DIN 934Hexagon full nutExternal hexagon

DIN 934 M18 Hexagon full nut

DIN 934 M18 is a hexagon full nut, on a M18 × 1.5 mm metric thread. The default metric hex nut. Height is roughly 0.8 times the nominal diameter, which is what defines a 'full' nut as opposed to the thin DIN 439 jam nut.

Dimensioned drawing — DIN 934 M18s 27m 15.8
DIN 934 M18 — Hexagon full nutNominal dimensions in mm · Not to scale
Diameter18 mm
Pitch1.5 mm
Socket size s27 mm
Height m15.8 mm
DriveExternal hexagon

Dimensions

Standard
DIN 934
Type
Hexagon full nut
Size
M18
Socket size s
27 mm
Height m
15.8 mm
Drive
External hexagon

Nominal values in millimetres as published in DIN 934. Estimated weight 27.165 g per piece in steel (27.338 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM18 × 1.5 fine
Pitch1.5 mm
Major Ø18 mm
Pitch Ø17.03 mm
Minor Ø ext16.16 mm
Tap drillØ 16.5 mm

Other lengthsDIN 934 M18

All M18 specifications

Interchangeability

DIN 934 is catalogued with ISO 4032 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.