Hexagonal Lock Nut designed to secure bolts and prevent loosening under vibration and torque. Features an 8 mm (5/16 in) width across flats, 0.80 mm (0.03 in) thread pitch, and B-type locking for reliable performance. Includes a 2.75 mm (0.11 in) wrench height, 5 mm (0.2 in) thickness, and 5 mm (0.2 in) thread size for versatile applications. Made from high quality material for enhanced durability and strength. Finished with zinc coating for superior corrosion resistance and longevity.