ISO 4032 vs ISO 4034
Hexagon regular nuts — Product grade C
Not the same part. ISO 4032 and ISO 4034 differ in 19 recorded dimensions across the shared sizes.
M5 Across corners8.79 → 8.63 mmM5 Nut height4.7 → 5.6 mmM6 weightISO 4034 +23.1%ISO 4032 onlyM7, M14, M18, M39
These are separate products in one family, not alternates. Choose by the fit your drawing requires, then name that standard on the order.
What each number is
- ISO 4032Current
- Hexagon Regular Nut (Style 1)Edition 2023 · 17 recorded sizes · M5 to M39
- ISO 4034Current
- Hexagon regular nuts — Product grade CEdition 2012 · 13 recorded sizes · M5 to M36
Check your size
At M5 the two standards do not match.
| ISO 4032 | ISO 4034 | |
|---|---|---|
| eWidth Across Corners (min) (mm) | 8.79 | 8.63 |
| mNut Height (mm) | 4.7 | 5.6 |
| kgper 1000 pcs | 1.49 | 1.77 |
| RFQwe produce to the standard you name |
Weight differenceISO 4034 is 19.1% heavier2.8 kg more steel at this quantity
We produce to whichever standard your order names.
Where they differ
19 recorded values across 13 diameters.
| Size | Dimension | ISO 4032 | ISO 4034 |
|---|---|---|---|
| M5 | e · Width Across Corners | 8.79 | 8.63 |
| M5 | m · Nut Height | 4.7 | 5.6 |
| M6 | e · Width Across Corners | 11.05 | 10.89 |
| M6 | m · Nut Height | 5.2 | 6.4 |
| M8 | e · Width Across Corners | 14.38 | 14.2 |
| M8 | m · Nut Height | 6.8 | 7.9 |
| M10 | e · Width Across Corners | 17.77 | 17.59 |
| M10 | m · Nut Height | 8.4 | 9.5 |
| M12 | e · Width Across Corners | 20.03 | 19.85 |
| M12 | m · Nut Height | 10.8 | 12.2 |
| M16 | e · Width Across Corners | 26.75 | 26.17 |
| M16 | m · Nut Height | 14.8 | 15.9 |
| M20 | m · Nut Height | 18 | 19 |
| M22 | m · Nut Height | 19.4 | 20.2 |
| M24 | m · Nut Height | 21.5 | 22.3 |
| M27 | m · Nut Height | 23.8 | 24.7 |
| M30 | m · Nut Height | 25.6 | 26.4 |
| M33 | m · Nut Height | 28.7 | 29.5 |
| M36 | m · Nut Height | 31 | 31.9 |
Differences on this page come from the TaurusFix confirmed dimension library, compared value by value and strictly against the standards themselves — not from a third-party equivalence chart.