# DIN 7970 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 7970, iso standard is ISO 1478; part is Threads and thread ends for tapping screws (modified version of ISO 1478), verified against its source on 2026-08-05. - **DIN standard:** DIN 7970 _(verified: appears in the quote below)_ - **ISO standard:** ISO 1478 _(verified: appears in the quote below)_ - **Part:** Threads and thread ends for tapping screws (modified version of ISO 1478) _(verified: appears in the quote below)_ ## What the source says > DIN 7970 | ISO 1478 | | Threads and thread ends for tapping screws (modified version of ISO 1478) | ## 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/).