Brighton Best's 3/4 in. - 10 x 4-1/2 in. Partial-Thread Hot-Dipped Galvanized Low-Carbon Steel A325 Heavy Hex Lag Bolts feature a heavy hex head designed for structural applications requiring higher torque values and consistent clamp load. Commonly used in steel-to-steel and steel-to-wood structural assemblies, bridges, commercial framing, and equipment supports, this A325 structural bolt provides dependable load-bearing capacity. The galvanized coating enhances long-term durability in harsh weather conditions, supporting compliance in outdoor and code-regulated construction projects.