- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.490 inches minimum and 0.510 inches maximum
- Fastener Length
- 0.490 inches minimum and 0.510 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.146 inches minimum and 0.166 inches maximum
- Width Between Flats
- 0.430 inches minimum and 0.439 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Features Provided
- Finished head
- Thread Quantity per Inch
- 28
- Surface Finish
- 32.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Material
- Steel comp 302 overall
- Material Document and Classification
- Ams 5637 assn std single material response overall
- Precious Material
- Silver
- Surface Treatment
- Silver overall
- Surface Treatment Document and Classification
- Ams 2410 assn std single treatment 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.