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Fastener Strength Grade/Class Fastener StrengthGrade/Class | Show |
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System of Measurement System of Measurement |
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Material Material |
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Specifications Met Specifications Met |
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Nut Type Nut Type |
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 | Hex |
Hex Nut Profile Hex Nut Profile |
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 | Extra Wide |
Thread Fit Thread Fit |
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Thread Direction Thread Direction |
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Drive Style Drive Style |
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 | External Hex |
About Nuts, Materials, and Finishes
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Steel Extra-Wide Hex Nuts for
High-Pressure Applications
Able to maintain their strength in high-pressure and high-temperature environments, these nuts 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.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
Steel—Grade 7 | ||||||
|---|---|---|---|---|---|---|
| 3/8"-16 | 11/16" | 23/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 1/2"-13 | 7/8" | 31/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 5/8"-11 | 1 1/16" | 39/64" | ASTM A194 | 10 | 000000000 | 0000 |
| 3/4"-10 | 1 1/4" | 47/64" | ASTM A194 | 10 | 000000000 | 00000 |
| 7/8"-9 | 1 7/16" | 55/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 1"-8 | 1 5/8" | 63/64" | ASTM A194 | 5 | 000000000 | 0000 |
| 1 1/8"-7 | 1 13/16" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/8"-8 | 2 1/32" | 1 7/64" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-7 | 2" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |
| 1 1/4"-8 | 2 15/64" | 1 7/32" | ASTM A194 | 1 | 000000000 | 0000 |