Home / Products / Bolts ASTM A307A Carbon Steel Bolts and Studs, Min 60,000 PSI Tensile Strength Notes :Unit: InchT: Thread LengthsT1: L ≤ 6 InchesT2 : L > 6 InchesDimensions per :ASME B18.2.1Finish :BlackZinc PlatedHot Dip GalvanizedRelated Product Links :ASTM A307BASTM A563 Gr.A