John Deere 3/4" Hexagonal Lock Nut is designed to securely fasten components and prevent loosening under vibration, making it an essential part for various mechanical applications. This lock nut features a 28.58 mm (1.12 in) width across flats and an E-type locking mechanism, with a 19.05 mm (3/4 in) thread size and 10 threads per inch. It has a thickness of 16.89 mm (0.67 in) and is crafted from high-quality general steel, ensuring strength and durability. The nut is finished with a durable zinc coating to enhance corrosion resistance, providing long-lasting performance even in challenging environments. Model Number: K40016