- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.450 inches minimum and 0.530 inches maximum
- Fastener Length
- 1.200 inches minimum and 1.230 inches maximum
- Head Style
- Flat countersunk
- Head Diameter
- 0.245 inches minimum and 0.280 inches maximum
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.138 inches
- Thread Quantity per Inch
- 32
- Hardness Rating
- 40.0 rockwell C minimum and 46.0 rockwell C maximum
- Countersink Angle
- 80.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- Steel comp 4340
- Screw Material Document and Classification
- Aisi assn std single material response
- 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.