Heavy Hex Nut
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Our ASTM A194 B8 & B8M heavy hex nuts provide high-strength, corrosion-resistant fastening for demanding applications. Manufactured to ASTM standards, our heavy hex nuts offer superior durability and reliability in high-pressure, high-temperature, and corrosive environments. The B8 (304 stainless steel) variant provides excellent general corrosion resistance, while the B8M (316 stainless steel) variant offers enhanced protection in marine, chemical, and industrial settings. Designed for use in structural connections, heavy machinery, piping systems, and high-strength bolting, these nuts ensure a secure hold in critical applications. Available in multiple metric and inch sizes, with consistent stock levels to support bulk orders. Perfect for manufacturers, contractors, and OEMs. Contact us for pricing, special inquiries, and availability.
| Type | NUT |
|---|---|
| Diameter | 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4, 7/8, 1, 1 1/8, 1 1/4, 1 1/2, 1 3/4, 2, 3 1/4 |
| Grade | A194M 8, A194M 8A, A194M 8M, A194M 8MA, 18-8, 316, A2, A4, A6 410 |
| Thread | Coarse, Fine |
| DIN / ISO | DIN 6915, DIN A194, ISO 4033, ISO 4775 |
| Metric Diameter | M10, M12, M20, M24 |
| Finish | Stainless Steel |
