# DIN 609 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

For DIN 609, part is Hexagon Fits Bolts with long thread, verified against its source on 2026-08-05.

- **DIN standard:** DIN 609 _(verified: appears in the quote below)_
- **Part:** Hexagon Fits Bolts with long thread _(verified: appears in the quote below)_

## What the source says

> DIN 609 | | | Hexagon Fits Bolts with long thread |

## 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/).