Your #1 Hex Head Bolts Manufacturer in China

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Your Expert Hex Bolts Manufacturer

  • Over 20 years of experience in bolt manufacturing.
  • Bolts compliant with international standards such as ASME, BSW, DIN, ISO, ASTM, and SAE.
  • Customization available for dimensions, materials, surface finishes, and strength grades based on drawings.
  • ISO 9001 and ISO 45001 certified.
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Bystrong Inch Bolts Power Your Projects

As a professional manufacturer of Inch hex bolts, we have been deeply engaged in the fastener industry for over 20 years.

We manufacture and supply a wide range of fasteners, including hex head bolts in UNC, UNF, BSW, and metric specifications, as well as carbon steel hex head bolts with partial or full threading.

You can request our material test reports, which are applicable to bolt standards such as ASME B 18.2.1, BSW 916, DIN 931, and DIN 933. We will provide the best manufacturing solution based on your project.

Explore Our Products

unc bolt

UNC Bolt

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BSW BOLT

BSW Bolt

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BSF BOLT

BSF Bolt

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UNF BOLT

UNF Bolt

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DIN 931 HEX BOLT

DIN 931 Hex Bolt

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DIN 933 HEX BOLT

DIN 933 Hex Bolt

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Helping Your Project Soar—Bolts Manufacturing Experts

Whether you are sourcing for your own brand or purchasing bolts for engineering projects, Bystrong can meet all your needs. As a leading Chinese bolt manufacturer, Bystrong produces bolts that not only comply with industry standards but have also passed rigorous testing. We can provide 24-hour to 720-hour salt spray tests, as well as tensile tests, yield tests, etc., to quickly meet the needs of various projects.

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Why Bystrong Wins Users Trust Globally

20+ Years of Experience

Bystrong has over 20 years of experience in manufacturing imperial bolts and can provide a full range of bolts for your projects, including materials, strength, surface treatments, and OEM customization.

Strength Grade

Bystrong can manufacture bolts with performance grades of 2, 5, or 8 based on your specific requirements.

High Quality

All Bystrong bolts exceed industry quality standards for fasteners. You can completely trust Bystrong bolts.

Test

All our standard bolts undergo salt spray testing, metallographic inspection, and tensile/yield strength testing. If you require custom bolts, we can also arrange for various types of testing.

Automated Bolt Production Line

We have advanced automated bolt production lines that ensure on-time delivery of your orders, even during peak season.

Complies with International Standards.

All Bystrong products comply with ASTM, ASME, SAE, DIN, and BS standards; for more information, please contact us online.

Who Uses Bystrong Bolts?

Global Bolt Brands

If you are a brand owner selling bolts to the local market, Bystrong will be your reliable bolt OEM manufacturer. You can start with our standard bolts (BSW, ASME, DIN) and move on to custom products as your business grows.

Bolt Trading Company

If you are a bolt trader, Bystrong will fully support your intermediary business; you can also become our local agent, and Bystrong always provides comprehensive support to agents worldwide.

Application Scenarios

If you are building hotels, hospitals, factories, machinery, or other projects, you will inevitably need various fasteners. Bystrong offers a one-stop service covering everything from materials and manufacturing to surface treatment—simply provide the project details, and Bystrong will handle the rest.

Bystrong Bolt Manufacturing Equipment

Wire Drawing Machine

Automatic Bolt Cold Heading Machine

Automatic Thread Rolling Machine

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FAQS

For standard specifications (metric/imperial standard sizes): For small quantities of samples or trial runs, the MOQ can be as low as 100 pieces.

For non-standard custom orders or special materials: To offset production changeover costs, the MOQ is typically 5,000 pieces; the exact number depends on your drawing specifications and the production process.

You are more than welcome! If you are unable to visit in person, we can also arrange an online video inspection of the factory, allowing you to view the production line remotely.

Key markets: North America (USA, Canada), Europe (Germany, UK, France, Italy), Southeast Asia (Japan, South Korea, Vietnam, Thailand), the Middle East (UAE, Saudi Arabia), and Australia.

Special Note: For countries subject to anti-dumping duties (such as the EU, the US, and Canada, which have specific policies targeting Chinese carbon steel fasteners), we can provide clients with suggestions for third-country transshipment logistics solutions or assist in obtaining the corresponding certificates of origin to help you optimize your procurement costs. To determine feasibility for your specific location, please provide the destination port so we can calculate applicable tariffs and freight charges.

Certainly. We have complete quality system certifications and product testing reports.

  • ISO 9001:2015 Quality Management System certification.
  • Product test reports: salt spray test reports, mechanical property (tensile strength/hardness) test reports, and material spectral analysis reports.

T/T: 30% deposit + 70% balance before shipment; or 30% deposit + 70% against copy of Bill of Lading.

Hex bolts are just one of our core products; our product line also includes:

  • Non-standard parts: Custom-manufactured according to customer drawings, including high-strength double-end studs, anchor bolts, U-bolts, square-head bolts, and various other non-standard components.
  • Surface Treatment: We offer a full range of surface treatment processes, including natural finish, black oxide, zinc plating (blue-white, iridescent, or yellow), hot-dip galvanizing, Dacromet, Geomet, and more.
  • For any metal parts related to “threaded connections,” we can either manufacture them in-house or source them through subcontractors, providing you with a one-stop solution to reduce your procurement management costs.

We are a manufacturing plant. We possess most of the technologies required to produce metal products, from raw wire rod to the final product.

Depending on the product, standard production lead times range from one to four weeks. If your product requires customization, production typically takes three to six weeks.

Some special products may require longer delivery times. Send us your drawings, and our engineers will give you a realistic estimated time and explain why.

We have obtained ISO 9001:2015 certification. We strictly enforce incoming quality control (IQC), in-process quality control (IPQC), and outgoing quality control (OQC).

Yes, we can manufacture products based on drawings, samples, or technical specifications.