Carriage Bolts Available at South Coast Fasteners

South Coast Fasteners, Inc. supplies carriage bolts designed for secure fastening with a smooth, finished appearance. Featuring a round head and square neck that locks into wood or metal to prevent turning during installation, carriage bolts are widely used in wood construction, furniture assembly, decking, and light structural work. Their clean look and secure hold make them a trusted option for both functional and visible applications.

Find Honest Pricing That Reflects Real Value at South Coast Fasteners

Use the options below to find the fasteners you need in the quantities required for your application. Questions? Contact us today, and our team will gladly assist you in finding the best fastening solutions for your requirements. With South Coast Fasteners, you can count on helpful support, competitive pricing, and top-quality products for all your fastener requirements.

Carriage Bolts Offered at South Coast Fasteners

A307 Grade A Carriage Bolt, Plain

A307 Grade A carriage bolts are made from low-carbon steel for general-purpose fastening. The plain finish is ideal for indoor use or applications requiring secondary coating. Commonly used in wood construction, furniture, and light structural assemblies.

A307 Grade A Carriage Bolt, Zinc CR+3

These bolts feature a CR+3 zinc plating for enhanced corrosion resistance and a bright, clean appearance. Perfect for general construction, equipment assembly, and maintenance work in mild environments.

A307 Grade A Carriage Bolt, Zinc Yellow CR+6

Zinc Yellow CR+6 plating offers superior corrosion resistance and visual distinction. Commonly used in machinery, framing, and agricultural equipment where both strength and aesthetics are valued.

A307 Grade A Carriage Bolt, HDG

Hot-dip galvanized A307 carriage bolts provide rugged corrosion protection for outdoor and marine use. Ideal for wood-to-metal connections in decks, docks, and structural framing.

Grade 5 Carriage Bolt, Plain

Grade 5 carriage bolts are heat-treated for increased tensile strength and toughness. The plain finish allows for customization or coating after installation. Common in automotive, industrial, and heavy assembly applications.

Grade 5 Carriage Bolt, Zinc CR+3

CR+3 zinc-plated Grade 5 carriage bolts deliver a combination of strength and corrosion resistance. Ideal for construction, machinery, and general maintenance use.

Grade 5 Carriage Bolt, Zinc Yellow CR+6

Featuring a yellow CR+6 zinc coating, these bolts provide excellent corrosion resistance and easy identification. Widely used in equipment manufacturing, repair, and field service work.

Grade 5 Carriage Bolt, HDG

Hot-dip galvanized Grade 5 carriage bolts offer high strength and protection in outdoor and high-moisture environments. Commonly found in utility, marine, and heavy construction applications.

Stainless 18-8 Carriage Bolt

Made from 18-8 stainless steel for dependable corrosion resistance in most environments. Ideal for food processing, outdoor furniture, and general marine use.

Stainless 316 Carriage Bolt

316 stainless carriage bolts deliver exceptional resistance to saltwater and harsh chemicals. Perfect for marine, coastal, and chemical plant applications.

A307 Grade A Carriage Bolt w/ Hex Nut, Zinc CR+3

These A307 bolts come pre-packaged with matching hex nuts for convenience. Zinc CR+3 finish provides bright, corrosion-resistant performance in construction, repair, and assembly work.

Carriage Bolts - Material Options

South Coast Fasteners stocks carriage bolts in material grades selected to balance cost, durability, and corrosion protection for a range of indoor and outdoor applications.

A307 Grade A

These low carbon steel bolts are a dependable option for fastening into wood, soft metal, or composite materials. A307 Grade A is commonly used in residential framing, fence posts, and general-purpose structures where moderate strength and affordability are both important. These bolts are easy to install and readily available in a wide range of lengths.

Grade 2

Often chosen for light-duty or non-critical connections, Grade 2 carriage bolts are the most economical option for general fastening. They are popular in agricultural equipment, shelving, crate assembly, and similar projects that do not require high load capacity or resistance to vibration.

Grade 5

These medium carbon steel bolts are heat-treated for added strength and are used in heavier-duty connections where tension or vibration resistance is a factor. Grade 5 carriage bolts are a solid choice for machinery, equipment enclosures, and structural connections where a stronger bolt is needed without stepping into high-alloy options.

Stainless Steel 18-8

This stainless alloy offers strong corrosion resistance, making it ideal for use in outdoor, marine, or high-moisture environments. Stainless steel carriage bolts are commonly used in decks, docks, outdoor furniture, and anything exposed to the elements. The clean finish also makes them a good fit for decorative or visible installs where appearance matters.

Stainless Steel 316

Stainless Steel 316 carriage bolts offer exceptional corrosion resistance, especially in saltwater, chemical, and high-moisture environments. Their strength and durability make them the top choice for marine, coastal, and industrial applications where long-term performance and appearance are critical.

Carriage Bolts - Available Finishes

South Coast Fasteners offers carriage bolts in finishes that enhance corrosion resistance, blend with your project’s aesthetic, and provide reliable performance in varied environments.

Black Oxide

A light-duty finish that adds a dark, matte appearance while offering mild corrosion resistance. Black oxide is commonly used in indoor furniture, equipment housing, or decorative applications where visual appeal is a factor and exposure to moisture is limited.

Hot Dip Galvanized

A heavy zinc coating applied for strong corrosion protection, especially in outdoor, marine, or wet environments. Hot dip galvanized carriage bolts are often used in structural wood assemblies, utility builds, or industrial fencing where long-term exposure to the elements is expected.

Plain

Uncoated, raw steel for use in dry indoor environments or projects where the bolts will be painted or finished after installation. Plain finish carriage bolts are straightforward and cost-effective, often used in framing or interior builds where appearance and corrosion are not concerns.

Yellow Zinc Cr+6

This finish provides a bright, golden appearance with enhanced corrosion resistance. Yellow zinc is often used in automotive, equipment assembly, or cabinetry installs where visibility, function, and aesthetics all matter.

Zinc Cr+3

A clean, silver-toned finish that adds dependable corrosion resistance in general environments. Zinc Cr+3 carriage bolts are used in hardware, machinery, and light structural assemblies where protection and appearance are both important.

Why Choose South Coast Fasteners?

At South Coast Fasteners, we understand that carriage bolts need to lock in tight, look clean, and stay reliable across seasons and uses. That is why we stock the sizes, grades, and finishes that builders and installers ask for by name. Whether you are reinforcing heavy timbers or attaching metal hardware to wood, we have the bolt to match your job. We ship fast, keep it simple, and back every order with experience that helps you finish the work the right way.

Shop Carriage Bolts Online at South Coast Fasteners

Ordering carriage bolts through South Coast Fasteners is straightforward, fast, and backed by a team that knows what works. Whether you need a stainless option for an outdoor build or a bulk pack of galvanized bolts for site installation, we are ready to help. Browse online, request pricing, or reach out for product guidance. We will make sure you get what fits.