- Thread Class
- 2A
- Thread Direction
- Right-hand
- Thread Length
- 0.241 inches minimum and 0.312 inches maximum
- Fastener Length
- 0.281 inches minimum and 0.312 inches maximum
- Head Style
- Fillister
- Head Diameter
- 0.389 inches minimum and 0.414 inches maximum
- Head Height
- 0.161 inches minimum and 0.170 inches maximum
- Hole Diameter
- 0.062 inches nominal
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.250 inches
- Hole Quantity
- 1
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 55000 pounds per square inch
- Screw Material
- Steel
- Screw Material Document and Classification
- QQ-S-633 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
- Head Hole Configuration Style
- Round
- Thread Series Designator
- UNF
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.