ConstructionTools
EN
Back to catalog
bolt

ISO 7380 A2-A4 M 8

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 8
P11,25mm
a · max.2,50mm
a · min.1,25mm
dk · max.14,00mm
dk · min.13,57mm
e2 · max.5,72mm
k · max.4,40mm
k · min.4,10mm
r · min.0,40mm
s3 · nominal5,00mm
s3 · max.5,08mm
s3 · min.5,02mm
t · min.2,60mm
W · min.1,05mm

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