Standard: 

GB/T15389-1988,DIN975, DIN976,GB/T897-1988,DIN939,

IFI-136 2002

Grade: 

4.6, 4.8, 5.8,8.8, 10.9 

Size:

M6-M124

Surface Treatment: 

Plain, Black,Galvanized with Zinc, HDG

Material:

Carbon Steel, Stainless Steel, 40Cr, Q235, Q345

Packing: 

In bundles, Pallet or according to customers’ requirements