Hexagonal Lock Nut designed to secure bolts and prevent loosening under vibration. Features a 16 mm (5/8 in) width across flats, 1.50 mm (0.06 in) thread pitch, and B type locking for reliable performance. Includes a 6.43 mm (1/4 in) wrench height, 11.90 mm (0.47 in) thickness, and 10 mm (0.39 in) thread size for versatile applications. Made from high quality material for enhanced durability and strength. Finished with a zinc coating for superior corrosion resistance and longevity.