CNXD, LISI Automotive, Araymond, KAMAX Holding, MacLean-Fogg, PennEngineering, Sundram Fasteners, Agrati Group, TR Fastenings, and Aoyama Seisakusho are among the best ten global automotive fastener manufacturers.
Fortune Business Insights 2025 reports that the EV demand will drive the international automotive fasteners market from USD 24.08 billion in 2024 to USD 37.11 billion in 2032.
As a manufacturer of automotive components engaged in OEM fastener manufacturing, we understand how important fastener quality is to vehicle performance and safety.
Keep reading to learn about these key manufacturers who are setting performance standards for quality traceability, batch control, and consistent fastener heat treatment.
| No. | Company Name | Founded Year | Headquarters’ Location |
| 1 | CNXD | 1996 | Wenzhou, China |
| 2 | LISI Automotive | 1777 | Grandvillars, France |
| 3 | Araymond | 1865 | Grenoble, France |
| 4 | KAMAX Holding | 1935 | Homberg, Germany |
| 5 | MacLean-Fogg | 1925 | Illinois, United States |
| 6 | PennEngineering | 1942 | Pennsylvania, United States |
| 7 | Sundram Fasteners | 1966 | Chennai, India |
| 8 | Agrati Group | 1939 | Veduggio Con Colzano, Italy |
| 9 | TR Fastenings | 1973 | Walsall, United Kingdom |
| 10 | Aoyama Seisakusho | 1950 | Niwa-gun, Japan |
1. CNXD: Prominent OEM China Automotive Fastener Manufacturers
Founded Year: 1996
Headquarters Location: Wenzhou, China
Main Products: bolts, nuts, washers, circlips, CNC parts, keys, and automotive after-sales fasteners
CNXD delivers more than 20 million bolts per year to international markets, including Germany and the United States.
Our high-grade precision engineering is supported by thorough quality control, as demonstrated by certifications, including ISO 14001 and IATF 16949, while ensuring consistent lead times.
We maintain traceability and partner trust by offering 30,000 distinct types of fasteners for various vehicle models, supported by documentation including PPAP Level III and FMEA.
So, our commitment to quality lets us partner with key OEMs such as Daimler and Eaton.
2. LISI Automotive: Traceable OEM Automotive Bolts and Nuts Suppliers
Founded Year: 1777
Headquarters Location: Grandvillars, France
Main products: Threaded fasteners, clipped solutions, and safety mechanical components
It is part of the Lisi Group, which specializes in the design and manufacture of quick-fastening automotive products and other vehicle safety components.
Lisi Automotive has full partner traceability, strict inventory controls, and a requirement to announce facility maintenance that affects vital resources such as heat treatment, at least six months in advance.
3. Araymond: Automotive Bolts and Nuts Suppliers in France
Founded Year: 1865
Headquarters Location: Grenoble, France
Main Products: Electrical & High Voltage Management Components (e.g., Cable Strain Relief), Fluid Handling & Quick Connectors, Cleaning Systems (Windshield & ADAS), Panel & Trim Fasteners, Body & Closure Components (e.g., Push Rivets and Bumpers), Busbar Components, Sensors & Thermal Management Products (e.g., Temperature Sensors)
They are a manufacturer for fastening and assembly goods, with over 600 inventions, including their expansion nuts and plastic push-in nuts.
The company manages every stage of metal processing, such as heat treatment, at its own facilities.
Furthermore, their quality control is assisted by traceability requirements that link final products with precise raw material batch numbers.
4. KAMAX Holding: Custom Bolt Manufacturers With Zero-Error Reliability
Founded Year: 1935
Headquarters Location: Homberg, Germany
Main Products: Ball Studs & Ball Head Components, High-Performance Bolts, Specialized Fasteners (Studs, Pins & Eccentrics), Pre-Assembled Solutions
They are one of the fastener manufacturers that specialize in high-strength fasteners and cold-forged components.
KAMAX Holding aims for ‘zero error’ objectives through a system of quality control that uses systematic cause analysis to achieve an identifiable decrease in error potential.
This technical consistency is supported by their specialized heat treatment and straightening processes.
Furthermore, transparency is maintained through a collaborative approach with suppliers, with a focus on the continual improvement of common processes to meet stated customer expectations.
5. MacLean-Fogg: Sustainable Modern Solutions and Auto Bolts and Nuts Supplier
Founded Year: 1925
Headquarters Location: Illinois, United States
Main Products: Heavy Duty & Branded Fasteners (e.g., Hot Forged Large Industrial Nuts), Engineered Metal Components (e.g., Cam Lobes, Sensor Linkages, Fluid Plugs), Engineered Plastic Products (e.g., Plastic Bearings)
An automobile fastener supplier that offers engineered components to OEMs, such as their Decorex, while adhering to quality, performance, and sustainability in their processes.
They also guarantee that their products have fewer defects by practicing constant in-house heat fastener treatment.
Moreover, they ensure production traceability and documented quality assurance via batch-related classification for individual parts.
6. PennEngineering: Quality Threaded Inserts and Automotive Fastener Suppliers
Founded Year: 1942
Headquarters Location: Pennsylvania, United States
Main Products: Standoffs, Nuts, Studs & Pins, Captivated Screws, Threaded Inserts, Specialty Fasteners, Self Clinching.
Penn Engineering delivers fastening and wire protection, and they also own several companies that specialize in various products, like Heyco and Sherex.
Like other manufacturers in the list, they promote traceability and documented batch quality control, which includes rigorous monitoring at every stage of heat treatment to assure consistent product performance.
7. Sundram Fasteners: High-Strength Automotive Bolts and Fasteners Manufacturer
Founded Year: 1966
Headquarters Location: Chennai, India
Main Products: Hot forged and cold extruded assemblies, powder metallurgy and special materials (e.g., plain iron), fluid management and cooling parts, engine and powertrain internals, transmission components, fasteners (precision threaded and high strength)
A vehicle fastener manufacturer that provides products for both OEM and aftermarket customers in different countries, like Germany and the United Kingdom.
They guarantee strict batch management, heat treatment consistency, and traceability through suppliers’ relevant inspection reports, and ensure that no heat treatment batch numbers are mixed up.
8. Agrati Group: ESG-Focused Automotive Fastener Suppliers
Founded Year: 1939
Headquarters Location: Veduggio Con Colzano, Italy
Main Products: bolts, nuts, engineered & complex components (including for automotive), and screws for metal, sheet metal, and plastic joints
Agrati provides many kinds of fastening solutions, including fasteners of various sizes and geometries, and have manufacturing sites in 12 nations, such as Japan.
Agrati supports development by ensuring rapid production while sticking to batch management and product traceability via the lens of sustainability and ESG (environmental, social, and governance).
Furthermore, they used their scientific expertise, which included metallurgy, heat treatment, lab and on-field testing, and much more, to help their production process in ensuring they met efficiency requirements.
9. TR Fastenings :Full-Service Provider of Automotive Bolts and Fasteners
Founded Year: 1973
Headquarters Location: Walsall, United Kingdom
Main Products: Threaded Fasteners (Bolts & Screws), Nuts & Internal Threaded Hardware, Washers, Seals & Retaining Rings, Fasteners for Sheet Metal, Fasteners for Plastic, Plastic & Electronic Hardware, Enclosure & Cabinet Hardware, Tooling & Industrial Supplies
Tr Fastenings is a member of the Trifast plc group that specializes in the development and supply of innovative fasteners and other C-Class components such as gaskets.
They’re an automobile fastener manufacturer committed to custom packaging with batch controls, particularly for customers who demand it for robotic assembly.
They also place an emphasis on traceability and careful heat treatment for all of their high-tensile/hardened fasteners to reduce embrittlement.
10. Aoyama Seisakusho: Innovative Auto Bolts and Nuts Suppliers
Founded Year: 1950
Headquarters Location: Niwa-gun, Japan
Main Products: Bolt (Externally Threaded / Heavy Duty), Nuts, Plastic / Plastic-Inserted Metal Fasteners, Screws & Tapping Fasteners, Precision Cold-Formed Parts, Function Parts, Clinching Items, Collar
A Vehicle fastener supplier that applies its understanding of automotive and fastener technology to offer products that meet changing industry requirements, such as the electrification of vehicles.
They also ensured quality assurance by checking every box of products in their electronically managed warehouse, as well as computerized heat treatment for consistency.
They have multiple international certifications that demonstrate their adherence to traceability, including IATF 16949.
Conclusion
The top ten automotive fastener manufacturers are CNXD, LISI Automotive, Araymond, KAMAX Holding, MacLean-Fogg, PennEngineering, Sundram Fasteners, Agrati Group, TR Fastenings, and Aoyama Seisakusho.
These companies have global reach due to their broad technological expertise, devotion to quality, and disciplined delivery performance in meeting the changing demands of the modern vehicle industry.
As a result, these manufacturers stand out not just for their innovations and product scale but also for their strict adherence to industry standards.
Contact CNXD for more inquiries or work with our team to benefit from our extensive product line, consistent lead times, and strict quality controls to fulfill your exact fastening requirements.
