DIN 439Hexagon thin nutExternal hexagon

DIN 439 M6 Hexagon thin nut

DIN 439 M6 is a hexagon thin nut, on a M6 × 1 mm metric thread. A low profile hex nut used as a lock nut against a full nut, or where axial space is tight. Because it carries fewer threads it is not rated for full service load on its own.

Dimensioned drawing — DIN 439 M6s 10m 3.2
DIN 439 M6 — Hexagon thin nutNominal dimensions in mm · Not to scale
Diameter6 mm
Pitch1 mm
Socket size s10 mm
Height m3.2 mm
DriveExternal hexagon

Dimensions

Standard
DIN 439
Type
Hexagon thin nut
Size
M6
Thread
M6 × 1
Socket size s
10 mm
Height m
3.2 mm
Drive
External hexagon

Nominal values in millimetres as published in DIN 439. Estimated weight 0.921 g per piece in steel (0.927 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 439 M6

All M6 specifications

Interchangeability

DIN 439 is catalogued with ISO 4035 as its equivalent designation. Dimensions are compared field by field rather than assumed identical.