- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 1.626 inches minimum and 1.656 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.188 inches minimum and 0.203 inches maximum
- Width Between Flats
- 0.553 inches minimum and 0.564 inches maximum
- Grip Diameter
- 0.3740 inches minimum and 0.3750 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum first hole and 1.116 inches maximum first hole
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Thread Quantity per Inch
- 24
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.518 inches minimum first hole and 1.528 inches maximum first hole
- Surface Finish
- 16.0 microinches threads
- Surface Finish
- 63.0 microinches bearing surface of head
- Surface Finish
- 63.0 microinches grip
- Material
- Titanium alloy uns R54520 overall
- Material Document and Classification
- NAS621 COM+6AL-4V assn std single material response overall
- Thread Series Designator
- UNF
- Specification/Standard Data
- 80205-NAS656 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.