DIN 6796 | steel | spring steel | zinc-plated, thick-film passivated | Cr(VI) - free < Surface (VZD): Mechanically galvanized, passivated, min. 8µm | corrosion resistance to DIN EN ISO 9227 | red rust 144h | defined coefficient of friction µ(total) = 0.12 - 0.18 for high-strength screws (= 8.8)
>*The verification of the mentioned minimum requirements is carried out according to the test conditions of ISO/CD 4042:2016, galvanic coatings for fasteners. For dimensions < M5, the above values may deviate downwards.