- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.750 inches minimum
- Fastener Length
- 3.910 inches minimum and 4.000 inches maximum
- Head Style
- Hexagon
- Head Height
- 0.105 inches minimum and 0.120 inches maximum
- Width Between Flats
- 0.305 inches minimum and 0.312 inches maximum
- Internal Drive Style
- Cross recess type 1
- Nominal Thread Diameter
- 0.190 inches
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 160000 pounds per square inch
- Hardness Rating
- 36.0 rockwell C minimum and 40.0 rockwell C maximum
- Screw Material
- Steel comp 4037 or steel comp 8630
- Screw Surface Treatment
- Cadmium and chromate
- Screw Surface Treatment Document and Classification
- QQ-P-416, type 2, class 2 fed spec single treatment response
- Thread Series Designator
- UNJF
- Specification/Standard Data
- 81205-BACS12CB professional/industrial association standard
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.