similar to DIN 933 | ISO standard has been withdrawn
ISO 4017 | stainless steel | A4 | Cr(VI) - free | metric thread
Note: Similar to DIN 931 | DIN-standard has been withdrawn | changed spanner widths for M10, M12, M14 and M22
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.