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Extreme-Strength Steel Extra-Wide Hex Nuts—Grade 2H


Also known as heavy hex nuts, these nuts are about 10% wider and taller than standard hex nuts and distribute the load over a large area. Grade 2H nuts are comparable in strength to Grade 9 bolts. They're about 20% stronger than high-strength steel nuts and are used in heavy machinery, such as earth-moving equipment.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—ASTM Grade 2H | ||||||
|---|---|---|---|---|---|---|
| 1 5/8"-8 | 2 9/16" | 1 19/32" | ASME B18.2.2, ASTM A194 | 1 | 000000000 | 00000 |
Super-Corrosion-Resistant 316 Stainless Steel
Extra-Wide Hex Nuts for High-Pressure Applications


These nuts have excellent chemical resistance and can be used in saltwater environments. They're able to maintain their strength in high-pressure and high-temperature environments and are used with ASTM A193 bolts to fasten pressure tanks, valves, and flanges. Also known as heavy hex nuts, they are about 10% wider and taller than standard hex nuts and distribute the load over a large area. Nuts may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
316 Stainless Steel—ASTM Grade 8M | ||||||
|---|---|---|---|---|---|---|
| 1 5/8"-8 | 2 9/16" | 1 5/8" | ASTM A194 | 1 | 000000000 | 000000 |

























