# 1473 — Fastener standard equivalences: DIN to ISO / EN crossover

For 1473, fastener description is Grooved pins – Full-length parallel grooved, with chamfer; iso equivalent is 8740; interchangeability is Nominal lengths redefined. Shear rate increased; modification notes is Nominal lengths redefined. Shear rate increased, verified against its source on 2026-08-12.

- **DIN standard:** 1473 _(verified: appears in the quote below)_
- **Fastener description:** Grooved pins – Full-length parallel grooved, with chamfer _(verified: appears in the quote below)_
- **ISO equivalent:** 8740 _(verified: appears in the quote below)_
- **Interchangeability:** Nominal lengths redefined. Shear rate increased. _(verified: appears in the quote below)_
- **Modification notes:** Nominal lengths redefined. Shear rate increased. _(verified: appears in the quote below)_

## What the source says

> 1473 | 8740 | 28740 | | 8740 | 1998-03 | Grooved pins – Full-length parallel grooved, with chamfer | Nominal lengths redefined. Shear rate increased. |

## 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 **Grooved pins – Full-length parallel grooved, with chamfer**, as of 2026-08-12.

> 1473 | 8740 | 28740 | | 8740 | 1998-03 | Grooved pins – Full-length parallel grooved, with chamfer | Nominal lengths redefined. Shear rate increased. |

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

trfastenings.com says fastener description is **Grooved Pins, full length parallel-grooved with chamfer**, as of 2026-08-12.

> DIN 1473 | ISO 8740 | | Grooved Pins, full length parallel-grooved with chamfer |

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/).