- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.669 inches minimum and 0.749 inches maximum
- Fastener Length
- 4.740 inches minimum and 4.760 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.178 inches minimum and 0.198 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Hole Diameter
- 0.070 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 3.940 inches minimum and 4.000 inches maximum
- Hole Quantity
- 1
- Hole Type
- Drilled
- Features Provided
- Finished head
- Thread Quantity per Inch
- 28
- Hole Configuration Style
- Hexagon longitudinal hole
- Surface Finish
- 32.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Surface Finish
- 63.0 microinches grip
- Material
- Steel comp 302 overall
- Material Document and Classification
- Ams 5637 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.