- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.4250 inches nominal
- Fastener Length
- 1.0980 inches minimum and 1.1280 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.1250 inches minimum and 0.1400 inches maximum
- Width Between Flats
- 0.4290 inches minimum and 0.4390 inches maximum
- Grip Diameter
- 0.2485 inches minimum and 0.2495 inches maximum
- Nominal Thread Diameter
- 0.2500 inches
- Grip Length
- 0.6780 inches minimum and 0.6980 inches maximum
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 160000 pounds per square inch
- Material
- Steel comp 4340 overall or steel comp 8740 overall
- Surface Treatment
- Cadmium overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6604DH11 professional/industrial association standard
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.