# DIN 85 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

For DIN 85, iso standard is ISO 1580; bs standard is BS4183; part is Product grade A Slotted Pan Head Screws, verified against its source on 2026-08-05.

- **DIN standard:** DIN 85 _(verified: appears in the quote below)_
- **ISO standard:** ISO 1580 _(verified: appears in the quote below)_
- **BS standard:** BS4183 _(verified: appears in the quote below)_
- **Part:** Product grade A Slotted Pan Head Screws _(verified: appears in the quote below)_

## What the source says

> DIN 85 | ISO 1580 | BS4183 | Product grade A Slotted Pan Head Screws |

## 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/).