DIN 934Hexagon full nutExternal hexagon

DIN 934 M2.5 Hexagon full nut

DIN 934 M2.5 is a hexagon full nut, on a M2.5 × 0.45 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 M2.5s 5m 2
DIN 934 M2.5 — Hexagon full nutNominal dimensions in mm · Not to scale
Diameter2.5 mm
Pitch0.45 mm
Socket size s5 mm
Height m2 mm
DriveExternal hexagon

Dimensions

Standard
DIN 934
Type
Hexagon full nut
Size
M2.5
Socket size s
5 mm
Height m
2 mm
Drive
External hexagon

Nominal values in millimetres as published in DIN 934. Estimated weight 0.178 g per piece in steel (0.179 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM2.5 × 0.45
Pitch0.45 mm
Major Ø2.5 mm
Pitch Ø2.21 mm
Minor Ø ext1.95 mm
Tap drillØ 2.05 mm

Other lengthsDIN 934 M2.5

All M2.5 specifications

Interchangeability

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