DIN 6914 — High-strength hexagon head bolts with large widths across flats for structural steel bolting — ISO 7412 or 14399-4 — sources disagree
What is the din standard for DIN 6914 — High-strength hexagon head bolts with large widths across flats for structural steel bolting — ISO 7412 or 14399-4 — sources disagree?
For DIN 6914, fastener description is High-strength hexagon head bolts with large widths across flats for structural steel bolting; iso equivalent is disputed: 7412 per fullerfasteners.com, 14399-4 per trfastenings.com; en iso number is 14399-4; date of current standard/modified is 2006-06; title of replacement standard is High-strength structural bolting assemblies for preloading – Part 4: System HV – Hexagon bolt and nut assemblies, verified against its source on 2026-10-12.
High-strength hexagon head bolts with large widths across flats for structural steel bolting | 6914 | | 14399-4 | | 7412 | 2006-06 | High-strength structural bolting assemblies for preloading – Part 4: System HV – Hexagon bolt and nut assemblies | |
— fullerfasteners.com, retrieved 2026-09-22
- DIN standard
- 6914 verified
- Fastener description
- High-strength hexagon head bolts with large widths across flats for structural steel bolting verified
- ISO equivalent
- 7412 sources disagree
- EN ISO number
- 14399-4 verified
- Date of current standard/modified
- 2006-06 verified
- Title of replacement standard
- High-strength structural bolting assemblies for preloading – Part 4: System HV – Hexagon bolt and nut assemblies verified
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 equivalent
fullerfasteners.com says iso equivalent is 7412, as of 2026-09-22.
High-strength hexagon head bolts with large widths across flats for structural steel bolting | 6914 | | 14399-4 | | 7412 | 2006-06 | High-strength structural bolting assemblies for preloading – Part 4: System HV – Hexagon bolt and nut assemblies | |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
trfastenings.com says iso equivalent is 14399-4, as of 2026-08-12.
DIN 6914 | ISO 14399-4 | | High-strength Hexagon Head Bolts with large widths across flats for structural steel bolting |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
Sources
- fullerfasteners.comhttps://fullerfasteners.com/tech/din-iso-en-crossover-chart/
- trfastenings.comhttps://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards