DIN 934Hexagon full nutExternal hexagon

DIN 934 M4 Hexagon full nut

DIN 934 M4 is a hexagon full nut, on a M4 × 0.7 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 M4s 7m 3.2
DIN 934 M4 — Hexagon full nutNominal dimensions in mm · Not to scale
Diameter4 mm
Pitch0.7 mm
Socket size s7 mm
Height m3.2 mm
DriveExternal hexagon

Dimensions

Standard
DIN 934
Type
Hexagon full nut
Size
M4
Thread
M4 × 0.7
Socket size s
7 mm
Height m
3.2 mm
Drive
External hexagon

Nominal values in millimetres as published in DIN 934. Estimated weight 0.484 g per piece in steel (0.487 g in stainless), calculated from the nominal geometry — real parts vary with tolerance and head chamfers.

DesignationM4 × 0.7
Pitch0.7 mm
Major Ø4 mm
Pitch Ø3.55 mm
Minor Ø ext3.14 mm
Tap drillØ 3.3 mm

Other lengthsDIN 934 M4

All M4 specifications

Interchangeability

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