This specification covers B7, B8, B8M grades and high-strength steel bolts of Classes 10.9 and 12.9, designed for structural steel joints. Commonly known as High Friction Grip (HFG) Bolts or Structural Bolts, these bolts are available in sizes ranging from M12 to M36. ABC Pune’s structural bolts are precision-engineered to deliver high strength, reliable performance, and safety in demanding construction and industrial applications.