# DIN 7977 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

For DIN 7977, iso standard is ISO 8737; part is Taper Pins with thread ends and constant point lengths, verified against its source on 2026-08-05.

- **DIN standard:** DIN 7977 _(verified: appears in the quote below)_
- **ISO standard:** ISO 8737 _(verified: appears in the quote below)_
- **Part:** Taper Pins with thread ends and constant point lengths _(verified: appears in the quote below)_

## What the source says

> DIN 7977 | ISO 8737 | | Taper Pins with thread ends and constant point lengths |

## 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/).