Are you looking for the best bolt and nut manufacturers in China? With so many options available, choosing the right one can be overwhelming. In this article, we’ll compare some of the top bolt and nut manufacturer factories in China, helping you make an informed decision for your needs. Let’s dive in and find the perfect fit for your project.

Hex Bolt Manufacturer, China Bolt, Fastener …

China Hex Bolts,Hex Nuts,Flat Washers,Machine Screws …

Bolts and Nuts | China | Ningbo Teng Qi Fasteners Co.,Ltd

Bolts,Nuts,Thread Rods,Washers Manufacturers, Suppliers …

nut and bolt supply – bolt screw – Hex nut – lock nut – China …

Product Details: Ding Fastener provides a wide variety of fasteners, including nuts, bolts, screws, hexagonal nuts, flange lock nuts, prevailing torque nuts, anchor bolts, U-bolts, lag bolts, and wood screws. They offer stainless steel bolts and nuts in grades such as A2/SS304, A4/SS316, SS310S, SS316L, duplex steel (S31803, S32205, S32750), and nickel alloys (Inconel 600, Inconel 601, Incoloy 800, Incoloy 800h, Incoloy 825, Monel 400). The sizes range from M6 to M30 for hex nuts and M6 to M20 for hex head bolts. They also provide customized fasteners and solutions for anti-loosening, such as PRECOTE, U-TORQ, 3M, LOCTITE coatings. Additionally, they offer

EN 10204 3.1 certificates and salt spray tests to ensure quality[1][2][3].

Pros:
– Wide variety of fastener types and sizes available
– High-quality materials with excellent corrosion resistance and non-magnetic prop…
– Stable production capacity with over 10,000 tons of stainless steel bolts and nu…
– Professional technical support and free samples for testing
– Competitive prices and flexible payment terms, including 60-90 days credit perio…
– Excellent customer support and speedy delivery
– Customized fastener solutions and anti-loosening coatings available

Cons:
– No specific minimum order quantity mentioned, but advance payment required for n…
– Limited information on the website regarding the return or refund policies
– Dependence on international shipping which can be affected by global events

China Steel Nut Bolts & Steel Hex Bolt factories

Product Details: Bolts and nuts are hardware fasteners used to join two or more components together securely. They come in various materials such as carbon steel, stainless steel, brass, aluminum, and titanium. Bolts have a threaded shaft with a head designed for specific tools, while nuts are small metal blocks with a threaded hole. They are available in different sizes, thread types, and grades to suit various applications.

Pros:
– High versatility in different materials and sizes
– Excellent for applications requiring high strength and corrosion resistance
– Wide range of types, including hex nuts, lock nuts, wing nuts, and more
– Suitable for various industries such as construction, manufacturing, automotive,…

Cons:
– May rust over time if not protected, especially carbon steel
– Higher cost for materials like stainless steel and titanium
– Requires careful selection to match the application requirements
– Can fail if the weakest shear plane in the thread profile is not considered

Top 10 Fastener Suppliers and Manufacturers in China

Product Details: Prince Fastener Manufacturing Co., Ltd. is a leading fastener manufacturer based in China, with over 30 years of experience. The company has both office and factory locations in Shanghai and Nantong Province. The Nantong Prince Fastener Plant covers an area of 25,300 square meters with a construction area of nearly 18,000 square meters. They specialize in producing various types of fasteners, including drywall screws, chipboard screws, machine screws, self-tapping screws, self-drilling screws, non-standard screws, engineering fasteners (high-strength bolts, nuts, washers, anchors), and stainless steel screws. They also offer customization services for fasteners and non-standard parts according to customer requirements.

Pros:
– ISO-approved, ensuring adherence to international quality standards
– Excellent production and testing equipment
– Skilled technical and quality assurance teams
– Customization options for fasteners and non-standard parts
– One-stop fastener purchasing experience
– High-quality products with enhanced durability and corrosion resistance
– Global shipping capabilities

Cons:
– Custom fasteners can be more expensive due to precise manufacturing requirements
– May require additional components like washers and nuts, potentially increasing…

Nuts and Bolts Manufacturer, China Nuts Fasteners Factory

Product Details: Fastenwell manufactures a comprehensive range of nuts, including hex nuts, hex flange nuts, hex structural nuts, locking nuts, and square nuts. Hex nuts, conforming to DIN 934 and DIN 555 standards, are commonly used with hexagon head bolts and threaded rods. Hex flange nuts, conforming to DIN 6923, have a wide surface area that acts as a washer to prevent the nut from tapping into the material. Nylon locking nuts, conforming to DIN 982 and DIN 985, use a nylon collar to increase friction on the bolt or screw thread. Custom nuts can be provided based on customer drawings or

samples.

Pros:
– Wide range of nut types available, including hex nuts, hex flange nuts, and nylo…
– Conforms to international standards such as DIN 934, DIN 555, DIN 6923, DIN 982,…
– Hex flange nuts have a wide surface area that acts as a washer, reducing the nee…
– Nylon locking nuts provide effective locking against loosening.
– Customization options available based on customer specifications.

Cons:
– No specific information on the durability or lifespan of the nuts provided.
– No details on the environmental resistance or corrosion protection of the nuts.
– Custom orders may require additional time and communication.

Professional High Strength Hex Bolts Manufacturer Supplier

Product Details: Ningbo Teng Qi Fastener Co., Ltd specializes in the production of high strength hex bolts of different standards and specifications. They offer hex bolts made from various materials including carbon steel, alloy steel, and stainless steel. The company complies with multiple dimension standards such as DIN933, DIN931, ISO4014, ISO4017, ASME B18.2.1, and ASME B 18.2.6. Their hex bolts are available in a range of sizes from M1.6 to M100 and come with various surface treatments including plain, black oxidation, zinc-plated, hot-dip galvanized, Dacromet, and Xylan. They cater to heavy-duty applications across various industries and offer competitive prices and short delivery

times[2].

Pros:
– Wide range of materials and surface treatments available
– Compliance with multiple international standards
– High strength and durability suitable for heavy-duty applications
– Competitive prices and short delivery times
– Strong production capacity and advanced manufacturing technology
– Strict quality control and excellent after-sales service

Cons:
– Payment terms require 30% advance payment for mass production
– No specific details on minimum order quantities (MOQ) provided on the page
– Limited information on customization options beyond standard specifications

hex bolt and nut Chinese factory

Product Details: Hex bolts and nuts are available in various sizes, ranging from M6-M60 or 1/4”-2-1/2”, and can be customized. They comply with multiple standards including ISO, DIN, ANSI, ASME, ASTM, BS, AS, and JIS. The materials used include Q235, 35K, 45K, 40Cr, B7, 20MnTiB, A2, and A4 carbon steel, as well as stainless steel. The measurement of hex bolts varies depending on the type: hex bolts are measured from the point where the head sits flat with the surface to the tip of the threads, while flat head screws are measured from the top of the head to the tip of

the threads[1].

Pros:
– High-strength and wear-resistant: The threaded part of the half-threaded hexagon…
– Easy to install and disassemble: Due to their design characteristics, they are r…
– Highly adaptable: They are suitable for a variety of environments and occasions,…
– Good fastening effect: Usually used in conjunction with hexagonal nuts to ensure…
– Material-saving: Since the threaded part does not completely cover the entire bo…

Cons:
– Limited space application: While they save materials, their use might be limited…
– Specific installation requirements: The ease of installation and disassembly can…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Bolt and Nut Manufacturer Factories in China

What types of bolts and nuts do Chinese manufacturers typically produce?

Chinese bolt and nut manufacturers produce a wide range of products, including hex bolts, heavy hex bolts, structural nuts, flange nuts, nylon locking nuts, and more. These products are made from various materials such as carbon steel, alloy steel, and stainless steel, catering to different industries like construction, automotive, and oil & gas.

How do Chinese manufacturers ensure the quality of their bolts and nuts?

Chinese manufacturers like Fastenwell and Ningbo Yi Pian Hong Fastener Co., Ltd. implement strict quality control measures. These include tensile and yield strength tests, spectrograph chemical composition analysis, and Rockwell hardness tests. They also adhere to international standards such as DIN, ASTM, and ISO to ensure their products meet high quality standards.

Can Chinese manufacturers provide customized fastener solutions?

Yes, many Chinese manufacturers offer customized fastener solutions. Companies like Fastenwell and Ningbo Yi Pian Hong Fastener Co., Ltd. can produce bolts and nuts based on your specific drawings or samples. This allows you to get exactly what you need for your particular application.

What is the typical lead time for orders from Chinese bolt and nut manufacturers?

The lead time for orders can vary, but many manufacturers aim to deliver within a short period. For example, Handan Bangyi Fastener Manufacturing Co., Ltd. typically has a lead time of within 15 workdays for both peak and off-peak seasons.

Do Chinese bolt and nut manufacturers have international certifications and compliance?

Yes, many Chinese manufacturers hold international certifications such as ISO 9001:2015, ensuring their products meet global quality standards. This certification, along with compliance to various international standards like ANSI/ASTM, DIN, and ISO, helps build trust with international customers.