DINscrewsCheese head

DIN 84 Slotted Cheese Head Screw

A cylindrical head with a straight slot drive. Still common in instrument and electrical work, though pozidriv and hexalobular drives have largely replaced it in volume assembly.

Dimensioned drawing — DIN 84 M4 × 25k 2.4L 25⌀7⌀4
DIN 84 M4 × 25 — Cheese headNominal dimensions in mm · Not to scale

Dimensions9 sizes · millimetres

Thread dPitch P (mm)Head diameter dk (mm)Head height k (mm)
M20.43.81.3
M2.50.454.51.6
M30.55.51.9
M3.50.662.1
M40.772.4
M50.88.53
M61103.6
M81.25134.8
M101.5166

Nominal dimensions in millimetres as published in DIN 84. Tolerances, material requirements and marking are defined separately by the issuing body.

Available sizeslinked to individual specification pages

M20.4 mm pitch
M2 × 4M2 × 5M2 × 6M2 × 8M2 × 10M2 × 12M2 × 16
M2.50.45 mm pitch
M2.5 × 4M2.5 × 5M2.5 × 6M2.5 × 8M2.5 × 10M2.5 × 12M2.5 × 16M2.5 × 20
M30.5 mm pitch
M3 × 5M3 × 6M3 × 8M3 × 10M3 × 12M3 × 16M3 × 20M3 × 25
M3.50.6 mm pitch
M3.5 × 6M3.5 × 8M3.5 × 10M3.5 × 12M3.5 × 16M3.5 × 20M3.5 × 25M3.5 × 30
M40.7 mm pitch
M4 × 6M4 × 8M4 × 10M4 × 12M4 × 16M4 × 20M4 × 25M4 × 30M4 × 40
M50.8 mm pitch
M5 × 8M5 × 10M5 × 12M5 × 16M5 × 20M5 × 25M5 × 30M5 × 40M5 × 50
M6
M6 × 10M6 × 12M6 × 16M6 × 20M6 × 25M6 × 30M6 × 35M6 × 40M6 × 50
M81.25 mm pitch
M8 × 12M8 × 16M8 × 20M8 × 25M8 × 30M8 × 35M8 × 40M8 × 50M8 × 60
M101.5 mm pitch
M10 × 16M10 × 20M10 × 25M10 × 30M10 × 35M10 × 40M10 × 50M10 × 60

Thread referencesused by the sizes above

M2 × 0.4M2.5 × 0.45M3 × 0.5M3.5 × 0.6M4 × 0.7M5 × 0.8M8 × 1.25M10 × 1.5