High strength HDG bolt 10.9s

1.Materials: low carbon alloy steel 20MnTiB

2.Property Class:8.8 or 10.9s

3.Appy to standard: ASTM A325 A490 GB1228 DIN933,ect

4.Size-Dia. 5/8''~1 1/4''(M16-M30)

5.Surface treatment: Hot dip galvanized

6.packing: export carton and wooden pallet or wooden box

High strength HDG bolt