- Thread Direction
- Right-hand
- Thread Length
- 0.429 inches minimum and 0.479 inches maximum
- Fastener Length
- 1.814 inches minimum and 1.844 inches maximum
- Head Style
- Dished hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Hole Diameter
- 0.075 inches nominal
- Grip Diameter
- 0.3740 inches minimum and 0.3745 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum and 0.116 inches maximum first hole
- Grip Length
- 1.365 inches minimum and 1.385 inches maximum
- Nonstandard Thread Pitch Diameter
- +0.375 to 0.413 inches
- Minimum Tensile Strength
- 160000 pounds per square inch
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.621 inches minimum and 1.671 inches maximum first hole
- Material
- Iron alloy 660 overall
- Material Document and Classification
- Ams 5731 assn std single material response or ams 5737 assn std single material response overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 80205-NAS6306 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.