Your Professional Bolt Manufacturers
Handan DongChao Hardware Products Co., Ltd. is a leading fastener manufacturer and factory established in 2008, located in the fastener capital of China. With nearly two decades of experience in design, production, and global distribution, we specialize in producing self drilling screws, Tek screws, and self tapping screws. In addition, we supply a wide range of high-quality fasteners including bolts, nuts, washers, shear studs, threaded rods, anchor bolts, and rivets, serving diverse industries worldwide.
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Why Choose Us
Professional Team
The members of the team are highly skilled and proficient in their respective roles and possess the necessary education, training, and experience to excel in their jobs.
Quality & Certification
Handan DongChao adheres to strict international quality standards, holding ISO and CCC certificates. Every product is engineered for durability, strength, and reliability to meet the needs of demanding applications.
Customized Services
We understand that each customer has unique manufacturing needs. That’s why we offer customization options to cater to your specific requirements.
Global Market
Our fasteners are widely exported to USA, UK, UAE, Saudi Arabia, Vietnam, Korea, Africa, South America, and many other regions, earning trust and recognition from customers worldwide.
Benefits of Bolt
Increased Safety
Another advantage of using bolts is that they can help to increase safety. This is because bolts are less likely to fail than other types of fasteners, which can often come loose over time. Additionally, bolts are less likely to cause damage to the surrounding area if they do fail, as they will simply snap instead of shatter.
Stronger Joints
One of the primary advantages of using bolts is that they create stronger joints than other types of fasteners. This is because bolts are designed to be tightened to a specific torque, which creates a more secure joint. Additionally, bolts are less likely to loosen over time, which can often be an issue with other types of fasteners.
Easier to Install
Bolts are also generally easier to install than other types of fasteners. This is because they do not require any special tools or equipment for installation. Additionally, bolts can be installed quickly and easily, even by those with limited experience.
More aesthetically pleasing
Bolts are also more aesthetically pleasing than other types of fasteners. This is because they are available in a variety of finishes, such as zinc-plated or stainless steel. Additionally, bolts can be color coded to match the surrounding area, which can add a touch of style to any project.
Reusable
Another advantage of using bolts is that they are reusable. This means that they can be removed and reused as needed, which can save time and money in the long run.
Applications Of Bolts In Various Industries
Aerospace
The aerospace industry demands bolts that can endure high pressure, temperature fluctuations, and vibrations. High-strength alloy bolts, such as those made from titanium and Inconel, ensure structural integrity in aircraft engines, fuselage assemblies, and landing gear mechanisms.
Automotive
From chassis assembly to engine components, bolts play a crucial role in automotive manufacturing. High-torque bolts are used in wheel hubs, suspension systems, and transmission assemblies to ensure reliability and safety on the road. Anti-corrosion coatings help extend the lifespan of automotive bolts, especially in regions with harsh weather conditions.
Construction
Bolts are fundamental to the construction industry, providing essential connections in steel frameworks, bridges, and high-rise buildings. Anchor bolts secure structures to concrete foundations, while high-strength structural bolts reinforce joints in large-scale infrastructure projects.
Machinery And Equipment
Industrial machinery relies on bolts for assembling rotating and stationary components. Precision-engineered bolts prevent misalignment and enhance operational efficiency in heavy-duty equipment such as turbines, conveyor systems, and hydraulic presses.
Marine And Offshore
The maritime and offshore industries require bolts that resist saltwater corrosion and extreme environmental conditions. Stainless steel, bronze, and polymer-coated bolts are commonly used in shipbuilding, oil rigs, and underwater pipelines to ensure long-term reliability.
DIY And Home Improvement
Bolts are widely used in home improvement projects, including furniture assembly, deck construction, and plumbing installations. Their versatility and ease of use make them a staple in hardware stores and workshops for both professionals and DIY enthusiasts.
Types of Bolt
Hex Bolts: Hex bolts are the most common type of bolts with a hexagonal head. They are used in a wide range of applications, from assembling machinery to constructing buildings.
Structural Bolts: These heavy-duty bolts are designed for structural applications, ensuring the stability and safety of large structures, such as bridges and skyscrapers.
Tower Bolt Sets: Tower bolts are known for their durability and are used in critical applications like power transmission lines and telecommunications towers.
Anti-Theft Bolt Sets: These bolts provide added security by deterring unauthorized removal. They are widely used in public places and infrastructure.
Tension Bolts: Tension bolts are used when creating a tight connection is essential, such as in suspension bridges or cranes.
Flange Bolts: Flange bolts have a built-in washer face beneath the head, providing a broader surface area for distributing load. They are commonly used in automotive and machinery applications.
Carriage Bolts: Carriage bolts have a smooth, rounded head and are used to prevent tampering. They are commonly found in playground equipment, fences, and garage doors.
Round Head Bolts: Round head bolts have a semi-circular head, ideal for achieving a smooth and flush connection. They are used in decorative applications and furniture assembly.
Step Bolts: Step bolts have a unique stepped design that allows for adjustable fastening. They are commonly used in railway tracks and utility poles.
Countersunk Bolts: Countersunk bolts are designed to be flush with the surface they are fastening, providing a clean, flat appearance. They are often used in carpentry and cabinetry.
Specification
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Product Name: |
Bolt |
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Standard: |
ASTM/ANSI,EN ISO,AS, |
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Material |
Stainless steel :SS201, SS202, SS303, SS304, SS316, SS316L, SS904L, F593 |
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Carbon steel:Q195, Q235, 35K, 45K, 42Grmo, 307A, 307B, A325, A394, A490, A449 |
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Finishing |
Plain, Black, zinc-plated, HDG, Nickel, Gr, Dacromet. |
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Production |
M2-M24:Cold Froging,M24-M100 Hot Forging, |
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Process |
Machining and CNC for Customized fastener |
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Certs |
Material Certs and inspection certs are available |
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Samples |
Free Samples for standard fastener |
Lead Time
|
Quantity (kilograms) |
10 - 1000 |
1001 - 5000 |
5000 - 50000 |
> 50000 |
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Lead time (days) |
7 |
15 |
30 |
To be negotiated |
Packaging Delivery
FAQ
As one of the leading bolt manufacturers and suppliers in China, we warmly welcome you to wholesale bulk bolt in stock here and get pricelist from our factory. All customized products are with high quality and competitive price.
Carbon Steel U Bolt Clamp, DIN6921 Hex Flange Bolt, Zinc Plated Stud Bolt