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Hexagon socket countersunk head screw UNC ASME B18.3 Alloy steel ASTM F835 Plain 1.-8X4.1/2

  1. ART NR U07410.100.0450
  2. EAN 8717077367968
  3. UBB 500621032910
  4. UNSPSC 31161518

Price per 

Package: 5
Full Box only
  • 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.
Diameter (inch) 1 Inch
Driving features Hexagon socket
Head shape Countersunk head
Length (L) (Inch - ft) 4.1/2
Material Alloy steel
Material technical ASTM F835
Thread direction Right
Surface treatment Plain
Thread Unified National Coarse
  • ft = fully threaded
ASME B18.3
  1. Select other sizes


A 1.938
H 0.54
J 5/8
LT (min.) 2.5
Threads per inch 8