Joint-stock company VORONEZHSTALMOST ZAO is specialized in the manufacture of high strength bolts, nuts and washers for high strength friction grip connections. High strength bolts M22, M24, M27 are fabricated in compliance with russian standards GOST 22353-77, GOST 22354-77, GOST 22355-77, GOST 22356-77. All high strength fasteners are subjected to rigorous quality control and the required load testing is performed.