DIN 985Nylon insert lock nutExternal hexagon

DIN 985 M6 Nylon insert lock nut

DIN 985 M6 is a nylon insert lock nut, on a M6 × 1 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 M6s 10m 7.5
DIN 985 M6 — Nylon insert lock nutNominal dimensions in mm · Not to scale
Diameter6 mm
Pitch1 mm
Socket size s10 mm
Thickness h8 mm
Height m7.5 mm
DriveExternal hexagon

Dimensions

Standard
DIN 985
Type
Nylon insert lock nut
Size
M6
Thread
M6 × 1
Socket size s
10 mm
Height m
7.5 mm
Total height h
8 mm
Drive
External hexagon

Nominal values in millimetres as published in DIN 985. Estimated weight 2.159 g per piece in steel (2.173 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM6 × 1
Pitch1 mm
Major Ø6 mm
Pitch Ø5.35 mm
Minor Ø ext4.77 mm
Tap drillØ 5 mm

Other lengthsDIN 985 M6

All M6 specifications

Interchangeability

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