- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.441 inches minimum and 0.508 inches maximum
- Fastener Length
- 1.201 inches minimum and 1.248 inches maximum
- Head Style
- Double hexagon
- Head Height
- 0.177 inches minimum and 0.197 inches maximum
- Width Between Flats
- 0.492 inches minimum and 0.502 inches maximum
- Shoulder Diameter
- 0.327 inches minimum first shoulder and 0.328 inches maximum first shoulder
- Shoulder Length
- 0.740 inches minimum first shoulder and 0.760 inches maximum first shoulder
- Nominal Thread Diameter
- 0.312 inches
- Thread Quantity per Inch
- 24
- Shoulder Shape
- Round first shoulder
- Material
- Steel overall
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 76301-ST3-497 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.