# 6925 — Fastener standard equivalences: DIN to ISO / EN crossover For 6925, fastener description is Prevailing torque type all-metal hexagon nuts; iso equivalent is 7042; interchangeability is Height of nut changed; width across flat according to ISO 272 included; modification notes is Height of nut changed; width across flat according to ISO 272 included, verified against its source on 2026-08-12. - **DIN standard:** 6925 _(verified: appears in the quote below)_ - **Fastener description:** Prevailing torque type all-metal hexagon nuts _(verified: appears in the quote below)_ - **ISO equivalent:** 7042 _(verified: appears in the quote below)_ - **Interchangeability:** Height of nut changed; width across flat according to ISO 272 included _(verified: appears in the quote below)_ - **Modification notes:** Height of nut changed; width across flat according to ISO 272 included _(verified: appears in the quote below)_ ## What the source says > Prevailing torque type all-metal hexagon nuts | 6925 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to 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 **Prevailing torque type all-metal hexagon nuts**, as of 2026-08-12. > Prevailing torque type all-metal hexagon nuts | 6925 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says fastener description is **Prevailing torque type all-metal hexagon nuts**, as of 2026-08-12. > Prevailing torque type all-metal hexagon nuts | 6925 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included | Prevailing torque type all-metal hexagon nuts | 6925 | 10513 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ trfastenings.com says fastener description is **Prevailing torque type all-metal Hexagon Nuts**, as of 2026-08-12. > DIN 6925 | ISO 7042 | | Prevailing torque type all-metal Hexagon Nuts | DIN 6925 | ISO 10513 | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards trfastenings.com says fastener description is **Prevailing torque type all-metal Hexagon Nuts**, as of 2026-08-12. > DIN 6925 | ISO 7042 | | Prevailing torque type all-metal Hexagon Nuts | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ### ISO equivalent fullerfasteners.com says iso equivalent is **7042**, as of 2026-08-12. > Prevailing torque type all-metal hexagon nuts | 6925 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ fullerfasteners.com says iso equivalent is **10513**, as of 2026-08-12. > Prevailing torque type all-metal hexagon nuts | 6925 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included | Prevailing torque type all-metal hexagon nuts | 6925 | 10513 | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ trfastenings.com says iso equivalent is **10513**, as of 2026-08-12. > DIN 6925 | ISO 7042 | | Prevailing torque type all-metal Hexagon Nuts | DIN 6925 | ISO 10513 | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards trfastenings.com says iso equivalent is **7042**, as of 2026-08-12. > DIN 6925 | ISO 7042 | | Prevailing torque type all-metal Hexagon Nuts | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ## 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/).