- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.500 inches nominal
- Fastener Length
- 0.735 inches minimum and 0.765 inches maximum
- Head Height
- 0.244 inches minimum and 0.264 inches maximum
- Width Between Flats
- 0.347 inches minimum and 0.361 inches maximum
- Extended Washer Diameter
- 0.465 inches minimum and 0.475 inches maximum
- Extended Washer Thickness
- 0.032 inches minimum and 0.052 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.250 inches nominal
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 180000 pounds per square inch
- Material
- Steel 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.