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 to provide basic indoor corrosion protection, making them suitable for environments where moisture exposure is limited. The hexagon head design allows for easy engagement with standard tools, ensuring efficient installation and removal. These nuts feature a right-hand thread with a metric fine thread profile, facilitating compatibility with a wide range of bolts and screws. The non-metallic insert enhances the prevailing torque characteristics, providing resistance to loosening under vibration and dynamic loads, which is crucial in applications where stability is paramount. The product adheres to relevant industry standards, including ISO 10512 and NF E25-412, ensuring reliability and performance across various sectors, including automotive, construction, and machinery. These nuts are particularly effective in assemblies subject to frequent disassembly, as they maintain their locking capability over multiple cycles. Ideal for use in conjunction with standard nuts, washers, or inserts, this hexagon nut is a versatile component in any maintenance professional's toolkit. Its robust construction and reliable performance make it a practical choice for engineers seeking dependable fastening solutions in demanding environments.