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Hexagon socket button head screw UNC ASME B18.3 Alloy steel ASTM F835 Zinc plated 1/4-20X1/2


Article number
Diameter
Length
Driving features Hexagon socket
Head shape Button head
Material Alloy steel
Material technical ASTM F835
Thread direction Right
Packed per 100
Full Box only

Specifications

Diameter 1/4 Inch
Length 1/2 Inch
Driving features Hexagon socket
Head shape Button head
Material Alloy steel
Material technical ASTM F835
Thread direction Right
Surface treatment Zinc plated
Thread Unified National Coarse
Info
  • All dimensions in above table are in inches.
  • Marking of these screws is not mandatory.
  • Due to the unfavourable head geometry these fasteners have reduced loadability.
  • Attention: As the thread tolerance class for thread sizes up to and including 1 inch is 3A, plating can cause thread fit problems.

Dimensions

A 0.437
H 0.132
J 0.15625
Threads per inch 20

Standards

ASME B18.3

Article numbers

Article number U07151.025.0050
EAN 8715492889102
UBB 500621003622
UNSPSC 31161518

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