ISO 4032Hexagon nutExternal hexagon
ISO 4032 M2.5 Hexagon nut
ISO 4032 M2.5 is a hexagon nut, on a M2.5 × 0.45 mm metric thread. ISO equivalent of DIN 934. In practice these two are treated as interchangeable in purchasing for the common stock range.
Diameter2.5 mm
Pitch0.45 mm
Socket size s5 mm
Height m2 mm
DriveExternal hexagon
Dimensions
- Standard
- ISO 4032
- Type
- Hexagon nut
- Size
- M2.5
- Thread
- M2.5 × 0.45
- Socket size s
- 5 mm
- Height m
- 2 mm
- Drive
- External hexagon
Nominal values in millimetres as published in ISO 4032. Estimated weight 0.178 g per piece in steel (0.179 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M2.5 thread pageDesignationM2.5 × 0.45
Pitch0.45 mm
Major Ø2.5 mm
Pitch Ø2.21 mm
Minor Ø ext1.95 mm
Tap drillØ 2.05 mm
Other lengthsISO 4032 M2.5
All M2.5 specificationsInterchangeability
ISO 4032 is catalogued with DIN 934 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.