- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.469 inches minimum
- Fastener Length
- 2.156 inches nominal
- Head Style
- Hexagon
- Head Height
- 0.140 inches minimum and 0.172 inches maximum
- Width Between Flats
- 0.438 inches nominal
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal first hole
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.688 inches nominal
- Features Provided
- Finished head
- Thread Quantity per Inch
- 28
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 2.000 inches nominal first hole
- Material
- Steel corrosion resisting overall
- Material Document and Classification
- QQ-S-770 fed spec single material response overall
- Surface Treatment
- Passivate 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.