A Century of Tubing Excellence
Since 1919, Lock Joint Tube (LJT) has been a trusted name in steel tubing. With production facilities in Indiana, Ohio, Texas, and Tennessee, the company delivers precision-engineered tubing that sets the standard for fencing and mechanical markets.
Wide-Ranging Tubing Options & Custom Solutions
LJT provides one of the most extensive tubing portfolios in the industry. Their offerings span round, square, rectangular, oval, triangular, and hexagonal shapes—backed by over 350 outside diameter options.
Available finishes include HRPO, CRCQ, hot-rolled black, aluminized, and galvanized steel. Proprietary coatings like Lock-On-Galv® and Weather-LOCK enhance corrosion resistance and extend product lifespan.
For unique design challenges, LJT’s in-house metallurgical experts help customers fine-tune material performance, welding consistency, and dimensional tolerances that often surpass industry norms.
Precision Engineering, High-Volume Capability
Every LJT facility is equipped with advanced production tools—laser and saw cutting, specialty shaping, and strict dimensional controls. These capabilities ensure consistent quality while supporting large-scale demand. Plants in Indiana, Tennessee, Ohio, and Texas also enhance fabrication and distribution efficiency across multiple sectors.
Serving Fencing & Beyond
Although LJT is a leader in fence tubing, its reach extends into many industries, including solar, automotive, fitness equipment, automotive, ATV, and office furniture. In fencing, their products support everything from residential and commercial projects.
Built on Expertise & Customer Partnership
For over a century, Lock Joint Tube has combined engineering innovation with close customer collaboration. Their legacy of quality, service, and reliability makes them the go-to provider for high-performance fence tubing and structural steel solutions.
For all of your fencing needs, please contact our Texas facility @ 254-771-2253
