- Thread Class
- 3A
- Thread Direction
- Right-hand
- Fastener Length
- 0.178 inches minimum and 0.198 inches maximum
- Head Style
- Headless (setscrew)
- Locking Feature
- Strip threads
- Point Style
- CUP
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.138 inches
- Width Across Flats
- 0.062 inches minimum and 0.063 inches maximum
- Thread Quantity per Inch
- 32
- Hardness Rating
- 45.0 rockwell C minimum overall and 53.0 rockwell C maximum overall
- Material
- Steel overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, ty 2, cl 2 fed spec single treatment response overall
- Thread Series Designator
- UNC
- Specification/Standard Data
- 80205-NAS1081 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.