- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.677 inches minimum and 0.757 inches maximum
- Fastener Length
- 1.052 inches minimum and 1.072 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.178 inches minimum and 0.198 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.315 inches minimum and 0.375 inches maximum
- Features Provided
- Finished head
- Thread Quantity per Inch
- 24
- Hardness Rating
- 26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 8740 overall
- Material Document and Classification
- Ams 6322 assn std single material response overall
- Surface Treatment
- Cadmium overall
- Surface Treatment Document and Classification
- Ams 2400 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.