# DIN 7978 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

For DIN 7978, iso standard is ISO 8736; part is Taper Pins with internal thread, verified against its source on 2026-08-05.

- **DIN standard:** DIN 7978 _(verified: appears in the quote below)_
- **ISO standard:** ISO 8736 _(verified: appears in the quote below)_
- **Part:** Taper Pins with internal thread _(verified: appears in the quote below)_

## What the source says

> DIN 7978 | ISO 8736 | | Taper Pins with internal 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/).