DINscrewsLow socket head

DIN 7984 Hexagon Socket Head Cap Screw with Low Head

Same cylindrical hex socket head as DIN 912 but with roughly half the head height, for assemblies with limited vertical clearance. Lower head means lower permissible preload than a standard DIN 912 of the same size.

Dimensioned drawing — DIN 7984 M8 × 12k 5L 12⌀13⌀8
DIN 7984 M8 × 12 — Low socket headNominal dimensions in mm · Not to scale

Dimensions8 sizes · millimetres

Thread dPitch P (mm)Head diameter dk (mm)Head height k (max) (mm)Socket size s (mm)
M30.55.522
M40.772.82.5
M50.88.53.53
M611044
M81.251355
M101.5166.56
M121.751878
M16224910

Nominal dimensions in millimetres as published in DIN 7984. Tolerances, material requirements and marking are defined separately by the issuing body.

Available sizeslinked to individual specification pages

Thread referencesused by the sizes above