# DIN 6922 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 6922, iso standard is ISO 1665; part is Hexagon Flange Bolts with reduced shank, verified against its source on 2026-08-05. - **DIN standard:** DIN 6922 _(verified: appears in the quote below)_ - **ISO standard:** ISO 1665 _(verified: appears in the quote below)_ - **Part:** Hexagon Flange Bolts with reduced shank _(verified: appears in the quote below)_ ## What the source says > DIN 6922 | ISO 1665 | | Hexagon Flange Bolts with reduced shank | ## Source - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-05. Review by: 2029-08-04. Part of [DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable](https://referencesource.org/fastener-standard-interchangeability-exceptions/).