A31870: Hexagonal Lock Nut, M20

Hexagonal Lock Nut designed to provide secure fastening and prevent loosening under vibration. Features a 30 mm (1.18 in) width across flats and a 2.50 mm (0.1 in) thread pitch for robust applications. Includes a D-type locking mechanism, 11.10 mm (7/16 in) wrench height, and 17.75 mm (0.7 in) thickness for enhanced stability. Made from high-quality general steel for durability and long-lasting performance. Finished with a zinc coating to resist corrosion and extend the product's lifespan.