- Diameter - Thread Size: 1/4-20
- Grade: 5
- Hardness: 25 to 34 HRC
- Head Size: 5/32 in H
- Head Type: Hex
- Length Under Head: 3/4 in
- Material: Medium Carbon Steel
- Material Specification: ASTM B633
- Measurement System: Imperial
- Tensile Strength: 120000 psi
- Thread Type: UNC
- Type: Fully Threaded
- Surface Treatment: Zinc CR+3
- Application
- Standards
For machinery and constructions
ASME B18.2.1