Buy USA Structural & Heavy Hex Nuts Online at South Coast Fasteners
Buy USA Structural and Heavy Hex Nuts online from South Coast Fasteners, Inc. Ready to ship for crews building the frameworks that hold everything together. Made for high-strength steel connections, these nuts are larger and thicker than standard types, providing the clamping power required for bridges, towers, and heavy industrial assemblies. Each piece is manufactured to ASTM A563 and A194 specifications for precise fit and reliable performance under load.
Used across construction, transportation, and energy infrastructure, USA Heavy Hex Nuts from South Coast Fasteners are designed to pair with A325 and A490 structural bolts for full fastening integrity. Offered in multiple grades and finishes, they deliver long-term strength and compliance engineers and fabricators depend on. Order online today from South Coast Fasteners, where every nut ships ready for the next build.
Stock Up and Save on USA-Made Fasteners and Tools from South Coast Fasteners
South Coast Fasteners, Inc. proudly carries a wide selection of USA made products from heavy duty fasteners to professional grade tools, all crafted to support construction, automotive, and industrial applications. To complete your setup, do not miss the SAS Safety® Raven Patriot Gloves, recognized nationwide as the best nitrile gloves available. Built for both strength and flexibility, these gloves alongside our full line of American made products give you the power to take on every project with reliability.
Types of USA Structural and Heavy Hex Nuts
USA 2H Heavy Hex Nut, A194/SA194, Plain
These plain finish heavy hex nuts are designed for high-pressure and high-temperature service. USA 2H nuts are trusted in petrochemical plants, energy facilities, and industrial environments.
USA 2H Heavy Hex Nut, A194/SA194, Zinc CR+3
Coated with zinc CR+3, these nuts provide added corrosion resistance while maintaining strength. USA 2H zinc CR+3 heavy hex nuts are used in power generation, construction, and heavy machinery assemblies.
USA 2H Heavy Hex Nut, A194/SA194, HDG & Colored Wax
These nuts combine hot dip galvanization with a colored wax finish for both corrosion protection and easier installation. USA 2H HDG and colored wax heavy hex nuts are ideal for bridges, towers, and outdoor structural projects.
USA A563 Grade C Heavy Hex Nut, Plain
USA A563 Grade C nuts are made from carbon steel and supplied in a plain finish. They are widely used in construction and industrial applications requiring moderate strength.
USA A563 Grade DH Heavy Hex Nut, Plain
USA A563 Grade DH nuts are manufactured for higher strength than Grade C. In plain finish, they are trusted in structural steel assemblies, heavy construction, and energy projects.
USA A563 Grade DH Heavy Hex Nut, HDG & Wax
These nuts combine high strength with the corrosion resistance of hot dip galvanization and the lubricity of wax. USA A563 Grade DH HDG and wax heavy hex nuts are commonly specified for bridges, highways, and marine structures.
USA Structural & Heavy Hex Nuts - Material Options
South Coast Fasteners stocks USA structural and heavy hex nuts in the following material grades, each chosen to meet specific performance standards.
A194/SA194 (2H)
USA A194/SA194 2H nuts are built for high-pressure, high-temperature service, making them essential in petrochemical, energy, and heavy industry applications.
A563 Grade C
USA A563 Grade C nuts are made from carbon steel and serve general-purpose structural applications.
A563 Grade DH
USA A563 Grade DH nuts provide greater strength than Grade C, making them the preferred choice in bridges, towers, and heavy construction.
USA Structural & Heavy Hex Nuts - Available Finishes
South Coast Fasteners offers USA heavy hex nuts in a curated range of finishes designed to meet environmental and structural demands.
Plain
USA plain heavy hex nuts are uncoated and best suited for indoor or controlled environments.
Zinc CR+3
USA zinc CR+3 heavy hex nuts provide a silver finish and reliable corrosion resistance.
Hot Dip Galvanized & Wax
USA HDG and wax heavy hex nuts combine a thick zinc coating with lubricity for easier installation and long-term outdoor protection.
Hot Dip Galvanized & Colored Wax
USA HDG and colored wax heavy hex nuts provide strong corrosion resistance while allowing for color-coded identification and reduced installation friction.
Why Choose South Coast Fasteners?
South Coast Fasteners is trusted for USA structural and heavy hex nuts because we provide products that meet industry standards and project requirements. With grades like A194/SA194, A563 Grade C, and A563 Grade DH, plus finishes tailored for specific environments, we deliver reliable fastening systems backed by fast service and knowledgeable support.
Shop USA Structural and Heavy Hex Nuts Online at South Coast Fasteners
Order USA structural and heavy hex nuts today from South Coast Fasteners and secure your projects with confidence. With options in multiple grades and finishes, along with bulk ordering and fast delivery, we make it easy to source the right fasteners for your structural and industrial needs.