Grade: 4.8 8.8 10.9 12.9 Material: 45# Steel 40 Cr 35MoCr Finishing: Black Oxide Zinc Plated Phosphal

1)Grade:Ordinary standard 10.9,12.9(Or as required)  2) Material: 40Cr 45#steel,35CrMo..3) Finishing:Black Oxide, Zinc Plated, Phosphate,Dacromet,ect.4) Packing:Neutral export carton box. Pallets5) Metric and Imperial dimension are all available.

6) Din 6923 Flang Nut and big flange

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