# 1471 — Fastener standard equivalences: DIN to ISO / EN crossover For 1471, fastener description is Grooved pins – Fulllength taper grooved; iso equivalent is 8744; 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:** 1471 _(verified: appears in the quote below)_ - **Fastener description:** Grooved pins – Fulllength taper grooved _(verified: appears in the quote below)_ - **ISO equivalent:** 8744 _(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 > 1471 | 8744 | 28744 | | 8744 | 1998-03 | Grooved pins – Full-length taper grooved | 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 – Fulllength taper grooved**, as of 2026-08-12. > 1471 | 8744 | 28744 | | 8744 | 1998-03 | Grooved pins – Full-length taper grooved | 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 taper-grooved**, as of 2026-08-12. > DIN 1471 | ISO 8744 | | Grooved Pins, full length taper-grooved | 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/).