- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.750 inches min and 0.828 inches max
- Fastener Length
- 3.453 inches min and 3.500 inches max
- Head Style
- Hexagon
- Head Height
- 0.265 inches min and 0.297 inches max
- Width Between Flats
- 0.740 inches min and 0.752 inches max
- Nominal Thread Diameter
- 0.500 inches
- Grip Length
- 2.672 inches min and 2.703 inches max
- Features Provided
- Finished head
- Thread Quantity per Inch
- 20
- Minimum Tensile Strength
- 125000 psi
- Hardness Rating
- 26.0 Rockwell C min, 32.0 Rockwell C max
- Material
- Steel comp 4140/8740/8630/8735/4130/4037
- Material Document
- MIL-S-5626, MIL-S-6049, MIL-S-6050, MIL-S-6098, MIL-S-6758, AMS-6300
- Surface Treatment
- Cadmium overall and chromate overall
- Surface Treatment Document
- QQ-P-416, ty 2, cl 3
- 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.