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Hexalobular socket button head screw ISO ≈7380-1 Stainless steel A4 M4X8


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

Diameter (d-D) M4
Length (L) (mm) 8
Material Stainless steel
Head shape Button head
Driving features Hexalobular
Thread direction Right
Thread Metric thread
Material technical A4
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

dk (max.) 7.6
k (max.) 2.2
P 0.70
Socket T20

Standards

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

Article numbers

Article number 55032.040.008
EAN 8715494554404
UBB 500634458409
UNSPSC 31161518

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