- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.344 inches minimum
- Fastener Length
- 1.219 inches nominal
- Head Style
- Button
- Head Diameter
- 0.500 inches nominal
- Head Height
- 0.125 inches nominal
- Groove Diameter
- 0.196 inches nominal
- Shank Unthreaded Hole Diameter
- 0.076 inches nominal first hole
- Single Shear Strength
- 3680 pounds per square inch
- Internal Drive Style
- SLOT
- Nominal Thread Diameter
- 0.250 inches
- Thread Quantity per Inch
- 28
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell C minimum and 32.0 rockwell C maximum overall
- Distance from Head Largest Bearing Surface to Shank Hole Center
- 1.063 inches nominal first hole
- Material
- Steel comp 4037 or steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4140 overall
- Material Document and Classification
- MIL-B-6812 mil spec all material responses overall
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document and Classification
- QQ-P-416 ty 2 cl 3 fed spec single treatment response overall
- Thread Series Designator
- UNF
- Departure from Cited Document
- Thread T per MIL-S-7742 except major dia is not to exceed max allow shank bolt dia
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.