Smart bolts are tension indicating threaded fasteners that are used to bind two or more unthreaded structures. Improper amount of torque applied to the bolts might break or strip the thread of the bolts. Over the years, engineers had the concern to withstand damage of bolts as it was not possible to understand how much torque has been applied while wrenching the bolts. With the help of the indicators present in the smart bolts, engineers can understand the amount of torque that needs to be provided to the bolts. It’s a cool concept, especially in solar, to lessen the risks of human error derailing a project’s performance.(…)
via Smart bolts to prevent over-torque are poised to expand in the next decade | Solar Builder.