- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.751 inches minimum and 1.875 inches maximum
- Fastener Length
- 1.813 inches minimum and 1.875 inches maximum
- Head Style
- Fillister
- Head Diameter
- 0.221 inches minimum and 0.226 inches maximum
- Head Height
- 0.074 inches minimum and 0.086 inches maximum
- Internal Drive Style
- Torque set
- Nominal Thread Diameter
- 0.138 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 4140 or steel comp E4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
- Thread Series Designator
- UNC
- Specification/Standard Data
- 80205-NAS1101 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.