- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.389 inches nominal
- Fastener Length
- 1.829 inches nominal
- Head Style
- Dished hexagon
- Head Height
- 0.125 inches minimum and 0.140 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Grip Diameter
- 0.2490 inches minimum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.375 inches nominal
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 90000 pounds per square inch
- 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.