- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.005 inches minimum and 1.055 inches maximum
- Fastener Length
- 2.765 inches minimum and 2.795 inches maximum
- Head Style
- Spline extended washer
- Head Height
- 0.495 inches minimum and 0.515 inches maximum
- Width Between Flats
- 0.610 inches minimum and 0.625 inches maximum
- Extended Washer Diameter
- 1.037 inches minimum and 1.047 inches maximum
- Extended Washer Thickness
- 0.071 inches minimum and 0.091 inches maximum
- Grip Diameter
- 0.5605 inches minimum and 0.5615 inches maximum
- Nominal Thread Diameter
- 0.562 inches
- Grip Length
- 1.740 inches minimum and 1.760 inches maximum
- Thread Quantity per Inch
- 18
- Hardness Rating
- 51.0 rockwell C minimum overall and 54.0 rockwell C maximum overall
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Material
- Steel comp H11 overall
- Surface Treatment
- Cadmium overall
- Thread Series Designator
- UNJF
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.