- Thread Class
- 3A
- Thread Direction
- Right-hand
- Thread Length
- 0.499 in min / 0.578 in max
- Fastener Length
- 1.640 in min / 1.687 in max
- Head Style
- Hexagon
- Head Height
- 0.203 in min / 0.234 in max
- Width Between Flats
- 0.430 in min / 0.439 in max
- Hole Diameter
- 0.070 inches nominal
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.109 in min / 1.141 in max
- Hole Quantity
- 6
- Hole Type
- Drilled
- Features Provided
- Finished head
- Thread Quantity per Inch
- 20
- Min Tensile Strength
- 125,000 PSI
- Hardness
- 26.0 Rc min / 32.0 Rc max
- Hole Configuration
- Hexagon longitudinal hole
- Material
- Steel comp 4140/8740/8630/8735/4130/4037
- Material Document
- MIL-S-5626/6049/6050/6098/6758, AMS 6300
- Surface Treatment
- Cadmium and chromate overall
- Surface Treatment Document
- QQ-P-416, ty 2 cl 3
- Thread Series
- UNC
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.