Fastener Manufacturer – OEM Chicago Screw | Wholesale Screws

As a fastener manufacturer with 19 years of experience, we have long focused on the research and mass production of non-standard fasteners and functional screws. We are not a trading company, but a factory that truly controls the entire process from raw materials to finished products. This allows us to provide customers with stable, controllable, and customizable Chicago Screw solutions.
Zeyao is equipped with over 160 professional production machines, covering cold heading, CNC precision machining, tapping, and related post-processing. This allows us to simultaneously meet the production needs of both standard and complex non-standard parts. Leveraging our mature manufacturing system, our monthly output consistently exceeds 10 million pieces, supporting continuous delivery of large-volume orders while maintaining product consistency and process stability.
Over the past 19 years, we have established long-term partnerships with over 3,500 domestic and international clients, serving a wide range of industries including stationery binding, leather hardware, furniture manufacturing, display systems, and industrial support.
Rich Experience
Established in 2006, Huizhou Zeyao Hardware Products Co., Ltd. has accumulated over 18 years of expertise in manufacturing high-quality fasteners.
Quality Control
All our products comply with ROHS standards, and we maintain a stringent quality control system throughout the entire production process to ensure superior product quality.
Customized Services
We offer tailored solutions based on customer requirements, providing customized production according to specific drawings or samples.
Advanced Production Technology
Our production capabilities encompass cold forming, automatic lathing, automatic milling, and CNC machining, enabling us to meet diverse customer needs efficiently.
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Stainless Steel Binding PostThe stainless steel binding post, also known as mother and child locking screws, it's a special fastener made up of a bolt and a nut. When the bolt is screwed into the nut, lock them into place to...view more
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Steel Binding PostThe carbon steel binding post is made of one screw and one nut and is made of mild steel, middle steel, and alloy steel. This construction gives the screws high strength and rigidity, making them...view more
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Brass Binding Post ScrewMaterial: Brassview more
Size: Customized
Manufacturer: Zeyao
Origin: Guangdong, China
MOQ: Negotiable
Customization: OEM/ODM -
Aluminum Binding PostThe aluminum binding post consists of two parts: a male (screw) and a female (nut) component, which work together as a unique fastening system. Commonly used in applications like luggage,...view more
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Binding Barrel NutThe stainless steel binding barrel nut is designed for heavy-duty furniture assembly, stainless steel material protects them against oxidation and chemical damage from acids, alkalis, and other...view more
Specification
|
Specification |
M2.5 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
|
|
B |
4 |
4 |
6 |
8 |
10 |
12 |
15 |
|
|
Dk |
Max |
4.7 |
5.7 |
7.6 |
9.4 |
10.5 |
14 |
17.5 |
|
Min |
4.5 |
5.4 |
7.24 |
9.14 |
10.07 |
13.57 |
17.07 |
|
|
K |
Max |
1.5 |
1.8 |
2.4 |
3 |
3.6 |
4.8 |
5 |
|
Min |
1.36 |
1.66 |
2.26 |
2.86 |
3.3 |
4.5 |
4.7 |
|
|
Ds |
Max |
1.9 |
2 |
2.8 |
3.5 |
4.5 |
5.5 |
7 |
|
Min |
1.8 |
1.86 |
2.66 |
3.32 |
4.32 |
5.32 |
6.78 |
|
Features of Chicago Screw
Versatility
One of the key strengths of the male female chicago screw lies in its versatility. This fastening solution is well-suited for binding a variety of materials, including leather, paper, fabric, and even certain types of plastics. Its adaptability makes it a favorite among artisans, bookbinders, and anyone working on projects that require a secure and durable fastening method.
Construction and Components
The chicago screw typically consists of two main components – a threaded post and a mating screw. The post has a threaded exterior and is often cylindrical, while the screw features a corresponding threaded interior. These components come in various sizes and materials, allowing users to choose the right combination for their specific needs.
Ease of Use
One of the standout features of the chicago screw is its ease of use. Unlike traditional screws that require a screwdriver, the chicago screw can be tightened or loosened by hand. This tool-free operation not only speeds up the assembly process but also makes it more accessible for individuals who may not have a complete set of tools.
Reusability
The chicago screw's design allows for easy disassembly and reassembly, making it a reusable fastening solution. This feature is particularly valuable in projects where adjustments or alterations may be necessary. It also facilitates repairs and maintenance, as components can be replaced without causing damage to the connected materials.
Applications of Chicago Screw

Leatherworking
Craftsmen often use chicago screws in leather projects such as belts, wallets, and saddlery. The screws provide a secure and aesthetically pleasing way to join leather pieces.

Bookbinding
Bookbinders appreciate the chicago screw for its ability to hold together pages and covers with precision. This fastening method allows for easy page removal or replacement.

Art and Design
Artists and designers use chicago screws in projects ranging from portfolios and presentation folders to mixed media artwork. The screws add an industrial and customizable element to the finished piece.

Prototyping
In engineering and product design, the chicago screw is a valuable tool for assembling prototypes and mock-ups. Its reusability and ease of adjustment make it ideal for experimenting with different configurations.
Installation Steps of Chicago Screws
Step one
Get the right tools. You will need a hole punch, chicago screw, chicago screw tool, flat head screw driver and Loctite glue (optional). We have a few style and size options, post sizes as small as 3/16” and as large as 5/8”. The styles include open hole, flat head, and domed.
Step two
Cut a hole in the material. Cut a hole in your material, use your Chicago screw and feed through the hole. The screw post might look too small, but that is normal. You don’t want the post to be too long because then it will be loose. Use the Chicago screw tool to hold the screw in place, use a flat head screw driver to tighten the fastener. If you are going to make the Chicago screws permanent, use a bit of Loctite glue to hold in place.
Ordering Process
Drawings or Samples
We get the drawings or samples from customers.
Drawings Confirmation
We will draw the drawings according to the customers' 2D drawings or samples,and send the drawings to customers for confirmation.
Quotation
We will quote after getting the customers' confirmation,or quote directly according to customers' drawings.
Making Moulds/Patterns
We will make moulds or pattens after getting the mold orders from the customers.
Making Samples
We will make real samples using the moulds and send to customers for confirmation.
Mass Producing
We will produce the products after getting the customers' confirmation and orders.
Inspection
We will inspect the products by our inspectors or ask the customers to inspect together with us when finished.
Shipment
We will ship the goods to the customers after getting the inspection result ok and the customers' confirmation.
Packaging and Shipping
|
Packaging |
Plastic bag + outer carton + pallets |
|
Shipping |
We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc. |
Our Service
Our team will follow your project requirements and make an expert suggestion to make sure you get exactly what you need. We also offer detailed product information and samples so you can feel confident in your decision. And if you're unsure about anything, don't hesitate to reach out-we're happy to answer your questions.
During producing, we keep you updated on your order status, ensuring timely delivery. We're committed to making sure everything goes as planned and that you're satisfied with your purchase experience.
Our service doesn't stop after you receive your fasteners. If you run into any issues or have questions about how to use the products, we're available to help. Our goal is to ensure that you're completely satisfied with both the products and the service we provide.
Our Certificate

FAQ
We're professional chicago screw manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized chicago screw made in China here from our factory.
Steel Binding Post, Stainless Steel Binding Post, Brass Binding Post Screw
