Overview
Heavy hex nuts are thicker and wider across flats than standard nuts. ASTM A194 2H nuts are the standard partner for A193 B7 studs on flanges, valves and pressure vessels.
Available plain, black or with zinc and PTFE coatings for corrosive service.
Specifications
| Standards | ASTM A194, ASME B18.2.2 |
|---|---|
| Sizes | 1/2" to 4", M12 to M100 |
| Grades | 2H, 4, 7, 8, 8M |
| Finish | Plain, black, zinc, PTFE coated |
Key features
- High proof load
- Wider bearing face
- Mill test certificates available
Applications
Oil & gasPetrochemicalPower plantsPipelines and flanges
Need a size, grade or finish not listed? We also make special and non-standard parts to drawing. Ask us →
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