Constructed from durable zinc-plated steel, these hex bolts offer exceptional strength and corrosion resistance, making them an ideal choice for both indoor and outdoor projects. With a diameter of 7/16 inches and a length of 3-1/2 inches, they provide a secure fit for a variety of applications. Packaged in a convenient set of 50, these bolts are perfect for large-scale construction or repair tasks, ensuring you have ample supply for your needs.