engineers and maintenance professionals seeking reliable fastening solutions.