439-2

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 — deciding between them is yours, not ours.

Fastener description

fullerfasteners.com says fastener description is Hexagon thin nuts with M 1,6 to M 52 and M 8×1 to M 52×3 threads, as of 2026-08-12.

439-2 | 4035 | 24035 | | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed |

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

fullerfasteners.com says fastener description is Hexagon thin nuts with M 1,6 to M 52 and M 8×1 to M 52×3 threads, as of 2026-08-12.

439-2 | 4035 | 24035 | 4035 | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675 |

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

trfastenings.com says fastener description is Chamfered Hexagon Thin Nuts - product grades A and B, as of 2026-08-12.

DIN 439-2 | ISO 4035 | | Chamfered Hexagon Thin Nuts - product grades A and B |

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

fullerfasteners.com says fastener description is Hexagon thin nuts with M 1,6 to M 52 and M 8×1 to M 52×3 threads, as of 2026-08-12.

439-2 | 8675 | 28675 | | 8675 | 2001-03 | Hexagon thin nuts (unchamfered) with metric fine pitch thread – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035 |

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

trfastenings.com says fastener description is Chamfered Hexagon Thin Nuts - product grades A and B, as of 2026-08-12.

DIN 439-2 | ISO 4035 | | Chamfered Hexagon Thin Nuts - product grades A and B | DIN 439-2 | ISO 8675 |

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

ISO equivalent

fullerfasteners.com says iso equivalent is 4035, as of 2026-08-12.

439-2 | 4035 | 24035 | | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed |

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

fullerfasteners.com says iso equivalent is 4035, as of 2026-08-12.

439-2 | 4035 | 24035 | 4035 | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675 |

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

trfastenings.com says iso equivalent is 4035, as of 2026-08-12.

DIN 439-2 | ISO 4035 | | Chamfered Hexagon Thin Nuts - product grades A and B |

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

fullerfasteners.com says iso equivalent is 8675, as of 2026-08-12.

439-2 | 8675 | 28675 | | 8675 | 2001-03 | Hexagon thin nuts (unchamfered) with metric fine pitch thread – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035 |

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

trfastenings.com says iso equivalent is 8675, as of 2026-08-12.

DIN 439-2 | ISO 4035 | | Chamfered Hexagon Thin Nuts - product grades A and B | DIN 439-2 | ISO 8675 |

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

Interchangeability

fullerfasteners.com says interchangeability is In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed, as of 2026-08-12.

439-2 | 4035 | 24035 | | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed |

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

fullerfasteners.com says interchangeability is Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675, as of 2026-08-12.

439-2 | 4035 | 24035 | 4035 | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675 |

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

fullerfasteners.com says interchangeability is Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035, as of 2026-08-12.

439-2 | 8675 | 28675 | | 8675 | 2001-03 | Hexagon thin nuts (unchamfered) with metric fine pitch thread – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035 |

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

Modification notes

fullerfasteners.com says modification notes is In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed, as of 2026-08-12.

439-2 | 4035 | 24035 | | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed |

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

fullerfasteners.com says modification notes is Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675, as of 2026-08-12.

439-2 | 4035 | 24035 | 4035 | 4035 | 2001-03 | Hexagon thin nuts (unchamfered) – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675 |

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

fullerfasteners.com says modification notes is Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035, as of 2026-08-12.

439-2 | 8675 | 28675 | | 8675 | 2001-03 | Hexagon thin nuts (unchamfered) with metric fine pitch thread – Product grades A and B | Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035 |

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