# 6900 — Fastener standard equivalences: DIN to ISO / EN crossover

For 6900, fastener description is Screw and Washer assemblies; iso equivalent is 10644, verified against its source on 2026-08-12.

- **DIN standard:** 6900 _(verified: appears in the quote below)_
- **Fastener description:** Screw and Washer assemblies _(verified: appears in the quote below)_
- **ISO equivalent:** 10644 _(verified: appears in the quote below)_

## What the source says

> DIN 6900 | ISO 10644 | | Screw and Washer assemblies |

## Source

- 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/).