The prevailing torque type hexagon nut with a non-metallic insert, conforming to DIN 985 standards, is engineered for secure fastening in various industrial applications. Constructed from hardened carbon steel and treated with a zinc plating, these nuts offer basic indoor corrosion protection, making them suitable for environments where moisture and humidity are minimal. The non-metallic insert enhances the nut's locking capability, providing resistance to loosening under vibration and dynamic loads, which is critical in many engineering and maintenance scenarios. These nuts feature a hexagonal head design, allowing for standard wrench engagement, and are compatible with metric threads, ensuring versatility across a range of fastening tasks. The right-hand thread direction is standard, facilitating ease of installation and assembly. The product meets several industry standards, including ISO 10511 and NF E25-412, ensuring compliance with recognised quality and safety benchmarks. Ideal for use in sectors such as automotive, construction, and machinery, these hexagon nuts can be paired with standard bolts and washers, making them a reliable choice for engineers and maintenance professionals seeking durable fastening solutions. The combination of robust material properties and effective locking mechanisms positions these nuts as a dependable component in a variety of mechanical assemblies, contributing to the overall integrity and performance of engineered systems.