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Hexagon socket button head screw with flange ISO 7380-2 Stainless steel A2 M4X55

Article number
Diameter (d-D)
Length (L) (mm)
Material Stainless steel
Head shape Button head
Driving features Hexagon socket
Thread direction Right
Thread Metric thread

Specifications

Diameter (d-D) M4
Length (L) (mm) 55
Material Stainless steel
Head shape Button head
Driving features Hexagon socket
Thread direction Right
Thread Metric thread
Material technical A2
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

dc (max.) 9.4
Full thread if L ≤ 25
k (max.) 2.2
P 0.70
s 2.5

Standards

ISO 7380-2

Article numbers

Article number 51028.040.055
EAN 8715494606721
UBB 500633125785
UNSPSC 31161518

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