similar to DIN 931 | ISO standard has been withdrawn
ISO 4014 | steel | 8.8 | hot-dip galvanised (thermally galvanised) | Cr(VI) - free | metric thread
Note: Similar to DIN 931 | DIN-standard has been withdrawn | hot-dip galvanised screws have very good resistance against corrosion. The zinc layer is much thicker than with galvanic coatings
This standard specifies the characteristics of hexagon head bolts of product grade A and B:
Product grade A = For threads M1,6 to M24 and nominal lengths ≤ 10d or 150 mm, whichever is the shorter
Product grade B = For threads over M24 or nominal lengths > 10d or 150 mm, whichever is the shorter.
Information about the product class can be found in the technical details of the selected article.