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Square Nuts
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The aptly named four-sided square nuts are internally threaded fasteners with a large bearing surface that ensure complete adherence. These durable nuts can easily be installed using a hand wrench. Browse our selection of sizes and material below. Or contact us at 866-463-2910.
For large scale orders, request a quote to receive our best pricing available for your custom order.
Square Nuts are four-sided fasteners designed to provide a larger surface contact area for better resistance to loosening and improved tool grip. Commonly used with flat washers, these nuts are ideal for applications requiring easy assembly and disassembly or when working with blind holes.
Fastener Solutions offers Grade 2 Square Nuts in multiple finishes to suit various environments and performance needs, including Plain, Zinc Cr+3, and Hot-Dip Galvanized (HDG) options. The Square Machine Screw Nut, Zinc Cr+3 variant provides additional corrosion resistance and a clean, professional appearance for light-duty assemblies.
Whether you’re securing machinery, structural components, or vintage equipment, our selection of Square Nuts delivers dependable strength and compatibility with standard square head bolts and screws.
