# 7500-1 — Fastener standard equivalences: DIN to ISO / EN crossover

For 7500-1, fastener description is Thread rolling screws for ISO metric thread – Part 1: Technical specifications for case hardened and tempered screws; iso equivalent is 7085; interchangeability is Normative revision, values for case-hardening depth and hole size revised, torque values reduced; modification notes is Normative revision, values for case-hardening depth and hole size revised, torque values reduced, recorded from its source on 2026-08-12.

- **DIN standard:** 7500-1 _(verified: appears in the quote below)_
- **Fastener description:** Thread rolling screws for ISO metric thread – Part 1: Technical specifications for case hardened and tempered screws
- **ISO equivalent:** 7085 _(verified: appears in the quote below)_
- **Interchangeability:** Normative revision, values for case-hardening depth and hole size revised, torque values reduced _(verified: appears in the quote below)_
- **Modification notes:** Normative revision, values for case-hardening depth and hole size revised, torque values reduced _(verified: appears in the quote below)_

## What the source says

> 7500-1 | 7085 | | | | 2009-06 | Thread rolling screws for ISO-metric thread | Normative revision, values for case-hardening depth and hole size revised, torque values reduced |

## Sources disagree

More than one authority states this, and they do not state the same
thing. Both are reproduced with the source each came from.

### Fastener description

fullerfasteners.com says fastener description is **Thread rolling screws for ISO metric thread – Part 1: Technical specifications for case hardened and tempered screws**, as of 2026-08-12.

> 7500-1 | 7085 | | | | 2009-06 | Thread rolling screws for ISO-metric thread | Normative revision, values for case-hardening depth and hole size revised, torque values reduced |

Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/

trfastenings.com says fastener description is **Thread rolling Screws for metric ISO thread - Part 1: Types, designation, requirements**, as of 2026-08-12.

> DIN 7500-1 | ISO 7085 | | Thread rolling Screws for metric ISO thread - Part 1: Types, designation, requirements |

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


## Source

- https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
- 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/).