Reference Source

DIN 6923

For DIN 6923, iso standard is DIN EN 1661; part is Hex Nut with Flange; interchangeability verdict is Check spec, verified against its source on 2026-08-05.

DIN standard
DIN 6923 verified
ISO standard
DIN EN 1661 verified
Part
Hex Nut with Flange verified
Interchangeability verdict
Check spec verified
Sourcemonsterbolts.com
Verified2026-08-05
Review by2029-08-04
DatasetDIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

What the source says

Hex Nut with Flange | DIN 6923 | DIN EN 1661 | Check spec | Flange geometry/tolerance.

monsterbolts.com, retrieved 2026-08-05

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

ISO standard

monsterbolts.com says iso standard is DIN EN 1661, as of 2026-08-05.

Hex Nut with Flange | DIN 6923 | DIN EN 1661 | Check spec | Flange geometry/tolerance.

https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

trfastenings.com says iso standard is ISO 1661, as of 2026-08-05.

DIN 6923 | ISO 1661 | | Hexagon Nuts with flange |

https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards

Part

monsterbolts.com says part is Hex Nut with Flange, as of 2026-08-05.

Hex Nut with Flange | DIN 6923 | DIN EN 1661 | Check spec | Flange geometry/tolerance.

https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

trfastenings.com says part is Hexagon Nuts with flange, as of 2026-08-05.

DIN 6923 | ISO 1661 | | Hexagon Nuts with flange |

https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards

Sources

Last verified against source: 2026-08-05. Due for re-check by 2029-08-04. This page as Markdown · OKF bundle · full dataset as JSON.