This Burnham Commercial nut is a robust and durable hardware component. It is designed with a 5/16-18 thread size, which is a standard measurement in the industry, indicating that it has a diameter of 5/16 inches and 18 threads per inch. The material used for this nut is steel, known for its strength and resistance to wear and tear, ensuring longevity even under heavy use. Additionally, it features a zinc finish which provides an extra layer of protection against corrosion and rust, enhancing the product's lifespan while maintaining its aesthetic appeal.