DIN 7991 — Hexagon socket countersunk head screws — ISO 10462 or 10642 — sources disagree
What is the din standard for DIN 7991 — Hexagon socket countersunk head screws — ISO 10462 or 10642 — sources disagree?
For DIN 7991, fastener description is Hexagon socket countersunk head screws; iso equivalent is disputed: 10462 per fullerfasteners.com, 10642 per monsterbolts.com, 10642 per trfastenings.com; en iso number is 10642; date of current standard/modified is 2004-06; title of replacement standard is Hexagon socket countersunk head screws, verified against its source on 2026-10-12.
Hexagon socket countersunk head screws | 7991 | 10642 | | | 10462 | 2004-06 | Hexagon socket countersunk head screws | |
— fullerfasteners.com, retrieved 2026-09-22
- DIN standard
- 7991 verified
- Fastener description
- Hexagon socket countersunk head screws verified
- ISO equivalent
- 10462 sources disagree
- EN ISO number
- 10642 verified
- Date of current standard/modified
- 2004-06 verified
- Title of replacement standard
- Hexagon socket countersunk head screws verified
- Interchangeability
- Check spec per monsterbolts.com
- Modification notes
- Head angle/height differences exist. per monsterbolts.com
- British Standard equivalent
- BS4168 per trfastenings.com
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.
ISO equivalent
fullerfasteners.com says iso equivalent is 10462, as of 2026-09-22.
Hexagon socket countersunk head screws | 7991 | 10642 | | | 10462 | 2004-06 | Hexagon socket countersunk head screws | |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
monsterbolts.com says iso equivalent is 10642, as of 2026-09-21.
Flat Head Socket Cap | DIN 7991 | ISO 10642 | Check spec | Head angle/height differences exist.
https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
trfastenings.com says iso equivalent is 10642, as of 2026-09-22.
DIN 7991 | ISO 10642 | BS4168 | Hexagon Socket Countersunk Head Cap Screws |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
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