... .9. Full thread carbon steel hex bolt DIN9331) Various kinds of bolts available2) Can be made with different tensile strength, such ... plating, black4) Can be made with different standards, such as ISO, DIN, AS/NZS, GB, ANSI, BS and special standard according ... stainless steel,brass,nickel alloys,or aluminum alloy.Quality of the metal used is of utmost importance in order to avoid mistakes.The ...