Shop USA Hex Cap Screws Online at South Coast Fasteners

South Coast Fasteners, Inc. supplies USA hex cap screws that remain one of the most widely used fasteners across construction, manufacturing, and heavy equipment industries. Known for their strength and versatility, these screws feature a six-sided head that works easily with standard tools, making them simple to install while providing dependable clamping power.

Industries ranging from automotive and construction to energy and industrial machinery rely on USA hex cap screws for projects that demand durability and consistency. Whether building large structures, assembling machinery, or maintaining equipment, these screws are designed to hold up under pressure.

Get Quality You Can Trust and Pricing You Will Appreciate 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 Hex Cap Screws

USA Grade 5 Hex Cap Screws

USA Grade 5 hex cap screws are heat-treated for strength and toughness, making them a dependable option for medium-duty applications. They are commonly used in construction, automotive assemblies, and machinery where strength is required but extreme hardness is not necessary. Their balance of performance and cost makes them one of the most widely specified fasteners in the industry.

USA Grade 8 Hex Cap Screws

USA Grade 8 hex cap screws are manufactured for heavy-duty service and deliver high tensile strength for demanding applications. They are widely used in industries such as heavy equipment, mining, and energy infrastructure, where durability under pressure is non-negotiable. Known for their ability to handle high clamping loads, they are a top choice for safety-critical assemblies.

USA Silicon Bronze Hex Cap Screws

USA silicon bronze hex cap screws provide a combination of strength and excellent corrosion resistance. They are often used in marine, plumbing, and chemical applications where resistance to saltwater, moisture, and corrosive environments is essential. Beyond performance, the bronze material offers a distinct appearance, making these screws desirable for projects where both function and finish matter.

USA Hex Cap Screws - Material Options

South Coast Fasteners stocks USA hex cap screws in the following material grades, each chosen for specific performance needs across industries.

Grade 5 Steel

USA Grade 5 steel hex cap screws deliver a strong mix of strength and affordability. They are suited for construction, machinery, and automotive use where reliable fastening is required.

Grade 8 Steel

USA Grade 8 steel hex cap screws are designed for heavy-duty use and maximum load capacity. They are a go-to option in manufacturing, energy, and equipment production where consistent strength is vital.

Silicon Bronze

USA silicon bronze hex cap screws provide natural resistance to corrosion without the need for coatings or platings. They are trusted in marine and chemical industries, as well as in decorative and architectural applications.

USA Hex Cap Screws - Available Finishes

South Coast Fasteners offers USA hex cap screws in a curated range of finishes designed to enhance corrosion resistance, meet aesthetic requirements, and support specific industry needs.

Plain

A straightforward finish where the steel remains untreated. USA plain hex cap screws are typically used indoors or in applications where corrosion is not a primary concern, offering a cost-effective fastening solution.

Zinc CR+3

USA zinc CR+3 hex cap screws feature a silver appearance and solid corrosion resistance. This finish is common in plumbing, light construction, and commercial hardware where performance and appearance must align.

Yellow Zinc CR+6

USA yellow zinc CR+6 hex cap screws stand out with their gold-tone finish while providing enhanced protection against corrosion. They are often specified in automotive and electrical assemblies for their visibility and durability.

Yellow Zinc & Bake CR+3

USA bake CR+3 hex cap screws combine zinc plating with a bake cycle that reduces the risk of hydrogen embrittlement. This finish is widely used in high-strength fasteners for automotive, aerospace, and structural applications.

Why Choose South Coast Fasteners?

South Coast Fasteners is a trusted partner for USA hex cap screws because we combine deep expertise with a commitment to service. We stock a wide selection of grades, materials, and finishes, ensuring that customers across industries—from construction to marine—can find the exact fastener they need. With quick delivery, reliable availability, and knowledgeable support, we make it easy to keep projects moving forward.

Shop USA Hex Cap Screws Online at South Coast Fasteners

Order USA hex cap screws from South Coast Fasteners today and experience the difference of working with a dependable supplier. We offer bulk ordering, quick turnaround, and support for specifications or certifications to meet your project requirements. Contact our team for guidance and trust that your fasteners will arrive ready to perform.