Military Standard Shear Bolt
- 100° Countersunk Head
- Fine Threads
- UNJF-3A
- Offset Cruciform Recess
- Material: Corrosion Resistant Steel
- Finish: No Finish
- Major Diameter: 0.25 in.
- Threads Per Inch (TPI): 28
- Length: 1.528 in.
- Grip Length: 1.125 in.
- Industry Standard Specification: AIA/NAS NAS1581