DIN 985 vs ISO 10511
Prevailing Torque Hexagon Thin Nut with Non-metallic Insert
11of 14 diameters identical3differ — the spanner size only
Interchangeable except for the width across flats (the spanner size) — 6 recorded dimensions differ. ISO 10511 replaced DIN 985 as the current document.
M10 Across flats17 → 16 mmM10 Across corners18.9 → 17.77 mmM10 weightDIN 985 +16.7%
We produce to whichever standard your drawing calls out, DIN 985 included. ISO 10511 is the reference to specify on a new drawing.
What each number is
- DIN 985Superseded by ISO 10511
- Nylon Insert Lock Nut14 recorded sizes · M3 to M36
- ISO 10511Current
- Prevailing Torque Hexagon Thin Nut with Non-metallic Insert14 recorded sizes · M3 to M36
Check your size
At M3 every recorded dimension is identical.
| DIN 985 | ISO 10511 | |
|---|---|---|
| kgper 1000 pcs | 0.64 | 0.64 |
| RFQwe produce to the standard you name |
We produce to whichever standard your order names.
Where they differ
6 recorded values across 3 diameters. Every other diameter is listed identically in all of them.
| Size | Dimension | DIN 985 | ISO 10511 |
|---|---|---|---|
| M10 | s · Width Across Flats | 17 | 16 |
| M10 | e · Width Across Corners | 18.9 | 17.77 |
| M12 | s · Width Across Flats | 19 | 18 |
| M12 | e · Width Across Corners | 21.1 | 20.03 |
| M14 | s · Width Across Flats | 22 | 21 |
| M14 | e · Width Across Corners | 24.49 | 23.36 |
Identical in 11 diameters— show them
M3M4M5M6M8M16M18M20M24M30M36
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.