DIN 7981 — Cross recessed pan head tapping screws — ISO 7049

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 Cross recessed pan head tapping screws, as of 2026-08-12.

7981 | | | 7049 | 7049 | 1990-08 | Cross recessed pan head tapping screws | Marginal change of head dimensions. Caution with automatic feed and connection systems |

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

monsterbolts.com says fastener description is Head/point differences., as of 2026-08-12.

DIN 7981 | ISO 7049 | Check spec

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

trfastenings.com says fastener description is Cross Recessed Pan Head Tapping Screws, as of 2026-08-12.

DIN 7981 | ISO 7049 | | Cross Recessed Pan Head Tapping Screws |

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

Interchangeability

fullerfasteners.com says interchangeability is Marginal change of head dimensions. Caution with automatic feed and connection systems, as of 2026-08-12.

7981 | | | 7049 | 7049 | 1990-08 | Cross recessed pan head tapping screws | Marginal change of head dimensions. Caution with automatic feed and connection systems |

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

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

DIN 7981 | ISO 7049 | Check spec

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