- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.313 inches minimum and 0.363 inches maximum
- Fastener Length
- 2.261 inches minimum and 2.291 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
- Grip Diameter
- 0.1885 inches minimum and 0.1895 inches maximum
- Shank Unthreaded Hole Diameter
- 0.070 inches minimum and 0.080 inches maximum first hole
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 1.928 inches minimum and 1.948 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum and 40.0 rockwell C maximum overall
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.088 inches minimum and 2.138 inches maximum first hole
- Material
- Steel comp E4340 or steel comp 4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, ty 2 cl 2 fed spec single treatment response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS1303 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.