Hex structural bolt/Heavy hex bolts

Norm:ASTM A325/A490/DIN6914

Grade:Type 1,Class 10.9,12.9

Diameter:1/2” to 1 1/2” & M12 to M36

Length:1” to 12” & 30 to 300mm

Finish:Plain,Black,Zinc plated,Yellow zinc plated,HDG,Geomet,Magni,zinc nickel and so on