- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.475 inches minimum and 0.525 inches maximum
- Fastener Length
- 2.985 inches minimum and 3.015 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.296 inches minimum and 0.328 inches maximum
- Width Between Flats
- 0.928 inches minimum and 0.940 inches maximum
- Grip Diameter
- 0.6234 inches minimum and 0.6240 inches maximum
- Shank Unthreaded Hole Diameter
- 0.141 inches minimum first hole and 0.146 inches maximum first hole
- Nominal Thread Diameter
- 0.625 inches
- Grip Length
- 2.490 inches minimum and 2.510 inches maximum
- Thread Quantity per Inch
- 18
- Minimum Tensile Strength
- 130000 pounds per square inch
- Hardness Rating
- 24.0 rockwell C minimum overall and 35.0 rockwell C maximum overall
- Minimum Yield Strength
- 85000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.796 inches minimum first hole and 2.828 inches maximum first hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5732 assn std single material response overall
- Thread Series Designator
- UNF
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.