ConstructionTools
EN
Back to catalog
bolt

ISO 7380 A2-A4 M 12

Dimensions and technical properties from the source catalogue are shown below.

Catalogue
SOCKET BUTTON HEAD SCREW
Standard
ISO 7380 A2-A4
Source publication
STD_product_catalog (1).pdf
Source pages
230
Open drawing and download options ↗

Dimensions, weight and technical properties

PropertyValueUnit
Thread size (d)M 12
P11,75mm
a · max.3,50mm
a · min.1,75mm
dk · max.21,00mm
dk · min.20,48mm
e2 · max.9,15mm
k · max.6,60mm
k · min.6,24mm
r · min.0,60mm
s3 · nominal8,00mm
s3 · max.8,12mm
s3 · min.8,03mm
t · min.4,16mm
W · min.1,63mm

Source notes and corrections

STD official paslanmaz-grubu catalog, retrieved 2026-10-26

Original source value: k · min.

Verified value: k · max.

Source publication

STD official paslanmaz-grubu catalog, retrieved 2026-10-26

Original source value: k · max.

Verified value: k · min.

Source publication

STD official paslanmaz-grubu catalog, retrieved 2026-10-26

Original source value: s3 · min.

Verified value: s3 · nominal

Source publication

STD official paslanmaz-grubu catalog, retrieved 2026-10-26

Original source value: t · max.

Verified value: t · min.

Source publication