# DIN 1 — Cone Pins, untempered — ISO 2339 For DIN 1, fastener description is Cone Pins, untempered; iso equivalent is 2339, verified against its source on 2026-10-12. - **DIN standard:** 1 _(verified: appears in the quote below)_ - **Fastener description:** Cone Pins, untempered _(verified: appears in the quote below)_ - **ISO equivalent:** 2339 _(verified: appears in the quote below)_ - **EN ISO number:** 22339 _(per fullerfasteners.com, not stated by the source above)_ - **Date of current standard/modified:** 1992-10 _(per fullerfasteners.com, not stated by the source above)_ - **Title of replacement standard:** Unhardened taper pins _(per fullerfasteners.com, not stated by the source above)_ - **Modification notes:** Nominal length redefined (with round end) _(per fullerfasteners.com, not stated by the source above)_ ## What the source says > DIN 1 | ISO 2339 | | Cone Pins, untempered | ## 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 trfastenings.com says fastener description is **Cone Pins, untempered**, as of 2026-09-21. > DIN 1 | ISO 2339 | | Cone Pins, untempered | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards fullerfasteners.com says fastener description is **Unhardened taper pins**, as of 2026-09-22. > Unhardened taper pins | 1 | | 22339 | | 2339 | 1992-10 | Unhardened taper pins | Nominal length redefined (with round end) | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ ## Source - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards - https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ Last verified: 2026-10-12. Review by: 2028-10-11. Part of [Fastener standard equivalences: DIN to ISO / EN crossover](https://referencesource.org/fastener-thread-standard-equivalence/).