Heavy Hexagonal Nut designed for secure fastening in heavy-duty applications. Key specs: 15.88 mm (5/8 in) thread size, 11 threads per inch, 16.03 mm (0.63 in) thickness, ideal for robust connections. Additional specs: 26.97 mm (1.06 in) width across flats, ensuring a strong grip and stability. Made from high-quality steel, providing durability and reliability for various industrial uses. Zinc finish offers excellent corrosion resistance, extending the lifespan of the nut in harsh environments.