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

For 914, fastener description is Hexagon socket set screws with cone point; iso equivalent is 4027; interchangeability is Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted; modification notes is Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted, verified against its source on 2026-08-12.

- **DIN standard:** 914 _(verified: appears in the quote below)_
- **Fastener description:** Hexagon socket set screws with cone point _(verified: appears in the quote below)_
- **ISO equivalent:** 4027 _(verified: appears in the quote below)_
- **Interchangeability:** Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted _(verified: appears in the quote below)_
- **Modification notes:** Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted _(verified: appears in the quote below)_

## What the source says

> 914 | 4027 | | | 4027 | 2004-05 | Hexagon socket set screws with cone point | Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted |

## 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 **Hexagon socket set screws with cone point**, as of 2026-08-12.

> 914 | 4027 | | | 4027 | 2004-05 | Hexagon socket set screws with cone point | Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted |

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

monsterbolts.com says fastener description is **Headless, cone.**, as of 2026-08-12.

> DIN 914 | ISO 4027 | Fully interchangeable

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

trfastenings.com says fastener description is **Hexagon Socket Set Screws with cone point (ISO 4029 modified)**, as of 2026-08-12.

> DIN 914 | ISO 4027 | | Hexagon Socket Set Screws with cone point (ISO 4029 modified) |

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


### Interchangeability

fullerfasteners.com says interchangeability is **Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted**, as of 2026-08-12.

> 914 | 4027 | | | 4027 | 2004-05 | Hexagon socket set screws with cone point | Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted |

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

monsterbolts.com says interchangeability is **Fully interchangeable**, as of 2026-08-12.

> DIN 914 | ISO 4027 | Fully interchangeable

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/).