- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.694 inches nominal
- Fastener Length
- 4.069 inches nominal
- Head Style
- Dished hexagon
- Head Height
- 0.219 inches nominal
- Width Between Flats
- 0.678 inches minimum and 0.690 inches maximum
- Grip Diameter
- 0.435 inches minimum and 0.436 inches maximum
- Nominal Thread Diameter
- 0.437 inches
- Grip Length
- 5.319 inches nominal
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp 4340 overall or steel comp 8740 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.