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

For 912, fastener description is Hexagon socket head cap screws; iso equivalent is 4762; interchangeability is Nominal size range changed; fine thread deleted (ISO 21269); modification notes is Nominal size range changed; fine thread deleted (ISO 21269), verified against its source on 2026-08-12.

- **DIN standard:** 912 _(verified: appears in the quote below)_
- **Fastener description:** Hexagon socket head cap screws _(verified: appears in the quote below)_
- **ISO equivalent:** 4762 _(verified: appears in the quote below)_
- **Interchangeability:** Nominal size range changed; fine thread deleted (ISO 21269) _(verified: appears in the quote below)_
- **Modification notes:** Nominal size range changed; fine thread deleted (ISO 21269) _(verified: appears in the quote below)_

## What the source says

> Hexagon socket head cap screws | 912 | 4762 | | | 4762 | 2004-06 | Hexagon socket head cap screws | Nominal size range changed; fine thread deleted (ISO 21269) |

## 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 head cap screws**, as of 2026-08-12.

> Hexagon socket head cap screws | 912 | 4762 | | | 4762 | 2004-06 | Hexagon socket head cap screws | Nominal size range changed; fine thread deleted (ISO 21269) |

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

monsterbolts.com says fastener description is **Primary SHCS spec (coarse).**, as of 2026-08-12.

> DIN 912 | ISO 4762 | Fully interchangeable

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

trfastenings.com says fastener description is **Hexagon Socket Head Cap Screws (modified version of ISO 4762)**, as of 2026-08-12.

> DIN 912 | ISO 4762 | BS4168 | Hexagon Socket Head Cap Screws (modified version of ISO 4762) | DIN 912 | ISO 21268 |

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

trfastenings.com says fastener description is **Hexagon Socket Head Cap Screws (modified version of ISO 4762)**, as of 2026-08-12.

> DIN 912 | ISO 4762 | BS4168 | Hexagon Socket Head Cap Screws (modified version of ISO 4762) |

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


### ISO equivalent

fullerfasteners.com says iso equivalent is **4762**, as of 2026-08-12.

> Hexagon socket head cap screws | 912 | 4762 | | | 4762 | 2004-06 | Hexagon socket head cap screws | Nominal size range changed; fine thread deleted (ISO 21269) |

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

monsterbolts.com says iso equivalent is **4762**, as of 2026-08-12.

> DIN 912 | ISO 4762 | Fully interchangeable

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

trfastenings.com says iso equivalent is **21268**, as of 2026-08-12.

> DIN 912 | ISO 4762 | BS4168 | Hexagon Socket Head Cap Screws (modified version of ISO 4762) | DIN 912 | ISO 21268 |

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

trfastenings.com says iso equivalent is **4762**, as of 2026-08-12.

> DIN 912 | ISO 4762 | BS4168 | Hexagon Socket Head Cap Screws (modified version of ISO 4762) |

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


### Interchangeability

fullerfasteners.com says interchangeability is **Nominal size range changed; fine thread deleted (ISO 21269)**, as of 2026-08-12.

> Hexagon socket head cap screws | 912 | 4762 | | | 4762 | 2004-06 | Hexagon socket head cap screws | Nominal size range changed; fine thread deleted (ISO 21269) |

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

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

> DIN 912 | ISO 4762 | 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
- 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/).