Heavy hex structural bolt
Standard: ASME B18.2.6; ASME B18.2.3.7M
Dia.: 1/2" ~1 1/2", M12~M36
Length:1 1/4"-10";30-250mm
Material/Grade: ASTM A325/A325M; ASTM A490/A490M
Surface treatment: plain, black oxygenation, zinc plated, hot dip galvanizing, etc.
