Hexagonal Lock Nut designed to provide secure fastening and prevent loosening under vibration. Features a 19 mm (3/4 in) width across flats and a 1.75 mm (0.07 in) thread pitch for precise fitting. Includes a B-type locking mechanism and a wrench height of 8 mm (5/16 in) for easy installation. Made from high quality material for durability and long-lasting performance. Finished with a zinc coating to resist corrosion and enhance longevity.