Reference Source

985

For 985, fastener description is Prevailing torque type hexagon thin nuts with non-metallic insert; iso equivalent is 10511; interchangeability is Height of nut changed; width across flat according to ISO 272 included; modification notes is Height of nut changed; width across flat according to ISO 272 included, verified against its source on 2026-08-12.

DIN standard
985 verified
Fastener description
Prevailing torque type hexagon thin nuts with non-metallic insert verified
ISO equivalent
10511 verified
Interchangeability
Height of nut changed; width across flat according to ISO 272 included verified
Modification notes
Height of nut changed; width across flat according to ISO 272 included verified
Sourcefullerfasteners.com
Verified
Review by
DatasetFastener standard equivalences: DIN to ISO / EN crossover

What the source says

Prevailing torque type hexagon thin nuts with non-metallic insert | 985 | 10511 | | | 10511 | 1998-02 | Prevailing torque type hexagon, thin nuts (with non-metallic insert) | Height of nut changed; width across flat according to ISO 272 included |

fullerfasteners.com, retrieved 2026-08-12

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 Prevailing torque type hexagon thin nuts with non-metallic insert, as of 2026-08-12.

Prevailing torque type hexagon thin nuts with non-metallic insert | 985 | 10511 | | | 10511 | 1998-02 | Prevailing torque type hexagon, thin nuts (with non-metallic insert) | Height of nut changed; width across flat according to ISO 272 included |

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

monsterbolts.com says fastener description is Thin pattern; verify heights., as of 2026-08-12.

DIN 985 | ISO 10511 | Check spec

https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

trfastenings.com says fastener description is Prevailing torque type Hexagon Thin Nuts with non-metallic insert, as of 2026-08-12.

DIN 985 | ISO 10511 | | Prevailing torque type Hexagon Thin Nuts with non-metallic insert |

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

Interchangeability

fullerfasteners.com says interchangeability is Height of nut changed; width across flat according to ISO 272 included, as of 2026-08-12.

Prevailing torque type hexagon thin nuts with non-metallic insert | 985 | 10511 | | | 10511 | 1998-02 | Prevailing torque type hexagon, thin nuts (with non-metallic insert) | Height of nut changed; width across flat according to ISO 272 included |

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

monsterbolts.com says interchangeability is Check spec, as of 2026-08-12.

DIN 985 | ISO 10511 | Check spec

https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.