ISO 10511Nylon insert lock nutExternal hexagon

ISO 10511 M10 Nylon insert lock nut

ISO 10511 M10 is a nylon insert lock nut, on a M10 × 1.25 mm metric thread. ISO equivalent of DIN 985. Reuse is limited — the prevailing torque drops each time the insert is run over the thread.

Dimensioned drawing — ISO 10511 M10s 16m 12.5
ISO 10511 M10 — Nylon insert lock nutNominal dimensions in mm · Not to scale
Diameter10 mm
Pitch1.25 mm
Socket size s16 mm
Thickness h12.8 mm
Height m12.5 mm
DriveExternal hexagon

Dimensions

Standard
ISO 10511
Type
Nylon insert lock nut
Size
M10
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 ISO 10511. 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.

DesignationM10 × 1.25 fine
Pitch1.25 mm
Major Ø10 mm
Pitch Ø9.19 mm
Minor Ø ext8.47 mm
Tap drillØ 8.75 mm

Other lengthsISO 10511 M10

All M10 specifications

Interchangeability

ISO 10511 is catalogued with DIN 985 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.