# DIN 970 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 970, iso standard is ISO 4032; part is Hexagon Nuts; style 1; metric coarse thread, product grades A and B; ISO 4032 modified, verified against its source on 2026-08-05. - **DIN standard:** DIN 970 _(verified: appears in the quote below)_ - **ISO standard:** ISO 4032 _(verified: appears in the quote below)_ - **Part:** Hexagon Nuts; style 1; metric coarse thread, product grades A and B; ISO 4032 modified _(verified: appears in the quote below)_ ## What the source says > DIN 970 | ISO 4032 | | Hexagon Nuts; style 1; metric coarse thread, product grades A and B; ISO 4032 modified | ## Source - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-05. Review by: 2029-08-04. Part of [DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable](https://referencesource.org/fastener-standard-interchangeability-exceptions/).