- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.000 inches minimum
- Fastener Length
- 1.750 inches minimum
- Head Style
- Flat fillister
- Head Diameter
- 0.365 inches minimum and 0.375 inches maximum
- Head Height
- 0.244 inches minimum and 0.250 inches maximum
- Hole Diameter
- 0.044 inches minimum and 0.050 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.250 inches
- Width Across Flats
- 0.188 inches nominal
- Hole Quantity
- 6
- Hole Type
- Drilled
- Thread Quantity per Inch
- 28
- Hole Configuration Style
- Round internal hexagon
- Material
- Steel corrosion resisting overall
- Surface Treatment
- Cadmium overall
- Thread Series Designator
- UNRF
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.