- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.532 inches minimum and 0.547 inches maximum
- Fastener Length
- 0.578 inches minimum and 0.625 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.172 inches minimum and 0.204 inches maximum
- Width Between Flats
- 0.490 inches minimum and 0.502 inches maximum
- Nominal Thread Diameter
- 0.312 inches
- Grip Length
- 0.046 inches minimum and 0.078 inches maximum
- Features Provided
- Finished head
- Thread Quantity per Inch
- 24
- Material
- Steel comp 321 overall or steel comp 347 overall
- Material Document and Classification
- Ams 5645 assn std 1ST material response overall or ams 5646 assn std 2ND material response overall
- Surface Treatment
- Passivate overall
- Thread Series Designator
- UNF
- Specification/Standard Data
- 80205-NAS501 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.