- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.445 inches minimum and 0.495 inches maximum
- Fastener Length
- 1.517 inches minimum and 1.547 inches maximum
- Head Style
- Undercut 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 0.3745 inches maximum
- Shank Unthreaded Hole Diameter
- 0.106 inches minimum first hole and 0.116 inches maximum first hole
- Nominal Thread Diameter
- 0.375 inches
- Grip Length
- 1.052 inches minimum and 1.072 inches maximum
- Thread Quantity per Inch
- 24
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.346 inches minimum first hole and 1.396 inches maximum first hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Iron alloy 660 overall
- Surface Treatment
- Passivate overall
- Thread Series Designator
- UNF
- Specification/Standard Data
- 81205-BACB30LJ manufacturers 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.