Top 15 Custom Screw Manufacturers of 2025

The 15 most recognized custom screw manufacturers of 2025 are SPAX, American Bolt & Screw, KD Fasteners, American Bolt, US Micro Screw, MW Components, CNRL Auto Parts Co., Screws Industries Inc., California Screw Products, The Federal Group USA, Fastener Technology Corp., Pan American Screw, TIP-TOP Screw Manufacturing, Prince Fastener Manufacturing Co., and American Fastener Technologies Corporation.

According to Fortune Business Insights latest update, the global industrial fastener market was valued at USD 85.83 billion in 2023, and it is expected to rise to USD 89.34 billion in 2024, along with over USD 125.87 billion by 2032. The 15 stated manufacturers are well-known for producing strong, high-quality fasteners that can match these demands. 

Learn more about them below and why they’re known as a leading custom screw manufacturer. 

Top Screw Brands this 2025

1. CNRL Auto Parts Co.: Leading Custom Screw Manufacturer for Automotive

Headquarters: Wenzhou, China

Founded: 1996

One of the most prominent China custom screw manufacturers, earning them the titles of “Technology-based Enterprise,” “China’s Famous Auto Parts Enterprise,” and “National High-Tech Enterprise.” 

Over the 30 years of dedicated service to their customers, they passed multiple strict quality certifications, such as:

• JIS
• DIN
• ISO
• ANSI
• And much more

Furthermore, their custom screws and other fasteners are dependable and can endure heavy duty, demonstrating their competence in developing fastener solutions for automobile and truck parts, including:

• Body parts
• Brake system
• Chassis parts
• Transmission parts

2. SPAX: Innovative Fastener Manufacturer for Construction and Home Improvement 

Headquarters: Bryan, Ohio

Founded: 1967

SPAX is one of the most recognized custom screw manufacturers, and their products are mostly aimed at home renovation and construction projects. 

Furthermore, their SPAX® patented thread technology enables them to create a variety of innovations that set the standard for fastening solutions, such as:

• T-STAR plus drive
• Patented serrations
• Patented multi-head
• Unique 4 Cut™ point
• Advanced corrosion resistance

Their adaptability and creativity allow them to offer a diverse selection of customized and reliable custom screws for both exterior and interior applications. 

3. KD Fasteners: Reliable Custom Made Screw Manufacturer with Extensive Options

Headquarters: Addison, Illinois

Founded:1987

KD Fasteners is a professional custom screw manufacturer that can produce over 100,000 distinct fastener parts and has a wide range of materials, including:

• Steel
• Brass
• Silicon bronze
• Stainless steel
• Any rare materials
• And much more

They may be well-known for their screws, but they also give other reliable items, including different standards, metric, and custom fasteners.

Furthermore, KD provides a variety of other services like custom labeling, packaging, plating, cutting, nylon patching, same-day delivery, and so on, ensuring that their clients’ needs are satisfied with ease and efficacy. 

4. American Bolt: Trusted Fastener Manufacturer with Long Expertise

Headquarters: New Berlin, Wisconsin

Founded:1962

American Bolt is one of the leading custom screw manufacturers that has been in operation for 60 years and provides numerous fastener types like: 

• bolts, nuts, washers, 
• threaded rods & studs, 
• construction fasteners (e.g., anchor bolts)
• Non-threaded fasteners (e.g., rivets)
• And so on

American Bolt values their client relationships, as evidenced by their strategies aimed at maintaining trust and a friendly, caring approach.

They specialize too in providing superior customisable fasteners, and other services for their customers’ convenience, such as vendor-managed inventory.

5. US Micro Screw: Global Small Custom Made Screws Supplier

Headquarters: Northwest Seattle, Washington 

Founded: Unknown

Despite being a relatively small business, US Micro Screw has established itself as an international supplier of small threaded fasteners.

Their extensive range of personalized solutions demonstrates their expertise and dedication, which include:

• Specialized materials (e.g., carbon steel, aluminum, alloy steel)
• ROHS-compliant finish (e.g., zinc, nickel, black oxide)
• Head sizes or thickness (can be as thin as 0.2 mm).
• More custom traits (e.g., applied thread locker, shoulder bolts)
• And so on

As a result, this custom screw manufacturer has their fasteners sold to different industries, from medical devices to optical instruments.

6. MW Components: High-Performance Custom Screw Manufacturer for Diverse Applications

Headquarters: Charlotte, North Carolina

Founded: Unknown

MW Components is a custom screw manufacturer that produces high-performance components, such as fasteners and springs, for a variety of industries.

This is another company that specializes in print-to-part fastener manufacturing since they have access to a wide range of customization choices, including the following:

• Sizes (depends on the type)
• Types (e.g., bolts, bushings, screws)
• Materials (e.g., alloy steel, aluminum, brass)

They also have a strong reputation among their customers for providing excellent service to their clients, particularly when their orders are delivered early.

7. American Bolt & Screw: Premier Fastener Supplier for Commercial Applications

Headquarters: Ontario, California

Founded: 1946

One of the premier suppliers of an extensive range of commercial-grade fasteners, nuts, bolts, staples, screws, hardware, and so on.

This custom screw manufacturer is one of the first companies to use innovative services like the following:

• Kitting
• Data scanning
• Bar-code labeling
• Custom packaging
• Vendor-managed inventory

Moreover, they have also maintained an inventory of roughly $10 million as well as offered custom fastener and hardware solutions to meet the needs of their customers.

8. Screws Industries, Inc.: Supplier with High-quality Custom-Made Screws

Headquarters: Glendale Heights, Illinois

Founded: 1983

Screw Industries began as a well-known small screw and sems (screw and washer assembly) company before expanding into larger components and specialized products.

In addition to their multiple services, like engineering support, their excellent relationships with overseas manufacturers allow them to provide products to their customers more quickly without sacrificing quality.

They additionally provide their customers with both standard and custom options when designing their fastener parts, such as: 

• Sizes -#2 to 58”, standards and customized sizes available
• Materials (e.g., carbon steel, bronze, copper)
• Types/styles: Head, Drive, Points, and Threads

9. California Screw Products: Aerospace Fastener Manufacturer

Headquarters: Paramount, California

Founded:1965

California Screw, or Calscrew, is a renowned aerospace fastener producer with multiple certifications, including ISO 9001 and AS9100.

This custom screw maker specializes in standard and customized products that fulfill the requirements of its customers.

 For example:

• Screws (e.g., stainless steel screws and flat filter screws)
• Bolts (e.g., crown hexagon bolt and shoulder hex bolt)
• Engine Bolts

Aside from being part of the Avantus Group, they have earned a reputation for providing excellent products and fast delivery. 

This causes them to become more trusted suppliers to aerospace companies.

10. The Federal Group USA: Expert Custom Metal Component Supplier

Headquarters: Ferndale, Michigan

Founded: 1980

One of the leading suppliers that specializes in custom metal components, like fasteners, and offers numerous manufacturing processes such as:

• Die casting
• Cold heading
• Metal stamping
• Precision machining
• And so on

They are QMS 9001:2015 certified and focus on effective supply chain management techniques to optimize pricing, quality, and on-time delivery.

This custom screw manufacturer’s engineering experience enables them to serve a wide range of industries, particularly the automobile market. 

11. Fastener Technology Corp.: Cutting-edge Custom Screw Manufacturer

Headquarters: North Hollywood, California

Founded:

Another custom screw manufacturer that is part of “Avantus Aerospace Group” that develops high-strength fasteners for aerospace, military, and commercial applications.

Apart from their many certifications, like ISO9001, their innovations showcase their expertise by providing specialized products to meet their customers’ particular application requirements.

This includes unique fasteners that did not require special installation tools for their clients’ convenience.

12. Pan American Screw LLC: Long-Standing Experience Fastener Manufacturer

Headquarters: Conover, North Carolina

Founded: 1957

Pan American Screw has an impressive 65 years of experience and is first known as Robertson®.

They are a trustworthy screw provider for woodworking, cabinetry, deck building, metal roofing, and windows/doors.

This custom screw manufacturer provides private labeling services and custom screws or fasteners to meet their customers’ preferences while ensuring performance and reliability. 

13. TIP-TOP Screw Manufacturing: Certified Custom Fastener Manufacturer for Construction

Headquarters: Oscoda, Michigan.

Founded: Unknown

A custom screw manufacturer that is a brand of Holcim Solutions and Products US, LLC.

The company employs a strict 16-point quality control process to assure their high-performing quality items, which results in Metro-Dade certification for the majority of their product line.

They have great expertise in providing custom fasteners and construction materials, as well as manufacturing capabilities including:

• E-coating
• Cold-heading
• Thread rolling
• In-house heat-treating
• And so on

14. Prince Fastener Manufacturing Co.: Prominent Custom Fasteners Manufacturer for Diverse Sectors

Headquarters: Shanghai,China

Founded: –

Also a well-known custom screw manufacturer that has engineered numerous customized fasteners for several kinds of industries, like construction, aviation navigation fields, and so on.

They specialize in both non-standard and customized fasteners, as well as being a supplier who prioritizes high-quality products by utilizing innovative manufacturing equipment such as head-making machines. 

They guarantee that their customers’ demands come first by offering a wide choice of customizable products like the following:

• Rivets
• Washers
• Hex nuts
• Nylon nuts
• Self-tapping screws
• Socket shoulder bolts 
• Stainless steel screws 
• And much more

15. American Fastener Technologies Corporation: A Professional Custom Screw Manufacturer for Multiple Industries

Headquarters: Gibsonia, Pennsylvania

Founded: 1983

Also a custom screw maker with over 30 years of expertise, allowing them to provide durable products for various sections. Among them are:

• Aerospace
• Oil & gas
• Transportation
• Military & Defense
• And much more

American fastener technologies also focus on providing tailored solutions across various industries, pushing them to become a major player in the fastener market. 

Furthermore, they have an inventory of more than 100 million fasteners that can quickly fulfill any customer orders, including:

• Metric fasteners
• Marine fasteners
• Custom fasteners
• Construction fasteners
• Stainless steel fasteners

FAQ:

1. What company makes automotive screws?
   • CNRL Auto Parts Co., SPAX, American Bolt & Screw, KD Fasteners, MW Components, Screws Industries, Inc., California Screw Products, The Federal Group USA, Fastener Technology Corp., Pan American Screw, and American Fastener Technologies Corporation are companies that make automotive screws.
2. Who is the largest producer of automotive screws?
   • There are several largest producers of automotive, among them KAMAX, MacLean-Fogg Component Solutions, Pennengineering, Acument Global Technologies, Sundram Fasteners Limited, and so on. CELO Industrial Fasteners
   • However, out of this article list, CNRL Auto Parts Co., SPAX, The Federal Group USA, American Bolt & Screw, and MW Components are some of the largest producers of automotive screws, including custom ones.