What is the main purpose of torque specifications in structural maintenance?

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Torque specifications define the exact amount of twist applied to fasteners to create the intended clamping force that holds joined parts together under all operating conditions. This clamp force keeps joints secure against vibration, dynamic loads, and wear, preventing loosening, misalignment, and damage to threads or components. They’re based on factors like thread size, material strength, lubrication, and whether washers or coatings are present, so the preload is achieved consistently and safely. If you under-torque, the joint can loosen or slip; if you over-torque, you can strip threads or overstress the bolt and parts. The goal is reliable, durable joints, not speed, color of fasteners, or paint thickness.