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

For 417, fastener description is Slotted set screws with long dog point; iso equivalent is 7435; en iso number is 27435; interchangeability is No modifications of dimensions; modification notes is No modifications of dimensions, verified against its source on 2026-08-12.

- **DIN standard:** 417 _(verified: appears in the quote below)_
- **Fastener description:** Slotted set screws with long dog point _(verified: appears in the quote below)_
- **ISO equivalent:** 7435 _(verified: appears in the quote below)_
- **EN ISO number:** 27435 _(verified: appears in the quote below)_
- **Interchangeability:** No modifications of dimensions _(verified: appears in the quote below)_
- **Modification notes:** No modifications of dimensions _(verified: appears in the quote below)_

## What the source says

> No modifications of dimensions | Slotted set screws with long dog point | 417 | | 27435 | | 7435 | 1992-10 | Slotted set screws with long dog point |

## 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 **Slotted set screws with long dog point**, as of 2026-08-12.

> No modifications of dimensions | Slotted set screws with long dog point | 417 | | 27435 | | 7435 | 1992-10 | Slotted set screws with long dog point |

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

monsterbolts.com says fastener description is **Legacy to EN conversion.**, as of 2026-08-12.

> DIN 417 | DIN EN 27435 | Check spec

Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

trfastenings.com says fastener description is **Slotted Set Screws with long dog point**, as of 2026-08-12.

> DIN 417 | ISO 7435 | | Slotted Set Screws with long dog point |

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


### ISO equivalent

fullerfasteners.com says iso equivalent is **7435**, as of 2026-08-12.

> No modifications of dimensions | Slotted set screws with long dog point | 417 | | 27435 | | 7435 | 1992-10 | Slotted set screws with long dog point |

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

monsterbolts.com says iso equivalent is **27435**, as of 2026-08-12.

> DIN 417 | DIN EN 27435 | Check spec

Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

trfastenings.com says iso equivalent is **7435**, as of 2026-08-12.

> DIN 417 | ISO 7435 | | Slotted Set Screws with long dog point |

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


### Interchangeability

fullerfasteners.com says interchangeability is **No modifications of dimensions**, as of 2026-08-12.

> No modifications of dimensions | Slotted set screws with long dog point | 417 | | 27435 | | 7435 | 1992-10 | Slotted set screws with long dog point |

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

monsterbolts.com says interchangeability is **Check spec**, as of 2026-08-12.

> DIN 417 | DIN EN 27435 | Check spec

Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners


## Source

- https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
- https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
- 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/).