7983
For 7983, fastener description is Raised countersunk (oval) head; tapping screws with cross recess; iso equivalent is 7051; interchangeability is Head dimensions and countersunk angles changed; modification notes is Head dimensions and countersunk angles changed, verified against its source on 2026-08-12.
- DIN standard
- 7983 verified
- Fastener description
- Raised countersunk (oval) head; tapping screws with cross recess verified
- ISO equivalent
- 7051 verified
- Interchangeability
- Head dimensions and countersunk angles changed verified
- Modification notes
- Head dimensions and countersunk angles changed verified
What the source says
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 2026-08-12
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 Raised countersunk (oval) head; tapping screws with cross recess, as of 2026-08-12.
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 |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
monsterbolts.com says fastener description is Raised profile tolerance., as of 2026-08-12.
DIN 7983 | ISO 7051 | Check spec
https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
trfastenings.com says fastener description is Countersunk (flat) Head Tapping Screws with cross recess, as of 2026-08-12.
DIN 7983 | ISO 7051 | | Countersunk (flat) Head Tapping Screws with cross recess |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
Interchangeability
fullerfasteners.com says interchangeability is Head dimensions and countersunk angles changed, as of 2026-08-12.
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 |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
monsterbolts.com says interchangeability is Check spec, as of 2026-08-12.
DIN 7983 | ISO 7051 | 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