DIN 439Hexagon thin nutExternal hexagon
DIN 439 M22 Hexagon thin nut
DIN 439 M22 is a hexagon thin nut, on a M22 × 2.5 mm metric thread. A low profile hex nut used as a lock nut against a full nut, or where axial space is tight. Because it carries fewer threads it is not rated for full service load on its own.
Diameter22 mm
Pitch2.5 mm
Socket size s34 mm
Height m11 mm
DriveExternal hexagon
Dimensions
- Standard
- DIN 439
- Type
- Hexagon thin nut
- Size
- M22
- Thread
- M22 × 2.5
- Socket size s
- 34 mm
- Height m
- 11 mm
- Drive
- External hexagon
Nominal values in millimetres as published in DIN 439. Estimated weight 32.009 g per piece in steel (32.213 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M22 thread pageDesignationM22 × 2.5
Pitch2.5 mm
Major Ø22 mm
Pitch Ø20.38 mm
Minor Ø ext18.93 mm
Tap drillØ 19.5 mm
Other lengthsDIN 439 M22
All M22 specificationsInterchangeability
DIN 439 is catalogued with ISO 4035 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.