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Hexagon socket button head screw ISO 7380-1 Stainless steel A4 M8X20


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

Diameter M8
Length 20 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) 20
P 1.25
s 5

Standards

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

Article numbers

Article number 55030.080.020
EAN 8715492326607
UBB 952351805777
UNSPSC 31161518

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