- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.406 inches minimum and 0.610 inches maximum
- Fastener Length
- 4.109 inches minimum and 4.156 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.359 inches minimum and 0.391 inches maximum
- Width Between Flats
- 1.052 inches minimum and 1.065 inches maximum
- Grip Diameter
- 0.7477 inches minimum and 0.7488 inches maximum
- Shank Unthreaded Hole Diameter
- 0.131 inches minimum first hole and 0.151 inches maximum first hole
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 3.546 inches minimum and 3.578 inches maximum
- Thread Quantity per Inch
- 16
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum overall and 40.0 rockwell C maximum overall
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 3.921 inches minimum first hole and 3.953 inches maximum first hole
- Surface Finish
- 32.0 microinches grip
- Material
- Steel comp E4340 overall or steel comp 4140 overall or steel comp 8740 overall or steel comp 8735 overall or steel comp 6150 overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2 class 2 fed spec all treatment responses overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS464 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.