- Thread Class
- 3A
- Fastener Length
- 0.812 inches nominal
- Head Style
- Flat chamfer
- Head Diameter
- 0.218 inches minimum and 0.226 inches maximum
- Head Height
- 0.134 inches minimum and 0.138 inches maximum
- Internal Drive Style
- Hexagon
- Nominal Thread Diameter
- 0.138 inches
- Width Across Flats
- 0.109 inches minimum and 0.111 inches maximum
- Thread Quantity per Inch
- 32
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell C minimum overall and 45.0 rockwell C maximum overall
- Minimum Yield Strength
- 155000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel overall
- Material Document and Classification
- Fed 66 fed std all material responses overall
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 TY2 CL2 fed spec single treatment response overall
- Thread Series Designator
- UNRC
- Specification/Standard Data
- 80205-NAS1352 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.