DIN 558
For DIN 558, iso standard is ISO 4018; part is Hex Head Bolts (FT), Metric Coarse; interchangeability verdict is Fully interchangeable, verified against its source on 2026-08-05.
- DIN standard
- DIN 558 verified
- ISO standard
- ISO 4018 verified
- Part
- Hex Head Bolts (FT), Metric Coarse verified
- Interchangeability verdict
- Fully interchangeable verified
What the source says
Hex Head Bolts (FT), Metric Coarse | DIN 558 | ISO 4018 | Fully interchangeable | Alt coarse hex FT.
— monsterbolts.com, retrieved 2026-08-05
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.
Part
monsterbolts.com says part is Hex Head Bolts (FT), Metric Coarse, as of 2026-08-05.
Hex Head Bolts (FT), Metric Coarse | DIN 558 | ISO 4018 | Fully interchangeable | Alt coarse hex FT.
https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
trfastenings.com says part is Hexagon Head Screws, as of 2026-08-05.
DIN 558 | ISO 4018 | | Hexagon Head Screws |
https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards
Sources
- monsterbolts.comhttps://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners
- trfastenings.comhttps://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards