7981
For 7981, fastener description is Cross recessed pan head tapping screws; iso equivalent is 7049; interchangeability is Marginal change of head dimensions. Caution with automatic feed and connection systems; modification notes is Marginal change of head dimensions. Caution with automatic feed and connection systems, verified against its source on 2026-08-12.
- DIN standard
- 7981 verified
- Fastener description
- Cross recessed pan head tapping screws verified
- ISO equivalent
- 7049 verified
- Interchangeability
- Marginal change of head dimensions. Caution with automatic feed and connection systems verified
- Modification notes
- Marginal change of head dimensions. Caution with automatic feed and connection systems verified
What the source says
7981 | | | 7049 | 7049 | 1990-08 | Cross recessed pan head tapping screws | Marginal change of head dimensions. Caution with automatic feed and connection systems |
— 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 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
Sources
- fullerfasteners.comhttps://fullerfasteners.com/tech/din-iso-en-crossover-chart/
- monsterbolts.comhttps://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
- trfastenings.comhttps://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards