About us

Structural bolts and tools. Our ASTM F3148 TNA system delivers consistent tension and single-sided installation.

LeJeune Bolt Company — Where Steel Meets Certainty.

Celebrating 50 years of serving the steel industry, LeJeune Bolt Company provides structural fasteners, installation tools, and technical support for engineers, fabricators, erectors, and bridge builders.

Visit our booth to explore the ASTM F3148 TNA Fastening System, designed to deliver consistent final bolt tension and efficient, single-sided installation. Learn how choosing the right bolting system can help reduce installation time, control project costs, and keep your crews moving.

Our support extends from design discussions and hands-on training to tool sales, rentals, repairs, and jobsite assistance.

Bring your next project—or your toughest bolting question. Let’s talk about a better way to bolt.