- Diameter - Thread Size: 3/8-24
- Hardness: HRC 26 to 34
- Height: 21/64 in
- Measurement System: Imperial
- Thread Direction: Right Hand
- Thread Type: UNF
- Width Across Flats: 9/16 in
- Wrench Size: 9/16 in
- Material: Medium Carbon Steel
- Material Grade: 8
- Surface Treatment: Plain
- Standards
ASME/ANSI B18.2.2