Hillman Hex Bolts 5/16 in.-18 x 1-1/4 in. Grade 2 Hex Head are designed for general use in a variety of fastening applications, making them a reliable choice for both DIY projects and professional jobs. Manufactured from durable zinc material, these bolts offer corrosion resistance and long-lasting performance. The hex head design allows for easy tightening with standard tools, ensuring a secure fit every time. Ideal for use with wood, metal, or other materials, these bolts are suitable for furniture assembly, construction, and repair tasks. The 5/16 in.-18 thread size provides compatibility with a wide range of nuts and washers, making them versatile for different projects. As part of the trusted Hillman brand, these hex bolts are engineered for strength and dependability. Whether you need a hex bolt 5/16 in.-18 for home improvement or a replacement part for machinery, this product delivers consistent results. Choose Hillman Hex Bolts for your next project and experience the convenience and reliability of a well-made fastener. Easy to install and designed for general use, these bolts are a staple in any hardware collection.