Standard: 

GB12-1997,DIN603

Grade: 

4.8, 8.8 

Size:

M6-M20

Surface Treatment: 

Plain, Black,Galvanized with Zinc, HDG

Material:

Mild Stee,Q235

Packing: 

25KG Per Carton, 50KG Per Gunny Bag, Pallet or according to customers  requirements