- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 1.036 inches minimum and 1.076 inches maximum
- Fastener Length
- 2.921 inches minimum and 2.931 inches maximum
- Head Style
- Double hexagon extended washer
- Head Height
- 0.701 inches minimum and 0.721 inches maximum
- Width Between Flats
- 0.803 inches minimum and 0.814 inches maximum
- Extended Washer Diameter
- 1.220 inches minimum and 1.230 inches maximum
- Extended Washer Thickness
- 0.168 inches minimum and 0.188 inches maximum
- Hole Diameter
- 0.055 inches nominal
- Nominal Thread Diameter
- 0.750 inches
- Grip Length
- 1.865 inches minimum and 1.885 inches maximum
- Hole Quantity
- 2
- Hole Type
- Drilled
- Features Provided
- Finished head
- Thread Quantity per Inch
- 16
- Minimum Tensile Strength
- 180000 pounds per square inch
- Hardness Rating
- 39.0 rockwell C minimum and 43.0 rockwell C maximum overall
- Hole Configuration Style
- Hexagon longitudinal hole
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- Steel comp 8740 or steel comp 4140 or steel comp 4340 or steel comp 6150 overall
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416, type 2, class 3 fed spec single treatment response overall
- 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.