ISO 4035Hexagon thin nutExternal hexagon
ISO 4035 M18 Hexagon thin nut
ISO 4035 M18 is a hexagon thin nut, on a M18 × 1.5 mm metric thread. ISO version of the low hex nut, chamfered on both faces.
Diameter18 mm
Pitch1.5 mm
Socket size s27 mm
Height m9 mm
DriveExternal hexagon
Dimensions
- Standard
- ISO 4035
- Type
- Hexagon thin nut
- Size
- M18
- Thread
- M18 × 1.5
- Socket size s
- 27 mm
- Height m
- 9 mm
- Drive
- External hexagon
Nominal values in millimetres as published in ISO 4035. Estimated weight 15.474 g per piece in steel (15.572 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 4035 M18
All M18 specificationsInterchangeability
ISO 4035 is catalogued with DIN 439 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.