ISO 10511Nylon insert lock nutExternal hexagon
ISO 10511 M8 Nylon insert lock nut
ISO 10511 M8 is a nylon insert lock nut, on a M8 × 1 mm metric thread. ISO equivalent of DIN 985. Reuse is limited — the prevailing torque drops each time the insert is run over the thread.
Diameter8 mm
Pitch1 mm
Socket size s13 mm
Thickness h9.9 mm
Height m9.5 mm
DriveExternal hexagon
Dimensions
- Standard
- ISO 10511
- Type
- Nylon insert lock nut
- Size
- M8
- Thread
- M8 × 1
- Socket size s
- 13 mm
- Height m
- 9.5 mm
- Total height h
- 9.9 mm
- Drive
- External hexagon
Nominal values in millimetres as published in ISO 10511. Estimated weight 4.437 g per piece in steel (4.465 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M8 thread pageDesignationM8 × 1 fine
Pitch1 mm
Major Ø8 mm
Pitch Ø7.35 mm
Minor Ø ext6.77 mm
Tap drillØ 7 mm
Other lengthsISO 10511 M8
All M8 specificationsInterchangeability
ISO 10511 is catalogued with DIN 985 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.