- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.781 inches minimum
- Fastener Length
- 1.953 inches minimum and 2.000 inches maximum
- Head Height
- 0.265 inches minimum and 0.297 inches maximum
- Width Between Flats
- 0.740 inches minimum and 0.752 inches maximum
- Grip Diameter
- 0.4986 inches minimum and 0.4991 inches maximum
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 1.188 inches nominal
- Thread Quantity per Inch
- 20
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5735 assn std single material response overall
- Thread Series Designator
- UNF
Catalogue data is compiled from public DLA/FLIS sources and is provided for
identification. Availability, condition and certification are confirmed on
quotation. OmniSynk Distribution Services is a stocking distributor.