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Standard (SAE) Hex Nuts

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Fasten Tightly With Hex Nuts

Whether you’re using hex nuts for construction projects, arts and crafts, or automotive repairs, they're essential to securing bolts and screws tightly. Lowe’s offers a wide range of hexagonal nuts in different sizes and materials, including galvanized steel and zinc-plated.


Heavy hex nuts are commonly used to secure wood and metal components, including wood to wood, wood to metal and metal to metal applications. They're commonly made from steel with a hexagonal-shaped outer shell, but you can also purchase brass, stainless steel and nylon hex nuts. Galvanized zinc hex nuts are recommended for most general uses and resist corrosion, even in outdoor settings. Duplex coated hex nuts are twice as resistant and offer four layers of protection from weather and chemical exposure. 


For secure and durable fastening, be sure to select hex nuts that are of a similar grade and finish as your washers and bolts. For more help check out our Guide — How to Choose Bolts, Nuts, and Washers — for more information.