- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.323 inches nominal
- Fastener Length
- 1.370 inches minimum and 1.400 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.110 inches minimum and 0.125 inches maximum
- Width Between Flats
- 0.367 inches minimum and 0.376 inches maximum
- Hole Diameter
- 0.046 inches minimum and 0.056 inches maximum
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 1.052 inches minimum and 1.072 inches maximum
- Hole Quantity
- 3
- Hole Type
- Drilled
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum overall and 40.0 rockwell C maximum overall
- Hole Configuration Style
- Hexagon corners
- Surface Finish
- 32.0 microinches bearing surface of HEAD32.0 microinches GRIP32.0 microinches threads
- Material
- Steel comp E4340 overall or steel comp 8740 overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 fed spec single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6210 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.