Top 10 OEM Fastener Suppliers 2026

If you build vehicles, machinery, or industrial equipment, you know how often small parts create big problems. A loose joint, a corroded bolt, or a missing clip can stop a line and damage customer trust.

That’s why the choice of fastening partner is more than a purchasing decision. The right OEM fastener supplier helps you specify the correct OEM fasteners, validate performance, and keep every plant stocked without tying up excess cash in inventory.

This 2026 guide gives purchasing and engineering teams a clear view of ten leading OEM fastener suppliers. Each profile highlights the company, core region, certifications, and product strengths so you can quickly see who belongs on your shortlist.

You’ll also find a simple checklist for comparing quotes, stabilising long-term supply, and requesting a clear OEM fastener pricelist before you commit to a programme.

Why OEM fasteners are a strategic choice 

OEM fasteners sit at the heart of safety, reliability, and lifetime cost. The partner you choose has a direct impact on:

• Line uptime and changeovers
• Warranty and recall risk
• Inventory levels and cash flow
• Compliance with OEM and industry standards

A strong supplier behaves like an extension of your team, helping you choose materials and coatings, supporting testing and PPAP, and keeping the right OEM fasteners flowing to each plant.

How we selected these OEM suppliers 

The ten companies below were chosen because they. As OEM fastener suppliers, they:

• Have a proven history serving OEMs and Tier-1s
• Offer recognised quality systems and in-house testing
• Maintain regional or global logistics networks
• Provide a mix of catalogue and custom OEM fastener products and application-specific fasteners
• Support long-term programmes, not just one-off orders

Use this list as a starting point, then layer on your own technical, regional, and commercial criteria.

Top 10 OEM fastener suppliers for 2026 

1. CNRL Fasteners – Integrated automotive manufacturer 

• Company: Zhejiang Ruili (CNRL) Auto Parts Co., Ltd.
• Region: Wenzhou, Zhejiang, China (supplying Asia, Europe, and the Americas)
• Certification: ISO/TS16949 automotive quality system
• Products: Engine, chassis, body, brake, and transmission bolts, nuts, studs, washers, and stamped parts

CNRL runs a modern 33,000㎡ facility with cold heading, machining, heat treatment, and surface treatment under one roof. That integrated footprint makes it a dependable source of OEM fasteners for high-volume, safety-critical vehicle platforms. You can also explore typical geometries and coatings in their wider range of fastener products to see how their fasteners align with your drawings. For a quick overview of fastener styles, review thefastener product range here.

2. Würth Industry – Global C-parts specialist 

• Company: Würth Industry Group
• Region: Europe, North America, and Asia
• Certification: ISO-based quality and logistics systems
• Products: Standard and special fasteners, C-parts, VMI, and kitting

Würth is a strong fit when your main challenge is keeping thousands of SKUs flowing to multiple plants. Their bin systems, IT integration, and C-parts programmes help you keep OEM fasteners moving while cutting line-side stockouts and smoothing deliveries.

3. Bossard – Engineering-driven fastening partner 

• Company: Bossard Group
• Region: Europe, North America, and Asia-Pacific
• Certification: OEM-grade quality and testing
• Products: Standard and special fasteners, fastening engineering, and smart bins

Bossard focuses on productivity. Instead of only quoting drawings, they review joints, propose value-engineered fastening options, and help reduce SKU count useful when you’re redesigning assemblies, updating hardware for new materials, or launching new platforms that rely on OEM fasteners.

4. Nifco – Leader in clips and plastic fasteners

• Company: Nifco Inc.
• Region: Japan-based, with plants in Asia, Europe, and the Americas
• Certification: Automotive quality systems
• Products: Plastic clips, interior and exterior trim fasteners, cable and hose management components

Nifco is known for lightweight plastic fastening parts used throughout interiors, exteriors, and engine bays. Their OEM clips and fasteners help OEMs cut weight, simplify assembly steps, and improve corrosion resistance, working alongside metal fasteners in the same vehicle.

5. ARaymond – Systems for automotive and mobility OEMs 

• Company: ARaymond Network
• Region: Global footprint close to major OEMs
• Certification: Automotive OEM and Tier-1 approvals
• Products: Fastening systems, quick connectors, fluid line components, and assemblies

ARaymond supplies complete fastening and connection systems. They’re a logical partner for EV, ADAS, and modern chassis projects where the whole family of OEM fasteners and connectors needs to work together from the start.

6. Stanley Engineered Fastening – High-performance systems

• Company: Stanley Engineered Fastening
• Region: North America and Europe
• Certification: Automotive, aerospace, and industrial approvals
• Products: Structural fasteners, blind rivets, plastic components, and installation tools

Stanley is a good option when you need both fasteners and installation tooling. Typical applications include high-volume rivet lines, structural joints in EV battery packs, and vibration-resistant joints in off-highway equipment that rely on performance-critical OEM fasteners.

7. Böllhoff – Special fasteners and thread inserts

• Company: Böllhoff Group
• Region: Europe, Asia, and the Americas
• Certification: OEM-grade laboratories and testing
• Products: Thread inserts, blind rivet nuts, decoupling elements, and custom parts

Böllhoff shines where standard bolts don’t work thin materials, composites, and light alloys. Their specialised systems help solve stripped threads, tricky access, and NVH issues that often appear late in development, making them a valuable partner when you need non-standard fastening solutions.

8. Fontana Gruppo – Structural fasteners for vehicles 

• Company: Fontana Gruppo
• Region: Italian headquarters with global operations
• Certification: Global OEM and Tier-1 compliance
• Products: High-strength bolts, nuts, and assemblies for cars, trucks, and industrial vehicles

Fontana is a natural choice when you need durable OEM supply fasteners for heavy-duty commercial vehicle platforms and long service life in demanding conditions. Their focus on structural applications means your most critical OEM fasteners get the attention they deserve.

9. LISI Automotive – Multi-specialist automotive group 

• Company: LISI Automotive
• Region: Europe, Asia, and North America
• Certification: Automotive OEM and Tier-1 approvals
• Products: Threaded fasteners, clipped solutions, safety parts, and mechanical components

LISI focuses on vehicles of tomorrow, including EVs and ADAS platforms. They work with OEM engineering teams from early concept through SOP, turning ideas into validated, production-ready OEM fasteners and mechanical systems.

10. AIS – Inventory-focused North American supplier 

• Company: All Integrated Solutions (AIS)
• Region: North American focus
• Certification: OEM-oriented quality and traceability
• Products: Standard and special fasteners, fittings, VMI, and kitting

AIS emphasises integrated supply and local service. If your priority is stabilising deliveries to regional plants and reducing internal handling, their kitting and VMI programmes are a useful benchmark for stocking the right OEM fasteners in the right place at the right time.

How to compare options effectively 

When you talk with potential partners, use the same checklist for each quote so you can compare OEM fasteners on more than just price.

Technical and quality

• Material grades, coatings, and corrosion performance
• Testing capabilities (torque-tension, fatigue, salt spray, etc.)
• Relevant ISO / IATF certifications and OEM approvals

Supply chain and service

• Lead times and safety-stock strategy
• VMI, kitting, or line-side delivery options for a stable OEM fastener supply
• Ability to support multiple plants and regions

Commercial

• Clear, itemised OEM fastener pricelist for your key part numbers
• Flexibility on MOQ, packaging, and labelling
• Willingness to suggest cost-down OEM fastener solutions instead of only quoting your drawings

Conclusion

Fasteners may be small, but OEM fasteners have a big impact on launches, uptime, and lifetime cost. CNRL brings an integrated manufacturing base, ISO/TS16949 certification, and a wide portfolio from one modern site. Other global OEM fastener suppliers, such as Würth, Bossard, Nifco, ARaymond, Stanley, Böllhoff, Fontana, LISI, and AIS, add strengths in logistics, engineering, and regional service.

Next steps:

• Map your most critical joints, platforms, and regions
• Shortlist partners whose capabilities match those needs
• Request drawings, samples, and an OEM fastener pricelist before locking in long-term programmes

With the right mix of partners and OEM fasteners in place, your fastening strategy becomes a quiet advantage, not a daily headache.

Key takeaways 

• Fasteners are strategic: your choice of OEM fasteners affects uptime, quality, and total cost, not just unit price.
• Think in entities: compare each supplier’s company, regional presence, certifications, and product focus, not just name recognition.
• Look for partnership: vendors who co-develop joints and support logistics will create more value over the life of your programme than those who simply ship boxes of OEM fasteners.

FAQs 

Q1: What is an OEM fastener? 

A1: An OEM fastener is a bolt, screw, nut, clip, or similar part designed to match an original equipment manufacturer’s exact drawing, material, and performance requirements.

Q2: What should I look for in an OEM fastener supplier? 

A2: Look for proven OEM experience, relevant ISO/IATF certifications, in-house testing, strong documentation (PPAP, IMDS), and clear communication on lead times and stock strategy.

Q3: How are OEM fastener products different from standard hardware? 

A3: OEM fastener products are engineered for a specific application, with defined strength, coating, and tolerance, plus traceability and documentation that generic hardware usually doesn’t provide.

Q4: Can one supplier handle my global fastener supply? 

A4: Some large groups can, but many OEMs use a mix of global partners and regional specialists to balance risk, cost, and responsiveness.

Q5: How do I request a quote or price list for OEM fastener products? 

A5: Send drawings or specs, annual usage, delivery locations, and any testing or documentation needs, and ask for itemised pricing, lead times, and suggested alternatives.