DIN 7979 — Parallel pins with internal thread — ISO 8735 or 8733 — sources disagree
What is the din standard for DIN 7979 — Parallel pins with internal thread — ISO 8735 or 8733 — sources disagree?
For DIN 7979, fastener description is Parallel pins with internal thread; iso equivalent is disputed: 8735 per fullerfasteners.com, 8733 per fullerfasteners.com, 8735 per trfastenings.com, 1 more; en iso number is 8735; date of current standard/modified is 1998-03; title of replacement standard is Parallel pins with internal thread, of hardened and martensitic stainless steel, verified against its source on 2026-10-12.
Parallel pins with internal thread | 7979 | 8735 | 28735 | | 8735 | 1998-03 | Parallel pins with internal thread, of hardened and martensitic stainless steel | Dimensions partially changed |
— fullerfasteners.com, retrieved 2026-09-22
- DIN standard
- 7979 verified
- Fastener description
- Parallel pins with internal thread verified
- ISO equivalent
- 8735 sources disagree
- EN ISO number
- 8735 verified
- Date of current standard/modified
- 1998-03 verified
- Title of replacement standard
- Parallel pins with internal thread, of hardened and martensitic stainless steel verified
- Modification notes
- Dimensions partially changed verified
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 8735, as of 2026-09-22.
Parallel pins with internal thread | 7979 | 8735 | 28735 | | 8735 | 1998-03 | Parallel pins with internal thread, of hardened and martensitic stainless steel | Dimensions partially changed |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
fullerfasteners.com says iso equivalent is 8733, as of 2026-09-22.
Parallel pins with internal thread, of unhardened and austenitic stainless steel | 7979 | 8733 | 28733 | | 8733 | 1998-03 | Parallel pins with internal thread, of unhardened and austenitic stainless steel | Dimensions partially changed |
https://fullerfasteners.com/tech/din-iso-en-crossover-chart/
trfastenings.com says iso equivalent is 8735, as of 2026-08-12.
DIN 7979 | ISO 8735 | | Parallel Pins with internal thread |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
trfastenings.com says iso equivalent is 8733, as of 2026-08-12.
DIN 7979 | ISO 8733 | | Parallel Pins with internal thread |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
Sources
- fullerfasteners.comhttps://fullerfasteners.com/tech/din-iso-en-crossover-chart/
- trfastenings.comhttps://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards