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Hexalobular socket button head screw ISO ≈7380-1 Stainless steel A2 M4X40


Article number
Diameter
Length
Driving features Hexalobular
Head shape Button head
Material Stainless steel
Material technical A2
Thread direction Right
Packed per 200
Full Box only

Specifications

Diameter M4
Length 40 mm
Driving features Hexalobular
Head shape Button head
Material Stainless steel
Material technical A2
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 M4
dk (max.) 7.6
k (max.) 2.2
L (mm) 40
P 0.7
Socket 20

Standards

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

Article numbers

Article number 51029.040.040
EAN 8715494552356
UBB 500635831372
UNSPSC 31161518

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