- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.7350 inches nominal
- Fastener Length
- 0.1466 inches minimum and 0.1497 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.2500 inches minimum and 0.2650 inches maximum
- Width Between Flats
- 0.7410 inches minimum and 0.7520 inches maximum
- Grip Diameter
- 0.4990 inches minimum and 0.4995 inches maximum
- Nominal Thread Diameter
- 0.5000 inches
- Grip Length
- 0.7350 inches minimum and 0.7620 inches maximum
- Thread Quantity per Inch
- 20
- Material
- Iron alloy 660 overall
- Surface Treatment
- Passivate overall
- Thread Series Designator
- UNJF
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.