# 7971 — Fastener standard equivalences: DIN to ISO / EN crossover

For 7971, fastener description is Slotted Pan Head Tapping Screws; iso equivalent is 1481, verified against its source on 2026-08-12.

- **DIN standard:** 7971 _(verified: appears in the quote below)_
- **Fastener description:** Slotted Pan Head Tapping Screws _(verified: appears in the quote below)_
- **ISO equivalent:** 1481 _(verified: appears in the quote below)_

## What the source says

> DIN 7971 | ISO 1481 | BS4174 | Slotted Pan Head Tapping Screws |

## Source

- https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards

Last verified: 2026-08-12. Review by: 2028-08-11.
Part of [Fastener standard equivalences: DIN to ISO / EN crossover](https://referencesource.org/fastener-thread-standard-equivalence/).