# DIN 462 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 462, part is Machine tools; internal tab washers for slotted round nuts for hook spanner according to DIN 1804, verified against its source on 2026-08-05. - **DIN standard:** DIN 462 _(verified: appears in the quote below)_ - **Part:** Machine tools; internal tab washers for slotted round nuts for hook spanner according to DIN 1804 _(verified: appears in the quote below)_ ## What the source says > DIN 462 | | | Machine tools; internal tab washers for slotted round nuts for hook spanner according to DIN 1804 | ## 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/).