St. Louis Screw & Bolt is one of the longest operating bolt manufacturers in the United States. SLSB specializes in HEX HEAD BOLTS in A325 & A490 type I, III Hot Dip Galv., Mech. Galv., Weathering and Plain Finish. We also custom manufacture Anchor Bolts, Tie Rod Assemblies in diameters from 1/2" through 4" and up to 40 feet in length. Along with manufactured products, SLSB specializes in and has among the nations largest stock of TC bolts (tension control) ASTM F2280/A490 & ASTM F1852/A325. SLSB also sells and services Wrenches for TC and Hex Bolts,
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