- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.066 inches minimum and 0.077 inches maximum
- Fastener Length
- 0.125 inches nominal
- Head Style
- Flat countersunk undercut
- Head Diameter
- 0.175 inches minimum and 0.199 inches maximum
- Head Height
- 0.048 inches minimum and 0.059 inches maximum
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.099 inches
- Thread Quantity per Inch
- 48
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- Copper alloy 360
- Screw Material Document and Classification
- QQ-B-626, 1/2 H fed spec single material response
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 3 fed spec all treatment responses
- 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.