- Size & Package : Each nylon insert hexagonal locking nut has a thread size of M22, a pitch of 2.5mm, a hexagon width of 31mm (1.22"), a height of 20.7mm (0.81"), and an overall height of 22mm (0.87"). The package includes 10 nuts to meet your daily fastening needs. - Material : Crafted from 304 stainless steel with an oxidation surface treatment, these nuts are resistant to rust and corrosion. This durable material provides high temperature resistance and maintains shape integrity over time, making the nuts ideal for both indoor and outdoor applications. - Features : The nylon insert within each lock nut forms a tight connection with the bolt thread. After tightening, the insert generates elastic deformation, enhancing frictional resistance. This design effectively prevents loosening due to vibration or movement, ensuring your assemblies remain secure. - Easy to Use : These nylon insert hex lock nuts are user-friendly. Simply insert the bolt into the nut, align the threads, and tighten with a wrench for a reliable connection. - Applications : Perfect for automotive repairs, construction projects, or any machinery requiring secure fastening. Ideal for use in environments exposed to fluctuating temperatures or vibrations, such as outdoor equipment and machinery. Choose these nylon insert hexagonal locking nuts for dependable and long-lasting performance in your fastening needs.