Chicago Nut & Bolt

At Chicago Nut & Bolt, we specialize in manufacturing high-quality cold headed parts tailored to meet the most demanding industrial specifications. With decades of experience in fastener production, we have built a reputation for delivering precision-engineered components that perform reliably in critical applications. Our team takes pride in working closely with clients to design and produce custom bolts, nuts, and specialty fasteners using advanced cold forming techniques that enhance material integrity and reduce waste. We operate a state-of-the-art facility equipped with multi-die headers and secondary processing capabilities, allowing us to handle both short runs and large-volume orders with efficiency and consistency. Our engineering and quality control teams ensure that every part meets exacting standards for dimensional accuracy, mechanical strength, and surface finish. By combining in-house tooling, heat treating, plating, and testing, we’re able to provide complete fastener solutions from concept through production. We serve a wide range of industries—including construction, heavy equipment, energy, and transportation—and understand the importance of responsive service, technical expertise, and on-time delivery. Through our commitment to continuous improvement and customer satisfaction, we remain a trusted partner for companies that depend on dependable cold headed parts.