ISO 4032Hexagon nutExternal hexagon
ISO 4032 M18 Hexagon nut
ISO 4032 M18 is a hexagon nut, on a M18 × 1.5 mm metric thread. ISO equivalent of DIN 934. In practice these two are treated as interchangeable in purchasing for the common stock range.
Diameter18 mm
Pitch1.5 mm
Socket size s27 mm
Height m15.8 mm
DriveExternal hexagon
Dimensions
- Standard
- ISO 4032
- Type
- Hexagon nut
- Size
- M18
- Thread
- M18 × 1.5
- Socket size s
- 27 mm
- Height m
- 15.8 mm
- Drive
- External hexagon
Nominal values in millimetres as published in ISO 4032. Estimated weight 27.165 g per piece in steel (27.338 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M18 thread pageDesignationM18 × 1.5 fine
Pitch1.5 mm
Major Ø18 mm
Pitch Ø17.03 mm
Minor Ø ext16.16 mm
Tap drillØ 16.5 mm
Other lengthsISO 4032 M18
All M18 specificationsInterchangeability
ISO 4032 is catalogued with DIN 934 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.