Kot Engenharia

High-strength bolts: design and installation

The proper specification and installation of high-strength bolts (such as ASTM A325, A490, and ISO classes 8.8 and 10.9) are essential for mitigating vibrations, fatigue, and corrosion in industrial metal structures. According to the criteria of ABNT NBR 8800:2024, structural connections require a practical understanding of the relationship between torque (indirect rotational force) […]