These hex bolts are manufactured from A307 Grade A material, providing a strong and durable solution for various construction and industrial applications. With a coarse thread and a 1-8 diameter, these bolts are designed for heavy-duty use. The hot-dipped galvanized (HDG) finish offers excellent corrosion resistance, making them ideal for outdoor and exposed environments. Whether you're working on a structural project or need reliable fasteners for machinery, these hex bolts deliver the quality and performance you need.