Haydon specializes in custom manufactured Anchor Bolts, Tie Rod Assemblies, U-Bolts, Eye Bolts, and J-Bolts in diameters from 1/2" through 4" and up to 40 feet in length. Along with our manufactured products, Haydon specializes in and carries one of the American's largest stock of structural bolts, nuts & washers. We stock TC Bolts (Tension Control Shear Bolts) per ASTM F-1852 (A325) Plain & Mechanically Galvanized and A490-1 Plain from 5/8" though 1-1/8" Diameter. We also stock Heavy Hex Structural Bolts per ASTM A325-1 Plain, Hot Dip Galvanized, Mechanically Galvanized & A325-3 Weathering Steel and A490-1 & A490-3 Weathering From 1/2" Diameter through 1-1/2" Diameter. We manufacture & stock larger diameter structural bolts per ASTM A449 & A354-BD.