Specifications:bolt
1)Size : M6-M12
2)Material: Carbon Steel and Alloy Steel
3)Plating: Black Oxide,Zinc, Chrome, Galvanized,Nickle, Dacromet, Delta-Tone, Geomet,
Ruspert
4)Grade: 4.8; 8.8; 10.9;12.9

 5) For more informations.just feel free to contact with me.

  Waiting for your inquiry!