Fasteners may seem small, but they play a massive role in keeping industries moving. From automobiles to skyscrapers, fasteners hold the world together—literally. Choosing the proper manufacturer is not just about buying nuts, bolts, and screws. It’s about ensuring durability, precision, and trust.
The U.S. is home to some of the most reliable and innovative fastener companies. These manufacturers don’t just produce hardware; they set industry standards. Below, we highlight the 10 best fastener manufacturers in the U.S., starting with one of the most respected names in the field.
1. The Federal Group USA
The Federal Group USA has been at the forefront of fastener manufacturing for decades. Known for its commitment to innovation and custom engineering, the company provides more than just standard bolts and screws. As a leading custom fastener manufacturer, it offers complete fastening solutions tailored to client needs.
What sets The Federal Group apart is its focus on precision and detail. With ISO-certified facilities and advanced manufacturing processes, the company delivers quality that meets the stringent requirements of industries such as aerospace, automotive, and construction. Their ability to work with a variety of metals and alloys makes them a versatile partner.
The Federal Group isn’t just about making fasteners. It’s about solving complex engineering problems for clients worldwide, which is why it holds the top spot on this list.
2. Fastenal
Fastenal is one of the most recognizable names in the fastener world. Founded in 1967, the company has grown into a nationwide distributor with thousands of locations. What makes Fastenal unique is its mix of manufacturing and distribution. Customers can find standard fasteners on demand while also sourcing custom-made components.
With its strong supply chain network, Fastenal ensures quick delivery, even for large orders. The company also emphasizes on-site support and inventory solutions, helping clients streamline their operations.
3. Stanley Black & Decker (Stanley Engineered Fastening)
Stanley Black & Decker is more than a household name—it’s a global leader in fastening solutions. Through its division, Stanley Engineered Fastening, the company focuses on advanced fastening systems used in industries where failure is not an option.
Automotive, aerospace, and electronics companies rely on Stanley’s high-performance fasteners. Their products encompass a wide range, from threaded inserts to blind rivets, each designed for precision and strength. With a legacy built on reliability, Stanley continues to push the boundaries of fastening technology.
4. ITW Shakeproof (Illinois Tool Works)
Illinois Tool Works, or ITW, operates across multiple industries, and its Shakeproof division is dedicated to fasteners. ITW Shakeproof is known for innovation, particularly in lock washers and specialty fasteners.
The company has a reputation for research and development, consistently introducing solutions that improve performance and reduce costs. Its fasteners are widely used in the automotive and industrial markets, where reliability under stress is essential.
5. Alcoa Fastening Systems (Arconic Fastening Systems)
When it comes to aerospace, Alcoa Fastening Systems—now operating under Arconic—is a name that carries weight. These manufacturers specialize in lightweight, high-strength fasteners critical for aviation and defense.
Airplanes and spacecraft require parts that can withstand extreme stress while minimizing weight. Arconic’s expertise lies in engineering these complex solutions. Their products meet some of the toughest certifications in the industry, making them a trusted supplier for aerospace leaders.
6. Acument Global Technologies
Acument Global Technologies is another key player in the fastener manufacturing industry, particularly in automotive applications. Known for producing mechanical fastening systems at scale, Acument can meet high-volume demands without compromising quality.
The company invests heavily in technology and automation, which allows it to deliver consistent results. Automotive manufacturers rely on Acument for fastening systems that improve safety, reduce weight, and enhance efficiency.
7. Spirol International
Spirol International takes a different approach by focusing on precision components such as shims, spacers, and spring pins. These parts are critical in assemblies that demand exact tolerances.
The company is engineering-driven, working closely with clients to design and manufacture custom solutions. Spirol’s products often go unnoticed, but they provide the reliability and precision that keep machines running smoothly.
8. Penn Engineering (PEM® Fasteners)
Penn Engineering, best known for its PEM® brand, specializes in self-clinching fasteners. These are designed to attach securely to thin materials, such as sheet metal, which makes them indispensable in industries like electronics, medical devices, and industrial equipment.
The company’s global reach and innovation-driven culture have made it a go-to supplier for manufacturers seeking high-performance fasteners for modern applications.
9. MW Industries
MW Industries is a broad supplier of precision components, including springs, fasteners, and other engineered metal products. With multiple divisions across the U.S., MW offers a wide product range and the flexibility of custom manufacturing.
Industries like aerospace, automotive, and medical depend on MW for both standard and specialty components. Their ability to combine large-scale production with custom engineering makes them a versatile choice.
10. TriMas Corporation (TriMas Aerospace)
TriMas Corporation, through its aerospace division, produces critical fasteners used in aircraft and defense applications. Their focus on lightweight, high-strength materials ensures that their products meet strict safety and performance standards.
Innovation is at the heart of TriMas Aerospace. The company continues to expand its product portfolio with fastening solutions designed for the next generation of aerospace engineering.
Conclusion
The fastener industry may not grab headlines, but its impact is everywhere. From skyscrapers to satellites, these manufacturers provide the small yet powerful components that hold our world together.
Whether you’re in aerospace, automotive, construction, or electronics, the right fastener supplier makes all the difference. The companies on this list have proven themselves as leaders, each bringing unique strengths to the table. If you’re looking for reliability, innovation, and quality, these 10 fastener manufacturers represent the best the U.S. has to offer.
