Discover the reliability and security of our Metric Hex Lock Nuts with Nylon Insert in Zinc Plated Steel. These lock nuts are engineered to prevent loosening under vibration and torque, making them ideal for dynamic, high-stress environments. The nylon insert acts as a locking mechanism, ensuring a firm grip while preserving the integrity of the threads. The zinc plating provides an extra layer of corrosion resistance, enhancing the durability of the nuts for both indoor and outdoor applications. Suitable for a variety of uses, including machinery, automotive, and construction, these nuts are available in several metric sizes, ensuring compatibility with your specific fastening requirements.