ISOscrewsPan head

ISO 1580 Slotted Pan Head Screw — Product Grade A

ISO equivalent of DIN 85.

Dimensioned drawing — ISO 1580 M4 × 25k 2.4L 25⌀8⌀4
ISO 1580 M4 × 25 — Pan headNominal dimensions in mm · Not to scale

Dimensions9 sizes · millimetres

Thread dPitch P (mm)Head diameter dk (mm)Head height k (mm)
M20.441.3
M2.50.4551.5
M30.55.61.8
M3.50.672.1
M40.782.4
M50.89.53
M61123.6
M81.25164.8
M101.5206

Nominal dimensions in millimetres as published in ISO 1580. 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