Heavy-Duty Carriage Bolts | Anti-Corrosion & Custom Sizes

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Our Furniture Carriage Bolt – Sturdy for Furniture Assembly

As a leading DIY hardware expert, we manufacture furniture carriage bolts designed for secure furniture assembly. Made with durable materials, they resist wear and ensure long-lasting stability. Suitable for various furniture types, they come in tailored sizes and meet high standards. Our professional team ensures quality, making them a top choice for furniture makers and DIYers.
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Why choose us?

High - Strength Carriage Bolts for Heavy - Duty Projects

Our carriage bolts are engineered for heavy - duty applications in construction, machinery, and outdoor projects. The square neck design prevents the bolt from rotating during installation, making the fastening process more efficient. Made from high - strength steel, they can withstand significant loads and vibrations. We offer a variety of sizes and finishes, including galvanized and stainless steel options for enhanced corrosion resistance. With our extensive industry knowledge and professional manufacturing process, you can rely on our carriage bolts for your most demanding projects.

Size - Customizable Carriage Bolts for Specific Projects

We recognize that not all projects can be completed with standard - sized carriage bolts. That's why we offer size - customizable carriage bolts. Our professional team can work with you to determine the exact length, diameter, and thread pitch you need for your specific project. Whether it's a unique construction project or a custom - made piece of machinery, our customizable carriage bolts can provide the perfect fit. With our advanced manufacturing capabilities and 30 - year history, we can produce high - quality, customized carriage bolts efficiently.

Anti - Corrosion Coated Carriage Bolts for Outdoor Use

For outdoor projects, our anti - corrosion coated carriage bolts are a great choice. These bolts are coated with a special layer that protects them from rust and corrosion caused by rain, snow, and humidity. Whether you're building a deck, a fence, or an outdoor furniture set, our anti - corrosion carriage bolts will maintain their strength and appearance over time. With our 30 - year experience in hardware manufacturing, we ensure that the coating is evenly applied and adheres firmly, providing long - lasting protection against the elements.

Related products

A furniture carriage bolt is a type of fastener specifically designed for use in furniture construction. It has a unique design that combines the features of a bolt and a smooth, domed head. The domed head of the furniture carriage bolt is designed to sit flush with the surface of the furniture, providing a neat and aesthetically pleasing appearance. Unlike regular bolts, the shank of a furniture carriage bolt has a square section near the head. When the bolt is inserted through a hole in the furniture parts and the nut is tightened, this square section digs into the wood, preventing the bolt from rotating. This makes it an ideal choice for assembling furniture pieces where a secure and stable connection is required. For example, when building a wooden table, furniture carriage bolts can be used to connect the legs to the tabletop. The smooth head of the bolt does not protrude, reducing the risk of snagging clothing or causing injuries. In addition, the strong connection provided by the bolt ensures that the table remains stable and can withstand regular use. If you want to know the price of our furniture carriage bolts, please contact us for more information.

Frequently Asked Questions

Are Zhongsheng’s cotter pins compatible with standard fasteners?

Yes, our cotter pins match standard bolts/nuts. Made of high-strength steel, they prevent loosening under vibration, with consistent sizing via strict quality control, suitable for machinery/automotive/DIY projects.
Yes, our rubber washers use elastomers (silicone, nitrile) resisting high/low temps, chemicals, and moisture. They seal leak-proof for plumbing/automotive/industrial use, with customization available for specific conditions.
Our screw assortment has various screws (wood, sheet metal, machine) in sizes/materials, packed in organized plastic boxes. It covers most DIY needs (furniture, repairs), saving time on sourcing individual screws.
Yes, our cable ties are versatile. UV-resistant for outdoor (garden cables), reusable/flame-retardant for indoor (electrical). Sizes fit different bundle weights, meeting home/industrial needs.

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Customer Reviews

Joseph Wright
Heavy-Duty Carriage Bolts for Deck Construction

I built a large deck in my backyard, and these carriage bolts were essential. They’re made of high-strength steel, so they hold the deck framing together securely. The square neck prevents the bolts from spinning during installation, making the process much easier. The galvanized finish resists rust, which is important for outdoor use. The PVC Blister box had all the bolts I needed, and the professional team at Zhongsheng Hardware helped me calculate the right quantity. The deck is solid and stable— I’m very happy with these bolts.

Susan King
Easy-to-Install Carriage Bolts for Furniture Assembly

I used these carriage bolts to assemble a heavy wooden workbench, and they were easy to install. The rounded head gives the workbench a clean look, and the square neck keeps the bolts in place while tightening the nuts. The bolts are strong, and the workbench is very stable. The PS plastic-absorbing box had all the sizes I needed, and the instructions were simple to follow. For a DIY furniture project, these bolts are perfect— strong, easy to use, and affordable.

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Why Our Carriage Bolts? Heavy-Duty & Weather-Resistant

Why Our Carriage Bolts? Heavy-Duty & Weather-Resistant

Ideal for decks, fences, or machinery, our carriage bolts have anti-spin necks, corrosion-resistant coatings, and come in plastic-absorbing boxes. We offer quality at good prices and custom sizes. With 30 years of experience, we’re trusted by foreign firms. Contact us now for more on your heavy-duty needs.