Hex bolts, or machine bolts utilize their six-sided forged heads in conjunction with a nut or a tapped hole for quick and efficient turning and fastening. These convenient fastener products are specifically manufactured for ease-of-use and for fastening two or more parts together. The hex head design also allows it to be easily gripped by a wrench for an improved tightening and loosening experience. Hex bolts are available in a wide range of materials, sizes and diameters to suit your specific needs. Additionally, these easy-to-use bolts adhere to ASTM A307A, A354 and F1554 industry specifications.Contact us for more information regarding our premium grade hex bolts that are available in several types of materials and sizes. You can also call us directly at 866-463-2910 and we would be happy to answer any questions that you may have.