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

Our Carriage Bolt Screwfix – Easy for Screwfix Installations

We offer carriage bolt screwfix kits that include carriage bolts, matching nuts, and washers—everything needed for screwfix installations. The bolts feature a square neck that locks into pre-drilled holes, and the screwfix-compatible design ensures easy, precise installation with screwfix tools. Made from durable materials, these kits work for wood, metal, or concrete projects (shelves, frames, outdoor structures). Our carriage bolt screwfix kits simplify installation while guaranteeing secure, long-lasting fastening.

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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.

Carriage bolt options available at Screwfix provide a comprehensive solution for those in need of reliable fasteners for a variety of projects. Screwfix is recognized for its extensive range of hardware products, and its carriage bolts are no exception. These carriage bolts come in a diverse selection to cater to different needs. They are offered in multiple materials, such as steel, stainless steel, and brass. Steel carriage bolts from Screwfix are a great choice for general - purpose applications where cost - effectiveness and strength are important. Stainless steel carriage bolts are ideal for outdoor projects or areas with high humidity, as they offer excellent corrosion resistance. Brass carriage bolts can add a touch of elegance to decorative woodworking or furniture assembly projects. The sizes of carriage bolts at Screwfix also vary widely. You can find bolts with different diameters and lengths to suit the thickness of the materials you are fastening. Whether you are working on a small DIY project or a large - scale construction job, there is likely a carriage bolt at Screwfix that will meet your size requirements. Screwfix makes it easy to purchase carriage bolts. You can visit one of their physical stores, where knowledgeable staff can assist you in finding the right products. Alternatively, you can shop online through their user - friendly website. The online platform provides detailed product descriptions, including specifications and customer ratings, allowing you to make an informed decision. If you have any questions about carriage bolts at Screwfix or need help selecting the right ones for your project, feel free to contact us. Our team of experts will be happy to provide you with the guidance you need.

Frequently Asked Questions

What materials are Zhongsheng’s copper washers made of?

Our copper washers use high-purity copper, offering good conductivity and corrosion resistance. Ideal for plumbing (sealing) and electrical connections, they distribute pressure evenly, lasting long per our 30-year quality standard.

Can Zhongsheng’s rubber washers withstand harsh conditions?

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.

Are Zhongsheng’s cable ties for indoor and outdoor use?

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.

What do Zhongsheng’s felt pads do, and easy to install?

Our felt pads prevent scratches, reduce noise, and anti-slip. Self-adhesive for easy installation, fitting furniture feet (chairs, tables), with thicknesses for heavy/light use, durable for long protection.

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Customer Reviews

Charles Adams

Custom Carriage Bolts for Industrial Equipment

Our factory needed custom-sized carriage bolts for a piece of industrial equipment, and Zhongsheng Hardware delivered exactly what we needed. The bolts are made of high-quality materials, and they fit the equipment perfectly. The professional team worked closely with us to ensure the specifications were correct, and the delivery was on time. The bolts have held up under heavy use, and they’ve improved the equipment’s performance. Great customization service and high-quality products.

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

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.

WENZHOU ZHONG SHENG HARDWARE CO.,LTD provides high-quality DIY hardware, wall anchors, screws, and blister-packed hardware kits. 30 years of manufacturing expertise, BSCI-approved factory, exported to 500+ regions. Get a quote today.

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