- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.400 inches minimum
- Fastener Length
- 1.275 inches nominal
- Head Style
- Double hexagon
- Head Height
- 0.200 inches minimum and 0.220 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.3733 inches minimum and 0.3742 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches nominal first hole
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 0.865 inches minimum and 0.885 inches maximum
- Thread Quantity per Inch
- 24
- Minimum Tensile Strength
- 220000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.142 inches nominal first hole
- Material
- Steel 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.