# DIN 931-1 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

For DIN 931-1, iso standard is ISO 4014; bs standard is BS3692; part is M1,6 to M39 Hexagon Cap Screws partially threaded - product grades A and B, verified against its source on 2026-08-05.

- **DIN standard:** DIN 931-1 _(verified: appears in the quote below)_
- **ISO standard:** ISO 4014 _(verified: appears in the quote below)_
- **BS standard:** BS3692 _(verified: appears in the quote below)_
- **Part:** M1,6 to M39 Hexagon Cap Screws partially threaded - product grades A and B _(verified: appears in the quote below)_

## What the source says

> DIN 931-1 | ISO 4014 | BS3692 | M1,6 to M39 Hexagon Cap Screws partially threaded - product grades A and B |

## 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/).