Definition of High Strength Friction Grip Bolts 📘 High Strength Friction Grip (HSFG) bolts are special bolts used in steel structures. They work by creating strong friction between surfaces instead of relying only on shear force. These bolts are an important application of physics fundamentals, especially friction and force. 1. Working Principle of HSFG Bolts … Continue reading High Strength Friction Grip Bolts (HSFG) 🔩| Uses & Working