ISO 10511Nylon insert lock nutExternal hexagon
ISO 10511 M5 Nylon insert lock nut
ISO 10511 M5 is a nylon insert lock nut, on a M5 × 0.8 mm metric thread. ISO equivalent of DIN 985. Reuse is limited — the prevailing torque drops each time the insert is run over the thread.
Diameter5 mm
Pitch0.8 mm
Socket size s8 mm
Thickness h6.8 mm
Height m6 mm
DriveExternal hexagon
Dimensions
- Standard
- ISO 10511
- Type
- Nylon insert lock nut
- Size
- M5
- Thread
- M5 × 0.8
- Socket size s
- 8 mm
- Height m
- 6 mm
- Total height h
- 6.8 mm
- Drive
- External hexagon
Nominal values in millimetres as published in ISO 10511. Estimated weight 1.033 g per piece in steel (1.04 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.
Thread data
Full M5 thread pageDesignationM5 × 0.8
Pitch0.8 mm
Major Ø5 mm
Pitch Ø4.48 mm
Minor Ø ext4.02 mm
Tap drillØ 4.2 mm
Other lengthsISO 10511 M5
All M5 specificationsInterchangeability
ISO 10511 is catalogued with DIN 985 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.