Sizes:M16-1.5 nylon insert locknuts, thread diameter: M16, thread pitch: 1.5mm,High:16mm/0.63lnch;thickness:11mm/0.43lnch;width:24mm/0.95lnch, coarse thread, fully threaded, exterior finish: bright finish; color: silver tone. Nylon insert: Features blue nylon insert that provides superior resistance to vibration and self-loosening during operation. Material:304 stainless steel, stainless steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance. Wide Applications: Widely used in all kinds of precision machinery, classified instruments,instruments, electronic products, household appliances, communication products, locks,lamps, lights, toys, etc. Ideal for use by a variety of workers and repairmen from plumbers to assemblymen both professional and amateur. Package Included:Total 6 pcs M16-1.5nylon insert lock nuts are packed in a durable transparent box. The distinctive blue nylon ring insert provides superior vibration resistance and reliable self-locking performance, These nuts maintain their locking ability through multiple uses and are perfect for applications where regular nuts might shake loose. Ideal for automotive, machinery, and general construction projects where secure fastening is crucial. The hexagonal design allows for easy installation and removal with standard tools.