DIN 980 — All-metal prevailing torque type hexagon nuts — ISO 7042

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 All-metal prevailing torque type hexagon nuts, as of 2026-08-12.

All-metal prevailing torque type hexagon nuts | 980 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included |

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

fullerfasteners.com says fastener description is All-metal prevailing torque type hexagon nuts, as of 2026-08-12.

All-metal prevailing torque type hexagon nuts | 980 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included | All-metal prevailing torque type hexagon nuts | 980 | 10513 |

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

trfastenings.com says fastener description is All-metal prevailing torque type Hexagon Nuts, as of 2026-08-12.

DIN 980 | ISO 7042 | | All-metal prevailing torque type Hexagon Nuts | DIN 980 | ISO 10513 |

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

trfastenings.com says fastener description is All-metal prevailing torque type Hexagon Nuts, as of 2026-08-12.

DIN 980 | ISO 7042 | | All-metal prevailing torque type Hexagon Nuts |

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

ISO equivalent

fullerfasteners.com says iso equivalent is 7042, as of 2026-08-12.

All-metal prevailing torque type hexagon nuts | 980 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included |

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

fullerfasteners.com says iso equivalent is 10513, as of 2026-08-12.

All-metal prevailing torque type hexagon nuts | 980 | 7042 | 27042 | | 7042 | 1998-02 | Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 | Height of nut changed; width across flat according to ISO 272 included | All-metal prevailing torque type hexagon nuts | 980 | 10513 |

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

trfastenings.com says iso equivalent is 10513, as of 2026-08-12.

DIN 980 | ISO 7042 | | All-metal prevailing torque type Hexagon Nuts | DIN 980 | ISO 10513 |

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

trfastenings.com says iso equivalent is 7042, as of 2026-08-12.

DIN 980 | ISO 7042 | | All-metal prevailing torque type Hexagon Nuts |

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