DIN 6921
For DIN 6921, iso standard is DIN EN 1665; part is Hex Head Bolts with Flange; interchangeability verdict is Check spec, verified against its source on 2026-08-05.
- DIN standard
- DIN 6921 verified
- ISO standard
- DIN EN 1665 verified
- Part
- Hex Head Bolts with Flange verified
- Interchangeability verdict
- Check spec verified
What the source says
Hex Head Bolts with Flange | DIN 6921 | DIN EN 1665 | Check spec | Flange OD/serrations/tolerance windows.
— 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 1665, as of 2026-08-05.
Hex Head Bolts with Flange | DIN 6921 | DIN EN 1665 | Check spec | Flange OD/serrations/tolerance windows.
https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
trfastenings.com says iso standard is ISO 1665, as of 2026-08-05.
DIN 6921 | ISO 1665 | | Hexagon Flange Bolts |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
Part
monsterbolts.com says part is Hex Head Bolts with Flange, as of 2026-08-05.
Hex Head Bolts with Flange | DIN 6921 | DIN EN 1665 | Check spec | Flange OD/serrations/tolerance windows.
https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
trfastenings.com says part is Hexagon Flange Bolts, as of 2026-08-05.
DIN 6921 | ISO 1665 | | Hexagon Flange Bolts |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
Sources
- monsterbolts.comhttps://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
- trfastenings.comhttps://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards