... ,5.8,8.8 1) Various kinds of bolts available2) Can be made with different tensile strength, such as Class4.6, 4 ... , 10.9 and 12.9, inperial grade 2, 5, 8 and 103) Can be supplied with different finish, such as bright, zinc ... plated, hot-dipgalvanized,mechanical plating, black4) Can be made with different standards, such as ISO, DIN, AS/NZS, GB, ANSI ...