- Measurement System: Imperial
- Diameter - Thread Size: 3/8-16
- Diameter-Thread Size: 3/8-16
- Material: Carbon Steel
- Finish: Zinc Plated
- Width Across Flats: 0.551 to 0.562
- Height: 21/64
- Thread Type: USS
- Hardness: B68-C32 Rockwell
- 90000 psi coarse thread, 80000 psi fine thread proof load
- Low carbon steel-requirements-carbon: 0.47 percent maximum, phosphorus: 0.12 percent maxim
- 0.628 to 0.65 in W across corner
90000 psi coarse thread, 80000 psi fine thread proof load
Low carbon steel-requirements-carbon: 0.47 percent maximum, phosphorus: 0.12 percent maximum, sulfur: 0.23 percent maximum
0.628 to 0.65 in W across corner