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7800002 Benz U Bolt
Benz U bolt
Material: 45# or 40Cr
Grade: 4.8/8.8/10.9
Heat treatment: thermal refining
Surface:Bake paint, Zinc plate,Phosphating

7800002 Benz U Bolt
Benz U bolt
Material: 45# or 40Cr
Grade: 4.8/8.8/10.9
Heat treatment: thermal refining
Surface:Bake paint, Zinc plate,Phosphating



