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A LeJeune Bolt Company | 800-USA-BOLT

Combined Method and TNA 144 Bolts Added to RCSC 2020 Edition

The Research Council on Structural Connections (RCSC) has published the 2020 edition of it's Specification for Structural Joints Using High-Strength Bolts.  The newest edition includes a number of significant updates and additions that will impact the way structures are designed and built.  The two most significant changes in relation to the TNA Fastening System [...]

Combined Method and TNA 144 Bolts Added to RCSC 2020 Edition2021-03-25T10:47:04-05:00

Sideplate Plus Approval

LeJeune Bolt Company continues to work with innovative partners to bring the TNA® Fastening System to the broader steel construction market.  One of those partners, SidePlate Systems, recently announced their newest product, SidePlate Plus, has received AISC approval for inclusion in the latest edition of ANSI/AISC 358 " Prequalified Connections for Special and Intermediate [...]

Sideplate Plus Approval2021-04-08T15:51:33-05:00

ASTM F3148 Standard Specification for TNA

ASTM F3148-17a Standard Specification for High Strength Structural Bolt Assemblies, Steel and Alloy Steel, Heat Treated, 144ksi Minimum Tensile Strength, Inch Dimensions. Within the standard you will find all of the information required to specify TNA®.  Included in the standard you will also find important additional information needed to implement the system.  In F3148 you [...]

ASTM F3148 Standard Specification for TNA2023-11-02T15:03:43-05:00

ASTM F3148 Specification Published for TNA®

Beginning September 25th, 2015 ASTM International officially recognized the TNA Fastening System with it's own specification;  ASTM F3148-15 Standard Specification for High Strength Structural Bolt Assemblies, Steel and Alloy Steel, 144ksi Minimum Tensile Strength, Inch Dimensions. For us, this is a pinnacle moment in the development process.  No longer is TNA just a great idea.  [...]

ASTM F3148 Specification Published for TNA®2017-11-30T23:38:54-06:00
TNA® Torque and Angle Fastening System is the latest innovation from LeJeune Bolt Company. TNA® has created the new standard for precision structural bolting against which all other methods will be judged.
©   |   All Rights Reserved. TNA® is registered in U.S.A. Patented.
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