ZENITH Zinc Plated Hex Head Bolts & Nuts are perfect for general purpose construction applications involving fastening timber to timber, metal to timber, or metal to metal. A highly versatile product, they can be used in confined spaces and are commonly used in indoor framing, indoor shelving, indoor furniture, garage work benches, and more. Zinc Plated finish provides moderate protection against rust and corrosion, suitable only for use in low-moisture internal environments.