Home / Products / Nuts ASTM A563 Gr.A Carbon Steel Hex Nuts ASTM A563 Gr A 3 ASTM A563 Gr A 4 ASTM A563 Gr A 2 1 Notes :Unit: InchDimensions per :ANSI B18.2.2Finish :Plain (Uncoated)Hot Dip GalvanizedZinc PlatedRelated Product Links :ASTM A307AASTM A194