AASHTO LRFD Bridge Design Specification AASHTO Steel Bridge Fabrication Specification No other fastening system or method can match the efficient, patented TNA® Torque+Angle Fastening System for producing the highest level of accuracy and reliability in both the snug and final tensioning processes. Industry Approved. AREMA Manual for Railway Engineering
RCSC 2020 Combined Method of Installation ASTM F3148-17A Specification ANSI/AISC 358 Specification for Seismic Applications AISC 360-22 Specification for Structural Steel Buildings
Specify TNA with confidence on your next project!
BOLT SMARTER: Find Out More

TNA®: Industry Approved.

No other fastening system or method can match the patented TNA® Torque+Angle Fastening System for producing the highest level of accuracy and reliability in both the snug and final tensioning processes.

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The Bolting Leader

LeJeune’s reputation as the premiere supplier of structural bolts has been earned through our attention to detail before, during, and after the sale.

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The Bolting Leader

LeJeune’s reputation as the premiere supplier of structural bolts has been earned through our attention to detail before, during, and after the sale.

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The Most Tools in the Business

LeJeune is the largest supplier of TONE installation tools in North America.

The Most Tools in the Business

LeJeune is the largest supplier of TONE installation tools in North America.

Tool Sales, Rental and Repair

LeJeune offers the most complete and comprehensive rental and repair services in the industry.
New and rental tools are available from our online store.

Tool Sales, Rental and Repair

LeJeune offers the most complete and comprehensive rental and repair services in the industry. New and rental tools are available from our online store.

Big, Big Service

Unmatched in the industry.

On-Time Delivery

Ever waited for a shipment to show up? Not when LeJeune is on the job.

Need it Overnight? Sure.

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Expert Advice

Our knowledge base runs deep, right along with our experience.

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Overnight Tools

Tools for purchase or rental, plus a complete one-stop repair shop

WE'VE GOT YOU COVERED.

Reference Library

Schematics, instruction manuals and need to know information in one convenient location

Tool and bolt reference

NEED TO KNOW

TnA 144 Fastening System

The first integrated system utilizing a single fastener and tool for perfect installations.

Precision Bolting Made Simple

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Online Representatives

Need immediate help? We're online ready to share our expertise.

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ONLINE HELP

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