# 934 — Fastener standard equivalences: DIN to ISO / EN crossover For 934, fastener description is Hexagon nuts; Metric screw threads; Product grades A and B; iso equivalent is 4032; interchangeability is 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; modification notes is 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 against its source on 2026-08-12. - **DIN standard:** 934 _(verified: appears in the quote below)_ - **Fastener description:** Hexagon nuts; Metric screw threads; Product grades A and B _(verified: appears in the quote below)_ - **ISO equivalent:** 4032 _(verified: appears in the quote below)_ - **Interchangeability:** 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: appears in the quote below)_ - **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: appears in the quote below)_ ## What the source says > 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 | ## 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. ### Fastener description fullerfasteners.com says fastener description is **Hexagon nuts; Metric screw threads; Product grades A and B**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says fastener description is **Hexagon nuts; Metric screw threads; Product grades A and B**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ trfastenings.com says fastener description is **Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B**, as of 2026-08-12. > DIN 934 | ISO 4032 | | Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B | DIN 934 | ISO 8673 | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards trfastenings.com says fastener description is **Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B**, as of 2026-08-12. > DIN 934 | ISO 4032 | | Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ### ISO equivalent fullerfasteners.com says iso equivalent is **4032**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says iso equivalent is **8673**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ trfastenings.com says iso equivalent is **8673**, as of 2026-08-12. > DIN 934 | ISO 4032 | | Hexagon Nuts with metric coarse and fine pitch thread - product classes A and B | DIN 934 | ISO 8673 | Source: 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 | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ### Interchangeability fullerfasteners.com says interchangeability is **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**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says interchangeability is **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**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ ### Modification notes fullerfasteners.com says modification notes is **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**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says modification notes is **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**, as of 2026-08-12. > 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 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ ## Source - https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-12. Review by: 2028-08-11. Part of [Fastener standard equivalences: DIN to ISO / EN crossover](https://referencesource.org/fastener-thread-standard-equivalence/).