DIN 985Nylon insert lock nutExternal hexagon
DIN 985 M10 Nylon insert lock nut
DIN 985 M10 is a nylon insert lock nut, on a M10 × 1.25 mm metric thread. A full hex nut with a nylon collar that grips the thread and resists vibration loosening. Note that the nylon insert has a temperature limit — above roughly 120 °C it loses its locking effect.
Diameter10 mm
Pitch1.25 mm
Socket size s16 mm
Thickness h12.8 mm
Height m12.5 mm
DriveExternal hexagon
Dimensions
- Standard
- DIN 985
- Type
- Nylon insert lock nut
- Size
- M10
- Thread
- M10 × 1.25
- Socket size s
- 16 mm
- Height m
- 12.5 mm
- Total height h
- 12.8 mm
- Drive
- External hexagon
Nominal values in millimetres as published in DIN 985. Estimated weight 8.609 g per piece in steel (8.664 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M10 thread pageDesignationM10 × 1.25 fine
Pitch1.25 mm
Major Ø10 mm
Pitch Ø9.19 mm
Minor Ø ext8.47 mm
Tap drillØ 8.75 mm
Other lengthsDIN 985 M10
All M10 specificationsInterchangeability
DIN 985 is catalogued with ISO 10511 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.