Grade10.9 UNC Flat Countersunk Hex Socket Bolts Screws 4#-40 5#-40 6#-32 8#-32
Specification:
- Style:Grade 10.9 countersunk hex Socket screws
- Head style:Countersunk Head
- Material: Carbon steel
- Standard :UNC
- Feature: Machine screws
- Product strength:High quality Grade10.9
- Size:Include head length
- Bolt lengths are measured from the top of the head
- The diameter of the screws are all tolerances
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