# DIN 923 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 923, part is Slotted Pan Head Screws with shoulder, verified against its source on 2026-08-05. - **DIN standard:** DIN 923 _(verified: appears in the quote below)_ - **Part:** Slotted Pan Head Screws with shoulder _(verified: appears in the quote below)_ ## What the source says > DIN 923 | | | Slotted Pan Head Screws with shoulder | ## 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/).