Description
DESCRIPTION
- Hexagon Head
- Undrilled Head
- No Cotter Pin Hole
- Fine Threads
- UNF-3A
- Material: Steel
- Major Diameter: 0.4375 in.
- Thread Per Inch (TPI): 20
- Length: 4.719 in.
- Grip Length: 4.063 in.
- Industry Standard Specification: AIA/NAS NASM3-20
