Structurals - HSFG

HSFG Bolts are structural bolts that are tightened to create specific tension in the bolt. This tension prevents the steel members in a joint from moving relative to each other because of the frictional resistance.

Designed to be used in heavy-duty engineering applications, HSFG (High Strength Friction Grip) Bolts are made from Class 8.8 or 10.9 high tensile and “structural grade” steels which boast superior tensile strength, fatigue, and corrosion resistance. For this reason, HSFG Bolts will often be found in structures like bridges, where strength, vibration resistance and shock resistance are essential.