The warranty period for anchoring devices is determined by the manufacturer. Therefore, while it can be said that the most resistant products are those made of pickled or electropolished AISI 304 stainless steel and AISI 316 stainless steel, it's impossible to provide a definitive answer.
The durability of devices depends on a series of factors including the material, the use made of them, the technical characteristics, the atmospheric conditions to which they are subjected, etc.
