Selling direct to structural steel fabricators, St. Louis Screw & Bolt is one of the oldest structural bolt manufacturers in the USA. Specializing in ASTM F3125 heavy hex & tension control structural bolts in grades A325/F1852/120ksi & A490/F2280/150ksi, types I and III, plain, mechanically... (more)Selling direct to structural steel fabricators, St. Louis Screw & Bolt is one of the oldest structural bolt manufacturers in the USA. Specializing in ASTM F3125 heavy hex & tension control structural bolts in grades A325/F1852/120ksi & A490/F2280/150ksi, types I and III, plain, mechanically galvanized, hot dip galvanized, F1136 & F2833 coatings. St. Louis Screw & Bolt also has a very large inventory of other construction fasteners including anchor bolts, weld studs, & concrete anchors just to name a few. (less)
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