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DIN 982 vs ISO 7040

Prevailing torque type hexagon nuts with non-metallic insert, high type

Interchangeable except for the overall height — 32 recorded dimensions differ. ISO 7040 replaced DIN 982 as the current document.

M5 Overall height6.3 → 6.8 mmM10 Across corners18.9 → 17.77 mmM10 Across flats17 → 16 mmDIN 982 onlyM7, M18, M22ISO 7040 onlyM3, M4, M30, M36

We produce to whichever standard your drawing calls out, DIN 982 included. ISO 7040 is the reference to specify on a new drawing.

What each number is

DIN 982Superseded by ISO 7040
Prevailing torque type hexagon nuts with non-metallic insert, high typeEdition 1987 · 12 recorded sizes · M5 to M24
ISO 7040Current
Prevailing torque type hexagon nuts with non-metallic insert, style 1Edition 1997 · 13 recorded sizes · M3 to M36

Check your size

At M5 the two standards do not match.

DIN 982ISO 7040
dwBearing Diameter (min) (mm)6.96.88
hThickness (max) (mm)6.36.8
hThickness (min) (mm)66.22
kgper 1000 pcs——
RFQwe produce to the standard you name

We produce to whichever standard your order names.

Where they differ

32 recorded values across 9 diameters.

SizeDimensionDIN 982ISO 7040
M5dw · Bearing Diameter6.96.88
M5h · Thickness6.36.8
M5h · Thickness66.22
M6dw · Bearing Diameter8.98.88
M6h · Thickness7.77.42
M8dw · Bearing Diameter11.611.63
M8h · Thickness9.148.92
M10dw · Bearing Diameter15.614.63
M10e · Width Across Corners18.917.77
M10h · Thickness11.511.9
M10h · Thickness11.1411.2
M10s · Width Across Flats1716
M10s · Width Across Flats16.7315.73
M12dw · Bearing Diameter17.416.63
M12e · Width Across Corners21.120.03
M12h · Thickness1414.9
M12h · Thickness13.6414.2
M12s · Width Across Flats1918
M12s · Width Across Flats18.6717.73
M14dw · Bearing Diameter20.519.64
M14e · Width Across Corners24.4923.36
M14h · Thickness1617
M14h · Thickness15.315.9
M14s · Width Across Flats2221
M14s · Width Across Flats21.6720.67
M16dw · Bearing Diameter22.522.49
M16h · Thickness1819.1
M16h · Thickness17.317.8
M20h · Thickness2222.8
M24dw · Bearing Diameter33.233.25
M24h · Thickness2827.1
M24h · Thickness26.725

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.

Dimensions by sizeM5M6M8M10M12M16M20M24

ContinuePrevailing torque type hexagon nuts with non-metallic insert, style 1 supplied sizesDIN 982 standard pageAll comparisons

Quote DIN 982 vs ISO 7040

Name the standard your drawing calls out. We produce to that call-out.

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