- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.525 inches minimum
- Fastener Length
- 0.625 inches nominal
- Head Style
- Flat countersunk
- Head Diameter
- 0.477 inches minimum and 0.507 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 20
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- Aluminum alloy 2024
- Screw Surface Treatment
- Anodize
- 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.