DIN 934 — Hexagon nuts; Metric screw threads; Product grades A and B — ISO 4032 or 8673 — sources disagree
What is the din standard for DIN 934 — Hexagon nuts; Metric screw threads; Product grades A and B — ISO 4032 or 8673 — sources disagree?
For DIN 934, fastener description is Hexagon nuts; Metric screw threads; Product grades A and B; iso equivalent is disputed: 4032 per fullerfasteners.com, 8673 per fullerfasteners.com, 8673 per trfastenings.com, 1 more; en iso number is 4032; date of current standard/modified is 2001-03; title of replacement standard is Hexagon nuts, style 1 – Product grades A and B, verified against its source on 2026-10-12.
Hexagon nuts; Metric screw threads; Product grades A and B | 934 | 4032 | 24032 | 4032 | 4032 | 2001-03 | Hexagon nuts, style 1 – Product grades A and B | Nominal diameter changed, height of the nut changed partially; nuts with fine thread specified in DIN EN ISO 8673; width across flats according to DIN ISO 272 included |
— fullerfasteners.com, retrieved 2026-09-22
- DIN standard
- 934 verified
- Fastener description
- Hexagon nuts; Metric screw threads; Product grades A and B verified
- ISO equivalent
- 4032 sources disagree
- EN ISO number
- 4032 verified
- Date of current standard/modified
- 2001-03 verified
- Title of replacement standard
- Hexagon nuts, style 1 – Product grades A and B verified
- Modification notes
- Nominal diameter changed, height of the nut changed partially; nuts with fine thread specified in DIN EN ISO 8673; width across flats according to DIN ISO 272 included 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 4032, as of 2026-09-22.
Hexagon nuts; Metric screw threads; Product grades A and B | 934 | 4032 | 24032 | 4032 | 4032 | 2001-03 | Hexagon nuts, style 1 – Product grades A and B | Nominal diameter changed, height of the nut changed partially; nuts with fine thread specified in DIN EN ISO 8673; width across flats according to DIN ISO 272 included |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
fullerfasteners.com says iso equivalent is 8673, as of 2026-09-22.
Hexagon nuts; Metric screw threads; Product grades A and B | 934 | 8673 | 28673 | | 8673 | 2001-03 | Hexagon nuts, style 1, with metric fine pitch thread – Product grades A and B | Nominal diameter changed, height of the nut changed partially; nuts with regular type screw thread specified in DIN EN ISO 4032; width across flats according to DIN ISO 272 included |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
trfastenings.com says iso equivalent is 8673, as of 2026-08-12.
DIN 934 | ISO 8673 | | Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
trfastenings.com says iso equivalent is 4032, as of 2026-08-12.
DIN 934 | ISO 4032 | | Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B |
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