- Diameter - Thread Size: 1/4-20
- Drive Size: 3/16 in
- Drive Type: Hex
- Grade: 3A
- Material: Heat Treated Alloy Steel
- Material Specification: ASTM A574
- Measurement System: Imperial
- Overall Length: 1-1/2 in
- Series: 1960
- Type: Partially Threaded
- Surface Treatment: Plain/Thermal Black Oxide
- Application
- Item Features
- Standards
For fastening or clamping components together, die castings and machine assemblies among other use
- UNC thread
ASME/ANSI B18.3-2002/B18.3 1986