# DIN 6901 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 6901, iso standard is ISO 10510; part is Tapping Screw and Washer assemblies, verified against its source on 2026-08-05. - **DIN standard:** DIN 6901 _(verified: appears in the quote below)_ - **ISO standard:** ISO 10510 _(verified: appears in the quote below)_ - **Part:** Tapping Screw and Washer assemblies _(verified: appears in the quote below)_ ## What the source says > DIN 6901 | ISO 10510 | | Tapping Screw and Washer assemblies | ## 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/).