- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.250 inches minimum
- Fastener Length
- 0.250 inches nominal
- Head Style
- Flat chamfer
- Head Diameter
- 0.262 in min / 0.270 in max
- Head Height
- 0.159 in min / 0.164 in max
- Hole Diameter
- 0.047 inches nominal
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.164 inches (#8-32 UNC)
- Width Across Flats
- 0.140 in min / 0.142 in max
- Hole Quantity
- 6
- Hole Type
- Drilled
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 80,000 psi
- Hardness Rating
- 80.0 Rockwell B minimum
- Minimum Yield Strength
- 30,000 psi
- Hole Configuration Style
- Round
- Material
- Steel, corrosion resisting
- Material Document
- Fed Std 66
- Surface Treatment
- Passivate
- Surface Treatment Document
- QQ-P-35
- Thread Series Designator
- UNC
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.