DIN 7983 — Raised countersunk (oval) head; tapping screws with cross recess — ISO 7051
What is the din standard for DIN 7983 — Raised countersunk (oval) head; tapping screws with cross recess — ISO 7051?
For DIN 7983, fastener description is Raised countersunk (oval) head; tapping screws with cross recess; iso equivalent is 7051; date of current standard/modified is 1990-08; title of replacement standard is Cross recessed raised countersunk (oval) head tapping screws; modification notes is disputed: Head dimensions and countersunk angles changed per fullerfasteners.com, Raised profile tolerance per monsterbolts.com, verified against its source on 2026-10-12.
Raised countersunk (oval) head; tapping screws with cross recess | 7983 | | | 7051 | 7051 | 1990-08 | Cross recessed raised countersunk (oval) head tapping screws | Head dimensions and countersunk angles changed |
— fullerfasteners.com, retrieved 2026-09-22
- DIN standard
- 7983 verified
- Fastener description
- Raised countersunk (oval) head; tapping screws with cross recess verified
- ISO equivalent
- 7051 verified
- Date of current standard/modified
- 1990-08 verified
- Title of replacement standard
- Cross recessed raised countersunk (oval) head tapping screws verified
- Modification notes
- Head dimensions and countersunk angles changed sources disagree
- Interchangeability
- Check spec per monsterbolts.com
What trfastenings.com says
DIN 7983 | ISO 7051 | | Countersunk (flat) Head Tapping Screws with cross recess |
— trfastenings.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.
Modification notes
fullerfasteners.com says modification notes is Head dimensions and countersunk angles changed, as of 2026-09-22.
Raised countersunk (oval) head; tapping screws with cross recess | 7983 | | | 7051 | 7051 | 1990-08 | Cross recessed raised countersunk (oval) head tapping screws | Head dimensions and countersunk angles changed |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
monsterbolts.com says modification notes is Raised profile tolerance., as of 2026-09-21.
Cross Recessed Raised Countersunk Tapping | DIN 7983 | ISO 7051 | Check spec | Raised profile tolerance.
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