DIN 985Nylon insert lock nutExternal hexagon

DIN 985 M24 Nylon insert lock nut

DIN 985 M24 is a nylon insert lock nut, on a M24 × 2 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.

Dimensioned drawing — DIN 985 M24s 36m 26
DIN 985 M24 — Nylon insert lock nutNominal dimensions in mm · Not to scale
Diameter24 mm
Pitch2 mm
Socket size s36 mm
Thickness h29 mm
Height m26 mm
DriveExternal hexagon

Dimensions

Standard
DIN 985
Type
Nylon insert lock nut
Size
M24
Thread
M24 × 2
Socket size s
36 mm
Height m
26 mm
Total height h
29 mm
Drive
External hexagon

Nominal values in millimetres as published in DIN 985. Estimated weight 79.469 g per piece in steel (79.975 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM24 × 2 fine
Pitch2 mm
Major Ø24 mm
Pitch Ø22.7 mm
Minor Ø ext21.55 mm
Tap drillØ 22 mm

Other lengthsDIN 985 M24

All M24 specifications

Interchangeability

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