... 27*130,30*270 3Surface:Black,Zinc,Dacro 4Certificate:ISO9 Different types of grade 8.8 bolt specification Details of the product ... Malaysia and Africa and so on.Pictures:1.certificate:2. Various honorary certificates:3.products:Zinc, Black, Dacron grade 8.8 ... . Factory view figures: PackagingFactory viewTesting equipmentsWorkshop Welcome your visit! Different types of grade 8.8 bolt specification