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Hexagon socket button head screw ISO 7380-1 Stainless steel A4 M8X18

Article number
Diameter
Length
Driving features Hexagon socket
Head shape Button head
Material Stainless steel
Material technical A4
Thread direction Right
View all specifications 

Specifications

Diameter M8
Length 18 mm
Driving features Hexagon socket
Head shape Button head
Material Stainless steel
Material technical A4
Thread direction Right
Thread Metric thread
Info
  • Due to the unfavourable head geometry these fasteners have reduced loadability.
  • Steel fasteners with reduced loadability are marked with a '0' preceding the property class mark, e.g. '010.9'.
  • Stainless steel fasteners with reduced loadability are either marked with a '0' preceding the property class mark, e.g. 'A2-070', or with the steel grade only, e.g. 'A2'.

Dimensions

d-D M8
dk (max.) 14
Full thread if L ≤ 35
k (max.) 4.4
L (mm) 18
P 1.25
s 5

Standards

ISO 7380-1
NF ≈E25-126
BS ≈4168-6
ASME ≈B18.3.4M

Article numbers

Article number 55030.080.018
EAN 8715494618779
UBB 500633359830
UNSPSC 31161518

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